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< a href = "kernels_2scan_8h.html" > Go to the documentation of this file.< / a > < div class = "fragment" > < div class = "line" > < a id = "l00001" name = "l00001" > < / a > < span class = "lineno" > 1< / span > < span class = "comment" > // Copyright © 2023-2024 Apple Inc.< / span > < / div >
< div class = "line" > < a id = "l00002" name = "l00002" > < / a > < span class = "lineno" > 2< / span > < / div >
< div class = "line" > < a id = "l00003" name = "l00003" > < / a > < span class = "lineno" > 3< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U> < / div >
< div class = "foldopen" id = "foldopen00004" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00004" name = "l00004" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_sum.html" > 4< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "struct_cum_sum.html" > CumSum< / a > {< / div >
< div class = "line" > < a id = "l00005" name = "l00005" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_sum.html#a987f7a15eded60081b74abc103d3054b" > 5< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > constant U < a class = "code hl_variable" href = "struct_cum_sum.html#a987f7a15eded60081b74abc103d3054b" > init< / a > = < span class = "keyword" > static_cast< < / span > U< span class = "keyword" > > < / span > (0);< / div >
< div class = "line" > < a id = "l00006" name = "l00006" > < / a > < span class = "lineno" > 6< / span > < / div >
< div class = "line" > < a id = "l00007" name = "l00007" > < / a > < span class = "lineno" > 7< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "foldopen" id = "foldopen00008" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00008" name = "l00008" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_sum.html#aacc713dde086ef04b54abb675131468e" > 8< / a > < / span > U < a class = "code hl_function" href = "struct_cum_sum.html#aacc713dde086ef04b54abb675131468e" > operator()< / a > (U a, T b) {< / div >
< div class = "line" > < a id = "l00009" name = "l00009" > < / a > < span class = "lineno" > 9< / span > < span class = "keywordflow" > return< / span > a + b;< / div >
< div class = "line" > < a id = "l00010" name = "l00010" > < / a > < span class = "lineno" > 10< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00011" name = "l00011" > < / a > < span class = "lineno" > 11< / span > < / div >
< div class = "foldopen" id = "foldopen00012" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00012" name = "l00012" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_sum.html#a83342af06f6a700067e3b451636852d6" > 12< / a > < / span > U < a class = "code hl_function" href = "struct_cum_sum.html#a83342af06f6a700067e3b451636852d6" > simd_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00013" name = "l00013" > < / a > < span class = "lineno" > 13< / span > < span class = "keywordflow" > return< / span > simd_prefix_inclusive_sum(x);< / div >
< div class = "line" > < a id = "l00014" name = "l00014" > < / a > < span class = "lineno" > 14< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00015" name = "l00015" > < / a > < span class = "lineno" > 15< / span > < / div >
< div class = "foldopen" id = "foldopen00016" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00016" name = "l00016" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_sum.html#a64d1933942de4df2d44dd90e9e5e4460" > 16< / a > < / span > U < a class = "code hl_function" href = "struct_cum_sum.html#a64d1933942de4df2d44dd90e9e5e4460" > simd_exclusive_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00017" name = "l00017" > < / a > < span class = "lineno" > 17< / span > < span class = "keywordflow" > return< / span > simd_prefix_exclusive_sum(x);< / div >
< div class = "line" > < a id = "l00018" name = "l00018" > < / a > < span class = "lineno" > 18< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00019" name = "l00019" > < / a > < span class = "lineno" > 19< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00020" name = "l00020" > < / a > < span class = "lineno" > 20< / span > < / div >
< div class = "line" > < a id = "l00021" name = "l00021" > < / a > < span class = "lineno" > 21< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U> < / div >
< div class = "foldopen" id = "foldopen00022" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00022" name = "l00022" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod.html" > 22< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "struct_cum_prod.html" > CumProd< / a > {< / div >
< div class = "line" > < a id = "l00023" name = "l00023" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod.html#acf2ae2daa84d477b413deea679cab9e5" > 23< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > constant U < a class = "code hl_variable" href = "struct_cum_prod.html#acf2ae2daa84d477b413deea679cab9e5" > init< / a > = < span class = "keyword" > static_cast< < / span > U< span class = "keyword" > > < / span > (1.0f);< / div >
< div class = "line" > < a id = "l00024" name = "l00024" > < / a > < span class = "lineno" > 24< / span > < / div >
< div class = "line" > < a id = "l00025" name = "l00025" > < / a > < span class = "lineno" > 25< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "foldopen" id = "foldopen00026" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00026" name = "l00026" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod.html#af1ffa2672332ca27e287c3ba59c73e1e" > 26< / a > < / span > U < a class = "code hl_function" href = "struct_cum_prod.html#af1ffa2672332ca27e287c3ba59c73e1e" > operator()< / a > (U a, T b) {< / div >
< div class = "line" > < a id = "l00027" name = "l00027" > < / a > < span class = "lineno" > 27< / span > < span class = "keywordflow" > return< / span > a * b;< / div >
< div class = "line" > < a id = "l00028" name = "l00028" > < / a > < span class = "lineno" > 28< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00029" name = "l00029" > < / a > < span class = "lineno" > 29< / span > < / div >
< div class = "foldopen" id = "foldopen00030" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00030" name = "l00030" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod.html#a860dbf6146de088d07175bd165b74004" > 30< / a > < / span > U < a class = "code hl_function" href = "struct_cum_prod.html#a860dbf6146de088d07175bd165b74004" > simd_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00031" name = "l00031" > < / a > < span class = "lineno" > 31< / span > < span class = "keywordflow" > return< / span > simd_prefix_inclusive_product(x);< / div >
< div class = "line" > < a id = "l00032" name = "l00032" > < / a > < span class = "lineno" > 32< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00033" name = "l00033" > < / a > < span class = "lineno" > 33< / span > < / div >
< div class = "foldopen" id = "foldopen00034" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00034" name = "l00034" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod.html#a5b0577295853a48856b84fd4f935dff8" > 34< / a > < / span > U < a class = "code hl_function" href = "struct_cum_prod.html#a5b0577295853a48856b84fd4f935dff8" > simd_exclusive_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00035" name = "l00035" > < / a > < span class = "lineno" > 35< / span > < span class = "keywordflow" > return< / span > simd_prefix_exclusive_product(x);< / div >
< div class = "line" > < a id = "l00036" name = "l00036" > < / a > < span class = "lineno" > 36< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00037" name = "l00037" > < / a > < span class = "lineno" > 37< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00038" name = "l00038" > < / a > < span class = "lineno" > 38< / span > < / div >
< div class = "line" > < a id = "l00039" name = "l00039" > < / a > < span class = "lineno" > 39< / span > < span class = "keyword" > template< / span > < > < / div >
< div class = "foldopen" id = "foldopen00040" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00040" name = "l00040" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod_3_01bool_01_4.html" > 40< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "struct_cum_prod.html" > CumProd< / a > < bool> {< / div >
< div class = "line" > < a id = "l00041" name = "l00041" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod_3_01bool_01_4.html#ae7a8b0ba9e6898356b87b18766e76d2c" > 41< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > constant < span class = "keywordtype" > bool< / span > < a class = "code hl_variable" href = "struct_cum_prod.html#acf2ae2daa84d477b413deea679cab9e5" > init< / a > = < span class = "keyword" > true< / span > ;< / div >
< div class = "line" > < a id = "l00042" name = "l00042" > < / a > < span class = "lineno" > 42< / span > < / div >
< div class = "line" > < a id = "l00043" name = "l00043" > < / a > < span class = "lineno" > 43< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "foldopen" id = "foldopen00044" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00044" name = "l00044" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod_3_01bool_01_4.html#ad634be0b139d10ce6d21332eef0d936b" > 44< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "struct_cum_prod_3_01bool_01_4.html#ad634be0b139d10ce6d21332eef0d936b" > operator()< / a > (< span class = "keywordtype" > bool< / span > a, T b) {< / div >
< div class = "line" > < a id = "l00045" name = "l00045" > < / a > < span class = "lineno" > 45< / span > < span class = "keywordflow" > return< / span > a & < span class = "keyword" > static_cast< < / span > < span class = "keywordtype" > bool< / span > < span class = "keyword" > > < / span > (b);< / div >
< div class = "line" > < a id = "l00046" name = "l00046" > < / a > < span class = "lineno" > 46< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00047" name = "l00047" > < / a > < span class = "lineno" > 47< / span > < / div >
< div class = "foldopen" id = "foldopen00048" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00048" name = "l00048" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod_3_01bool_01_4.html#abeb5ec4237b330e7219f4e881cf10d7a" > 48< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "struct_cum_prod_3_01bool_01_4.html#abeb5ec4237b330e7219f4e881cf10d7a" > simd_scan< / a > (< span class = "keywordtype" > bool< / span > x) {< / div >
< div class = "line" > < a id = "l00049" name = "l00049" > < / a > < span class = "lineno" > 49< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < = 16; i *= 2) {< / div >
< div class = "line" > < a id = "l00050" name = "l00050" > < / a > < span class = "lineno" > 50< / span > < span class = "keywordtype" > bool< / span > other = simd_shuffle_up(x, i);< / div >
< div class = "line" > < a id = "l00051" name = "l00051" > < / a > < span class = "lineno" > 51< / span > x & = other;< / div >
< div class = "line" > < a id = "l00052" name = "l00052" > < / a > < span class = "lineno" > 52< / span > }< / div >
< div class = "line" > < a id = "l00053" name = "l00053" > < / a > < span class = "lineno" > 53< / span > < span class = "keywordflow" > return< / span > x;< / div >
< div class = "line" > < a id = "l00054" name = "l00054" > < / a > < span class = "lineno" > 54< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00055" name = "l00055" > < / a > < span class = "lineno" > 55< / span > < / div >
< div class = "foldopen" id = "foldopen00056" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00056" name = "l00056" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_prod_3_01bool_01_4.html#a1a86e9398bae24182b7be0a6577bf223" > 56< / a > < / span > < span class = "keywordtype" > bool< / span > < a class = "code hl_function" href = "struct_cum_prod_3_01bool_01_4.html#a1a86e9398bae24182b7be0a6577bf223" > simd_exclusive_scan< / a > (< span class = "keywordtype" > bool< / span > x) {< / div >
< div class = "line" > < a id = "l00057" name = "l00057" > < / a > < span class = "lineno" > 57< / span > x = < a class = "code hl_function" href = "struct_cum_prod.html#a860dbf6146de088d07175bd165b74004" > simd_scan< / a > (x);< / div >
< div class = "line" > < a id = "l00058" name = "l00058" > < / a > < span class = "lineno" > 58< / span > < span class = "keywordflow" > return< / span > simd_shuffle_and_fill_up(x, < a class = "code hl_variable" href = "struct_cum_prod.html#acf2ae2daa84d477b413deea679cab9e5" > init< / a > , 1);< / div >
< div class = "line" > < a id = "l00059" name = "l00059" > < / a > < span class = "lineno" > 59< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00060" name = "l00060" > < / a > < span class = "lineno" > 60< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00061" name = "l00061" > < / a > < span class = "lineno" > 61< / span > < / div >
< div class = "line" > < a id = "l00062" name = "l00062" > < / a > < span class = "lineno" > 62< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U> < / div >
< div class = "foldopen" id = "foldopen00063" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00063" name = "l00063" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_max.html" > 63< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "struct_cum_max.html" > CumMax< / a > {< / div >
< div class = "line" > < a id = "l00064" name = "l00064" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_max.html#a16480052a2eeb4340e546838aab59cc4" > 64< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > constant U < a class = "code hl_variable" href = "struct_cum_max.html#a16480052a2eeb4340e546838aab59cc4" > init< / a > = < a class = "code hl_struct" href = "struct_limits.html" > Limits< U> ::min< / a > ;< / div >
< div class = "line" > < a id = "l00065" name = "l00065" > < / a > < span class = "lineno" > 65< / span > < / div >
< div class = "line" > < a id = "l00066" name = "l00066" > < / a > < span class = "lineno" > 66< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "foldopen" id = "foldopen00067" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00067" name = "l00067" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_max.html#a781b9b955c5412466da6af6c70d73c06" > 67< / a > < / span > U < a class = "code hl_function" href = "struct_cum_max.html#a781b9b955c5412466da6af6c70d73c06" > operator()< / a > (U a, T b) {< / div >
< div class = "line" > < a id = "l00068" name = "l00068" > < / a > < span class = "lineno" > 68< / span > < span class = "keywordflow" > return< / span > (a > = b) ? a : b;< / div >
< div class = "line" > < a id = "l00069" name = "l00069" > < / a > < span class = "lineno" > 69< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00070" name = "l00070" > < / a > < span class = "lineno" > 70< / span > < / div >
< div class = "foldopen" id = "foldopen00071" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00071" name = "l00071" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_max.html#adc9ec8bb09b4433d4c2f03022c43d781" > 71< / a > < / span > U < a class = "code hl_function" href = "struct_cum_max.html#adc9ec8bb09b4433d4c2f03022c43d781" > simd_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00072" name = "l00072" > < / a > < span class = "lineno" > 72< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < = 16; i *= 2) {< / div >
< div class = "line" > < a id = "l00073" name = "l00073" > < / a > < span class = "lineno" > 73< / span > U other = simd_shuffle_up(x, i);< / div >
< div class = "line" > < a id = "l00074" name = "l00074" > < / a > < span class = "lineno" > 74< / span > x = (x > = other) ? x : other;< / div >
< div class = "line" > < a id = "l00075" name = "l00075" > < / a > < span class = "lineno" > 75< / span > }< / div >
< div class = "line" > < a id = "l00076" name = "l00076" > < / a > < span class = "lineno" > 76< / span > < span class = "keywordflow" > return< / span > x;< / div >
< div class = "line" > < a id = "l00077" name = "l00077" > < / a > < span class = "lineno" > 77< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00078" name = "l00078" > < / a > < span class = "lineno" > 78< / span > < / div >
< div class = "foldopen" id = "foldopen00079" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00079" name = "l00079" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_max.html#ae11b67aa6c998e9a01615b2a79af4403" > 79< / a > < / span > U < a class = "code hl_function" href = "struct_cum_max.html#ae11b67aa6c998e9a01615b2a79af4403" > simd_exclusive_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00080" name = "l00080" > < / a > < span class = "lineno" > 80< / span > x = < a class = "code hl_function" href = "struct_cum_max.html#adc9ec8bb09b4433d4c2f03022c43d781" > simd_scan< / a > (x);< / div >
< div class = "line" > < a id = "l00081" name = "l00081" > < / a > < span class = "lineno" > 81< / span > < span class = "keywordflow" > return< / span > simd_shuffle_and_fill_up(x, < a class = "code hl_variable" href = "struct_cum_max.html#a16480052a2eeb4340e546838aab59cc4" > init< / a > , 1);< / div >
< div class = "line" > < a id = "l00082" name = "l00082" > < / a > < span class = "lineno" > 82< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00083" name = "l00083" > < / a > < span class = "lineno" > 83< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00084" name = "l00084" > < / a > < span class = "lineno" > 84< / span > < / div >
< div class = "line" > < a id = "l00085" name = "l00085" > < / a > < span class = "lineno" > 85< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U> < / div >
< div class = "foldopen" id = "foldopen00086" data-start = "{" data-end = "};" >
< div class = "line" > < a id = "l00086" name = "l00086" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_min.html" > 86< / a > < / span > < span class = "keyword" > struct < / span > < a class = "code hl_struct" href = "struct_cum_min.html" > CumMin< / a > {< / div >
< div class = "line" > < a id = "l00087" name = "l00087" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_min.html#a8b67f739c620d0cc194b533190990ab9" > 87< / a > < / span > < span class = "keyword" > static< / span > < span class = "keyword" > constexpr< / span > constant U < a class = "code hl_variable" href = "struct_cum_min.html#a8b67f739c620d0cc194b533190990ab9" > init< / a > = < a class = "code hl_struct" href = "struct_limits.html" > Limits< U> ::max< / a > ;< / div >
< div class = "line" > < a id = "l00088" name = "l00088" > < / a > < span class = "lineno" > 88< / span > < / div >
< div class = "line" > < a id = "l00089" name = "l00089" > < / a > < span class = "lineno" > 89< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T> < / div >
< div class = "foldopen" id = "foldopen00090" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00090" name = "l00090" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_min.html#ae0b8c3761e04fa538d304ca842281a66" > 90< / a > < / span > U < a class = "code hl_function" href = "struct_cum_min.html#ae0b8c3761e04fa538d304ca842281a66" > operator()< / a > (U a, T b) {< / div >
< div class = "line" > < a id = "l00091" name = "l00091" > < / a > < span class = "lineno" > 91< / span > < span class = "keywordflow" > return< / span > (a < = b) ? a : b;< / div >
< div class = "line" > < a id = "l00092" name = "l00092" > < / a > < span class = "lineno" > 92< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00093" name = "l00093" > < / a > < span class = "lineno" > 93< / span > < / div >
< div class = "foldopen" id = "foldopen00094" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00094" name = "l00094" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_min.html#a0a1005d91b1c90e90e2c6dbd6c296649" > 94< / a > < / span > U < a class = "code hl_function" href = "struct_cum_min.html#a0a1005d91b1c90e90e2c6dbd6c296649" > simd_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00095" name = "l00095" > < / a > < span class = "lineno" > 95< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < = 16; i *= 2) {< / div >
< div class = "line" > < a id = "l00096" name = "l00096" > < / a > < span class = "lineno" > 96< / span > U other = simd_shuffle_up(x, i);< / div >
< div class = "line" > < a id = "l00097" name = "l00097" > < / a > < span class = "lineno" > 97< / span > x = (x < = other) ? x : other;< / div >
< div class = "line" > < a id = "l00098" name = "l00098" > < / a > < span class = "lineno" > 98< / span > }< / div >
< div class = "line" > < a id = "l00099" name = "l00099" > < / a > < span class = "lineno" > 99< / span > < span class = "keywordflow" > return< / span > x;< / div >
< div class = "line" > < a id = "l00100" name = "l00100" > < / a > < span class = "lineno" > 100< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00101" name = "l00101" > < / a > < span class = "lineno" > 101< / span > < / div >
< div class = "foldopen" id = "foldopen00102" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00102" name = "l00102" > < / a > < span class = "lineno" > < a class = "line" href = "struct_cum_min.html#a83e65017ff33018b585c043fb803773b" > 102< / a > < / span > U < a class = "code hl_function" href = "struct_cum_min.html#a83e65017ff33018b585c043fb803773b" > simd_exclusive_scan< / a > (U x) {< / div >
< div class = "line" > < a id = "l00103" name = "l00103" > < / a > < span class = "lineno" > 103< / span > x = < a class = "code hl_function" href = "struct_cum_min.html#a0a1005d91b1c90e90e2c6dbd6c296649" > simd_scan< / a > (x);< / div >
< div class = "line" > < a id = "l00104" name = "l00104" > < / a > < span class = "lineno" > 104< / span > < span class = "keywordflow" > return< / span > simd_shuffle_and_fill_up(x, < a class = "code hl_variable" href = "struct_cum_min.html#a8b67f739c620d0cc194b533190990ab9" > init< / a > , 1);< / div >
< div class = "line" > < a id = "l00105" name = "l00105" > < / a > < span class = "lineno" > 105< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00106" name = "l00106" > < / a > < span class = "lineno" > 106< / span > };< / div >
< / div >
< div class = "line" > < a id = "l00107" name = "l00107" > < / a > < span class = "lineno" > 107< / span > < / div >
< div class = "line" > < a id = "l00108" name = "l00108" > < / a > < span class = "lineno" > 108< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T, < span class = "keyword" > typename< / span > U, < span class = "keywordtype" > int< / span > N_READS, < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00109" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00109" name = "l00109" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#a9c415d07921f3961bad0a00a34f4a9a3" > 109< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#a9c415d07921f3961bad0a00a34f4a9a3" > load_unsafe< / a > (U values[N_READS], < span class = "keyword" > const< / span > device T* input) {< / div >
< div class = "line" > < a id = "l00110" name = "l00110" > < / a > < span class = "lineno" > 110< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00111" name = "l00111" > < / a > < span class = "lineno" > 111< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00112" name = "l00112" > < / a > < span class = "lineno" > 112< / span > values[N_READS - i - 1] = input[i];< / div >
< div class = "line" > < a id = "l00113" name = "l00113" > < / a > < span class = "lineno" > 113< / span > }< / div >
< div class = "line" > < a id = "l00114" name = "l00114" > < / a > < span class = "lineno" > 114< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00115" name = "l00115" > < / a > < span class = "lineno" > 115< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00116" name = "l00116" > < / a > < span class = "lineno" > 116< / span > values[i] = input[i];< / div >
< div class = "line" > < a id = "l00117" name = "l00117" > < / a > < span class = "lineno" > 117< / span > }< / div >
< div class = "line" > < a id = "l00118" name = "l00118" > < / a > < span class = "lineno" > 118< / span > }< / div >
< div class = "line" > < a id = "l00119" name = "l00119" > < / a > < span class = "lineno" > 119< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00120" name = "l00120" > < / a > < span class = "lineno" > 120< / span > < / div >
< div class = "line" > < a id = "l00121" name = "l00121" > < / a > < span class = "lineno" > 121< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > T, < span class = "keyword" > typename< / span > U, < span class = "keywordtype" > int< / span > N_READS, < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00122" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00122" name = "l00122" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#ae8eb101e538b85f8a4bcf451489ae0ac" > 122< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#ae8eb101e538b85f8a4bcf451489ae0ac" > load_safe< / a > (< / div >
< div class = "line" > < a id = "l00123" name = "l00123" > < / a > < span class = "lineno" > 123< / span > U values[N_READS],< / div >
< div class = "line" > < a id = "l00124" name = "l00124" > < / a > < span class = "lineno" > 124< / span > < span class = "keyword" > const< / span > device T* input,< / div >
< div class = "line" > < a id = "l00125" name = "l00125" > < / a > < span class = "lineno" > 125< / span > < span class = "keywordtype" > int< / span > start,< / div >
< div class = "line" > < a id = "l00126" name = "l00126" > < / a > < span class = "lineno" > 126< / span > < span class = "keywordtype" > int< / span > total,< / div >
< div class = "line" > < a id = "l00127" name = "l00127" > < / a > < span class = "lineno" > 127< / span > U init) {< / div >
< div class = "line" > < a id = "l00128" name = "l00128" > < / a > < span class = "lineno" > 128< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00129" name = "l00129" > < / a > < span class = "lineno" > 129< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00130" name = "l00130" > < / a > < span class = "lineno" > 130< / span > values[N_READS - i - 1] =< / div >
< div class = "line" > < a id = "l00131" name = "l00131" > < / a > < span class = "lineno" > 131< / span > (start + N_READS - i - 1 < total) ? input[i] : init;< / div >
< div class = "line" > < a id = "l00132" name = "l00132" > < / a > < span class = "lineno" > 132< / span > }< / div >
< div class = "line" > < a id = "l00133" name = "l00133" > < / a > < span class = "lineno" > 133< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00134" name = "l00134" > < / a > < span class = "lineno" > 134< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00135" name = "l00135" > < / a > < span class = "lineno" > 135< / span > values[i] = (start + i < total) ? input[i] : init;< / div >
< div class = "line" > < a id = "l00136" name = "l00136" > < / a > < span class = "lineno" > 136< / span > }< / div >
< div class = "line" > < a id = "l00137" name = "l00137" > < / a > < span class = "lineno" > 137< / span > }< / div >
< div class = "line" > < a id = "l00138" name = "l00138" > < / a > < span class = "lineno" > 138< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00139" name = "l00139" > < / a > < span class = "lineno" > 139< / span > < / div >
< div class = "line" > < a id = "l00140" name = "l00140" > < / a > < span class = "lineno" > 140< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U, < span class = "keywordtype" > int< / span > N_READS, < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00141" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00141" name = "l00141" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#a8010e7bdf7a72cbd35ce7cd7ecb08e32" > 141< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#a8010e7bdf7a72cbd35ce7cd7ecb08e32" > write_unsafe< / a > (U values[N_READS], device U* out) {< / div >
< div class = "line" > < a id = "l00142" name = "l00142" > < / a > < span class = "lineno" > 142< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00143" name = "l00143" > < / a > < span class = "lineno" > 143< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00144" name = "l00144" > < / a > < span class = "lineno" > 144< / span > out[i] = values[N_READS - i - 1];< / div >
< div class = "line" > < a id = "l00145" name = "l00145" > < / a > < span class = "lineno" > 145< / span > }< / div >
< div class = "line" > < a id = "l00146" name = "l00146" > < / a > < span class = "lineno" > 146< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00147" name = "l00147" > < / a > < span class = "lineno" > 147< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00148" name = "l00148" > < / a > < span class = "lineno" > 148< / span > out[i] = values[i];< / div >
< div class = "line" > < a id = "l00149" name = "l00149" > < / a > < span class = "lineno" > 149< / span > }< / div >
< div class = "line" > < a id = "l00150" name = "l00150" > < / a > < span class = "lineno" > 150< / span > }< / div >
< div class = "line" > < a id = "l00151" name = "l00151" > < / a > < span class = "lineno" > 151< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00152" name = "l00152" > < / a > < span class = "lineno" > 152< / span > < / div >
< div class = "line" > < a id = "l00153" name = "l00153" > < / a > < span class = "lineno" > 153< / span > < span class = "keyword" > template< / span > < < span class = "keyword" > typename< / span > U, < span class = "keywordtype" > int< / span > N_READS, < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00154" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00154" name = "l00154" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#ae86aef08e5ebc8790031eb51eefa754c" > 154< / a > < / span > < span class = "keyword" > inline< / span > < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#ae86aef08e5ebc8790031eb51eefa754c" > write_safe< / a > (U values[N_READS], device U* out, < span class = "keywordtype" > int< / span > start, < span class = "keywordtype" > int< / span > total) {< / div >
< div class = "line" > < a id = "l00155" name = "l00155" > < / a > < span class = "lineno" > 155< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00156" name = "l00156" > < / a > < span class = "lineno" > 156< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00157" name = "l00157" > < / a > < span class = "lineno" > 157< / span > < span class = "keywordflow" > if< / span > (start + N_READS - i - 1 < total) {< / div >
< div class = "line" > < a id = "l00158" name = "l00158" > < / a > < span class = "lineno" > 158< / span > out[i] = values[N_READS - i - 1];< / div >
< div class = "line" > < a id = "l00159" name = "l00159" > < / a > < span class = "lineno" > 159< / span > }< / div >
< div class = "line" > < a id = "l00160" name = "l00160" > < / a > < span class = "lineno" > 160< / span > }< / div >
< div class = "line" > < a id = "l00161" name = "l00161" > < / a > < span class = "lineno" > 161< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00162" name = "l00162" > < / a > < span class = "lineno" > 162< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00163" name = "l00163" > < / a > < span class = "lineno" > 163< / span > < span class = "keywordflow" > if< / span > (start + i < total) {< / div >
< div class = "line" > < a id = "l00164" name = "l00164" > < / a > < span class = "lineno" > 164< / span > out[i] = values[i];< / div >
< div class = "line" > < a id = "l00165" name = "l00165" > < / a > < span class = "lineno" > 165< / span > }< / div >
< div class = "line" > < a id = "l00166" name = "l00166" > < / a > < span class = "lineno" > 166< / span > }< / div >
< div class = "line" > < a id = "l00167" name = "l00167" > < / a > < span class = "lineno" > 167< / span > }< / div >
< div class = "line" > < a id = "l00168" name = "l00168" > < / a > < span class = "lineno" > 168< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00169" name = "l00169" > < / a > < span class = "lineno" > 169< / span > < / div >
< div class = "line" > < a id = "l00170" name = "l00170" > < / a > < span class = "lineno" > 170< / span > < span class = "keyword" > template< / span > < < / div >
< div class = "line" > < a id = "l00171" name = "l00171" > < / a > < span class = "lineno" > 171< / span > < span class = "keyword" > typename< / span > T,< / div >
< div class = "line" > < a id = "l00172" name = "l00172" > < / a > < span class = "lineno" > 172< / span > < span class = "keyword" > typename< / span > U,< / div >
< div class = "line" > < a id = "l00173" name = "l00173" > < / a > < span class = "lineno" > 173< / span > < span class = "keyword" > typename< / span > Op,< / div >
< div class = "line" > < a id = "l00174" name = "l00174" > < / a > < span class = "lineno" > 174< / span > < span class = "keywordtype" > int< / span > N_READS,< / div >
< div class = "line" > < a id = "l00175" name = "l00175" > < / a > < span class = "lineno" > 175< / span > < span class = "keywordtype" > bool< / span > inclusive,< / div >
< div class = "line" > < a id = "l00176" name = "l00176" > < / a > < span class = "lineno" > 176< / span > < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00177" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00177" name = "l00177" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#a1f9c197dc09641f3fbb2e886c85b0675" > 177< / a > < / span > [[kernel]] < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#a1f9c197dc09641f3fbb2e886c85b0675" > contiguous_scan< / a > (< / div >
< div class = "line" > < a id = "l00178" name = "l00178" > < / a > < span class = "lineno" > 178< / span > < span class = "keyword" > const< / span > device T* in [[buffer(0)]],< / div >
< div class = "line" > < a id = "l00179" name = "l00179" > < / a > < span class = "lineno" > 179< / span > device U* out [[buffer(1)]],< / div >
< div class = "line" > < a id = "l00180" name = "l00180" > < / a > < span class = "lineno" > 180< / span > < span class = "keyword" > const< / span > constant < span class = "keywordtype" > size_t< / span > & axis_size [[buffer(2)]],< / div >
< div class = "line" > < a id = "l00181" name = "l00181" > < / a > < span class = "lineno" > 181< / span > uint gid [[thread_position_in_grid]],< / div >
< div class = "line" > < a id = "l00182" name = "l00182" > < / a > < span class = "lineno" > 182< / span > uint lid [[thread_position_in_threadgroup]],< / div >
< div class = "line" > < a id = "l00183" name = "l00183" > < / a > < span class = "lineno" > 183< / span > uint lsize [[threads_per_threadgroup]],< / div >
< div class = "line" > < a id = "l00184" name = "l00184" > < / a > < span class = "lineno" > 184< / span > uint < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > [[threads_per_simdgroup]],< / div >
< div class = "line" > < a id = "l00185" name = "l00185" > < / a > < span class = "lineno" > 185< / span > uint simd_lane_id [[thread_index_in_simdgroup]],< / div >
< div class = "line" > < a id = "l00186" name = "l00186" > < / a > < span class = "lineno" > 186< / span > uint simd_group_id [[simdgroup_index_in_threadgroup]]) {< / div >
< div class = "line" > < a id = "l00187" name = "l00187" > < / a > < span class = "lineno" > 187< / span > Op < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > ;< / div >
< div class = "line" > < a id = "l00188" name = "l00188" > < / a > < span class = "lineno" > 188< / span > < / div >
< div class = "line" > < a id = "l00189" name = "l00189" > < / a > < span class = "lineno" > 189< / span > < span class = "comment" > // Position the pointers< / span > < / div >
< div class = "line" > < a id = "l00190" name = "l00190" > < / a > < span class = "lineno" > 190< / span > in += (gid / lsize) * axis_size;< / div >
< div class = "line" > < a id = "l00191" name = "l00191" > < / a > < span class = "lineno" > 191< / span > out += (gid / lsize) * axis_size;< / div >
< div class = "line" > < a id = "l00192" name = "l00192" > < / a > < span class = "lineno" > 192< / span > < / div >
< div class = "line" > < a id = "l00193" name = "l00193" > < / a > < span class = "lineno" > 193< / span > < span class = "comment" > // Compute the number of simd_groups< / span > < / div >
< div class = "line" > < a id = "l00194" name = "l00194" > < / a > < span class = "lineno" > 194< / span > uint simd_groups = lsize / < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > ;< / div >
< div class = "line" > < a id = "l00195" name = "l00195" > < / a > < span class = "lineno" > 195< / span > < / div >
< div class = "line" > < a id = "l00196" name = "l00196" > < / a > < span class = "lineno" > 196< / span > < span class = "comment" > // Allocate memory< / span > < / div >
< div class = "line" > < a id = "l00197" name = "l00197" > < / a > < span class = "lineno" > 197< / span > U prefix = Op::init;< / div >
< div class = "line" > < a id = "l00198" name = "l00198" > < / a > < span class = "lineno" > 198< / span > U values[N_READS];< / div >
< div class = "line" > < a id = "l00199" name = "l00199" > < / a > < span class = "lineno" > 199< / span > threadgroup U simdgroup_sums[32];< / div >
< div class = "line" > < a id = "l00200" name = "l00200" > < / a > < span class = "lineno" > 200< / span > < / div >
< div class = "line" > < a id = "l00201" name = "l00201" > < / a > < span class = "lineno" > 201< / span > < span class = "comment" > // Loop over the reduced axis in blocks of size ceildiv(axis_size,< / span > < / div >
< div class = "line" > < a id = "l00202" name = "l00202" > < / a > < span class = "lineno" > 202< / span > < span class = "comment" > // N_READS*lsize)< / span > < / div >
< div class = "line" > < a id = "l00203" name = "l00203" > < / a > < span class = "lineno" > 203< / span > < span class = "comment" > // Read block< / span > < / div >
< div class = "line" > < a id = "l00204" name = "l00204" > < / a > < span class = "lineno" > 204< / span > < span class = "comment" > // Compute inclusive scan of the block< / span > < / div >
< div class = "line" > < a id = "l00205" name = "l00205" > < / a > < span class = "lineno" > 205< / span > < span class = "comment" > // Compute inclusive scan per thread< / span > < / div >
< div class = "line" > < a id = "l00206" name = "l00206" > < / a > < span class = "lineno" > 206< / span > < span class = "comment" > // Compute exclusive scan of thread sums in simdgroup< / span > < / div >
< div class = "line" > < a id = "l00207" name = "l00207" > < / a > < span class = "lineno" > 207< / span > < span class = "comment" > // Write simdgroup sums in SM< / span > < / div >
< div class = "line" > < a id = "l00208" name = "l00208" > < / a > < span class = "lineno" > 208< / span > < span class = "comment" > // Compute exclusive scan of simdgroup sums< / span > < / div >
< div class = "line" > < a id = "l00209" name = "l00209" > < / a > < span class = "lineno" > 209< / span > < span class = "comment" > // Compute the output by scanning prefix, prev_simdgroup, prev_thread,< / span > < / div >
< div class = "line" > < a id = "l00210" name = "l00210" > < / a > < span class = "lineno" > 210< / span > < span class = "comment" > // value< / span > < / div >
< div class = "line" > < a id = "l00211" name = "l00211" > < / a > < span class = "lineno" > 211< / span > < span class = "comment" > // Write block< / span > < / div >
< div class = "line" > < a id = "l00212" name = "l00212" > < / a > < span class = "lineno" > 212< / span > < / div >
2024-08-24 03:14:53 +08:00
< div class = "line" > < a id = "l00213" name = "l00213" > < / a > < span class = "lineno" > 213< / span > < span class = "keywordflow" > for< / span > (uint r = 0; r < < a class = "code hl_function" href = "backend_2metal_2kernels_2utils_8h.html#a8e5a4b0fb5d018d7b078d147efe4f1e3" > ceildiv< / a > (axis_size, N_READS * lsize); r++) {< / div >
2024-06-07 11:28:06 +08:00
< div class = "line" > < a id = "l00214" name = "l00214" > < / a > < span class = "lineno" > 214< / span > < span class = "comment" > // Compute the block offset< / span > < / div >
< div class = "line" > < a id = "l00215" name = "l00215" > < / a > < span class = "lineno" > 215< / span > uint offset = r * lsize * N_READS + lid * N_READS;< / div >
< div class = "line" > < a id = "l00216" name = "l00216" > < / a > < span class = "lineno" > 216< / span > < / div >
< div class = "line" > < a id = "l00217" name = "l00217" > < / a > < span class = "lineno" > 217< / span > < span class = "comment" > // Read the values< / span > < / div >
< div class = "line" > < a id = "l00218" name = "l00218" > < / a > < span class = "lineno" > 218< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00219" name = "l00219" > < / a > < span class = "lineno" > 219< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS) < axis_size) {< / div >
< div class = "line" > < a id = "l00220" name = "l00220" > < / a > < span class = "lineno" > 220< / span > load_unsafe< T, U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00221" name = "l00221" > < / a > < span class = "lineno" > 221< / span > values, in + axis_size - offset - N_READS);< / div >
< div class = "line" > < a id = "l00222" name = "l00222" > < / a > < span class = "lineno" > 222< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00223" name = "l00223" > < / a > < span class = "lineno" > 223< / span > load_safe< T, U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00224" name = "l00224" > < / a > < span class = "lineno" > 224< / span > values,< / div >
< div class = "line" > < a id = "l00225" name = "l00225" > < / a > < span class = "lineno" > 225< / span > in + axis_size - offset - N_READS,< / div >
< div class = "line" > < a id = "l00226" name = "l00226" > < / a > < span class = "lineno" > 226< / span > offset,< / div >
< div class = "line" > < a id = "l00227" name = "l00227" > < / a > < span class = "lineno" > 227< / span > axis_size,< / div >
< div class = "line" > < a id = "l00228" name = "l00228" > < / a > < span class = "lineno" > 228< / span > Op::init);< / div >
< div class = "line" > < a id = "l00229" name = "l00229" > < / a > < span class = "lineno" > 229< / span > }< / div >
< div class = "line" > < a id = "l00230" name = "l00230" > < / a > < span class = "lineno" > 230< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00231" name = "l00231" > < / a > < span class = "lineno" > 231< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS) < axis_size) {< / div >
< div class = "line" > < a id = "l00232" name = "l00232" > < / a > < span class = "lineno" > 232< / span > load_unsafe< T, U, N_READS, reverse> (values, in + offset);< / div >
< div class = "line" > < a id = "l00233" name = "l00233" > < / a > < span class = "lineno" > 233< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00234" name = "l00234" > < / a > < span class = "lineno" > 234< / span > load_safe< T, U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00235" name = "l00235" > < / a > < span class = "lineno" > 235< / span > values, in + offset, offset, axis_size, Op::init);< / div >
< div class = "line" > < a id = "l00236" name = "l00236" > < / a > < span class = "lineno" > 236< / span > }< / div >
< div class = "line" > < a id = "l00237" name = "l00237" > < / a > < span class = "lineno" > 237< / span > }< / div >
< div class = "line" > < a id = "l00238" name = "l00238" > < / a > < span class = "lineno" > 238< / span > < / div >
< div class = "line" > < a id = "l00239" name = "l00239" > < / a > < span class = "lineno" > 239< / span > < span class = "comment" > // Compute an inclusive scan per thread< / span > < / div >
< div class = "line" > < a id = "l00240" name = "l00240" > < / a > < span class = "lineno" > 240< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 1; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00241" name = "l00241" > < / a > < span class = "lineno" > 241< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (values[i], values[i - 1]);< / div >
< div class = "line" > < a id = "l00242" name = "l00242" > < / a > < span class = "lineno" > 242< / span > }< / div >
< div class = "line" > < a id = "l00243" name = "l00243" > < / a > < span class = "lineno" > 243< / span > < / div >
< div class = "line" > < a id = "l00244" name = "l00244" > < / a > < span class = "lineno" > 244< / span > < span class = "comment" > // Compute exclusive scan of thread sums< / span > < / div >
< div class = "line" > < a id = "l00245" name = "l00245" > < / a > < span class = "lineno" > 245< / span > U prev_thread = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > .simd_exclusive_scan(values[N_READS - 1]);< / div >
< div class = "line" > < a id = "l00246" name = "l00246" > < / a > < span class = "lineno" > 246< / span > < / div >
< div class = "line" > < a id = "l00247" name = "l00247" > < / a > < span class = "lineno" > 247< / span > < span class = "comment" > // Write simdgroup_sums to SM< / span > < / div >
< div class = "line" > < a id = "l00248" name = "l00248" > < / a > < span class = "lineno" > 248< / span > < span class = "keywordflow" > if< / span > (simd_lane_id == < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > - 1) {< / div >
< div class = "line" > < a id = "l00249" name = "l00249" > < / a > < span class = "lineno" > 249< / span > simdgroup_sums[simd_group_id] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (prev_thread, values[N_READS - 1]);< / div >
< div class = "line" > < a id = "l00250" name = "l00250" > < / a > < span class = "lineno" > 250< / span > }< / div >
< div class = "line" > < a id = "l00251" name = "l00251" > < / a > < span class = "lineno" > 251< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00252" name = "l00252" > < / a > < span class = "lineno" > 252< / span > < / div >
< div class = "line" > < a id = "l00253" name = "l00253" > < / a > < span class = "lineno" > 253< / span > < span class = "comment" > // Compute exclusive scan of simdgroup_sums< / span > < / div >
< div class = "line" > < a id = "l00254" name = "l00254" > < / a > < span class = "lineno" > 254< / span > < span class = "keywordflow" > if< / span > (simd_group_id == 0) {< / div >
< div class = "line" > < a id = "l00255" name = "l00255" > < / a > < span class = "lineno" > 255< / span > U prev_simdgroup = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > .simd_exclusive_scan(simdgroup_sums[simd_lane_id]);< / div >
< div class = "line" > < a id = "l00256" name = "l00256" > < / a > < span class = "lineno" > 256< / span > simdgroup_sums[simd_lane_id] = prev_simdgroup;< / div >
< div class = "line" > < a id = "l00257" name = "l00257" > < / a > < span class = "lineno" > 257< / span > }< / div >
< div class = "line" > < a id = "l00258" name = "l00258" > < / a > < span class = "lineno" > 258< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00259" name = "l00259" > < / a > < span class = "lineno" > 259< / span > < / div >
< div class = "line" > < a id = "l00260" name = "l00260" > < / a > < span class = "lineno" > 260< / span > < span class = "comment" > // Compute the output< / span > < / div >
< div class = "line" > < a id = "l00261" name = "l00261" > < / a > < span class = "lineno" > 261< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00262" name = "l00262" > < / a > < span class = "lineno" > 262< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (values[i], prefix);< / div >
< div class = "line" > < a id = "l00263" name = "l00263" > < / a > < span class = "lineno" > 263< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (values[i], simdgroup_sums[simd_group_id]);< / div >
< div class = "line" > < a id = "l00264" name = "l00264" > < / a > < span class = "lineno" > 264< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (values[i], prev_thread);< / div >
< div class = "line" > < a id = "l00265" name = "l00265" > < / a > < span class = "lineno" > 265< / span > }< / div >
< div class = "line" > < a id = "l00266" name = "l00266" > < / a > < span class = "lineno" > 266< / span > < / div >
< div class = "line" > < a id = "l00267" name = "l00267" > < / a > < span class = "lineno" > 267< / span > < span class = "comment" > // Write the values< / span > < / div >
< div class = "line" > < a id = "l00268" name = "l00268" > < / a > < span class = "lineno" > 268< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00269" name = "l00269" > < / a > < span class = "lineno" > 269< / span > < span class = "keywordflow" > if< / span > (inclusive) {< / div >
< div class = "line" > < a id = "l00270" name = "l00270" > < / a > < span class = "lineno" > 270< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS) < axis_size) {< / div >
< div class = "line" > < a id = "l00271" name = "l00271" > < / a > < span class = "lineno" > 271< / span > write_unsafe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00272" name = "l00272" > < / a > < span class = "lineno" > 272< / span > values, out + axis_size - offset - N_READS);< / div >
< div class = "line" > < a id = "l00273" name = "l00273" > < / a > < span class = "lineno" > 273< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00274" name = "l00274" > < / a > < span class = "lineno" > 274< / span > write_safe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00275" name = "l00275" > < / a > < span class = "lineno" > 275< / span > values, out + axis_size - offset - N_READS, offset, axis_size);< / div >
< div class = "line" > < a id = "l00276" name = "l00276" > < / a > < span class = "lineno" > 276< / span > }< / div >
< div class = "line" > < a id = "l00277" name = "l00277" > < / a > < span class = "lineno" > 277< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00278" name = "l00278" > < / a > < span class = "lineno" > 278< / span > < span class = "keywordflow" > if< / span > (lid == 0 & & offset == 0) {< / div >
< div class = "line" > < a id = "l00279" name = "l00279" > < / a > < span class = "lineno" > 279< / span > out[axis_size - 1] = Op::init;< / div >
< div class = "line" > < a id = "l00280" name = "l00280" > < / a > < span class = "lineno" > 280< / span > }< / div >
< div class = "line" > < a id = "l00281" name = "l00281" > < / a > < span class = "lineno" > 281< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS + 1) < axis_size) {< / div >
< div class = "line" > < a id = "l00282" name = "l00282" > < / a > < span class = "lineno" > 282< / span > write_unsafe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00283" name = "l00283" > < / a > < span class = "lineno" > 283< / span > values, out + axis_size - offset - 1 - N_READS);< / div >
< div class = "line" > < a id = "l00284" name = "l00284" > < / a > < span class = "lineno" > 284< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00285" name = "l00285" > < / a > < span class = "lineno" > 285< / span > write_safe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00286" name = "l00286" > < / a > < span class = "lineno" > 286< / span > values,< / div >
< div class = "line" > < a id = "l00287" name = "l00287" > < / a > < span class = "lineno" > 287< / span > out + axis_size - offset - 1 - N_READS,< / div >
< div class = "line" > < a id = "l00288" name = "l00288" > < / a > < span class = "lineno" > 288< / span > offset + 1,< / div >
< div class = "line" > < a id = "l00289" name = "l00289" > < / a > < span class = "lineno" > 289< / span > axis_size);< / div >
< div class = "line" > < a id = "l00290" name = "l00290" > < / a > < span class = "lineno" > 290< / span > }< / div >
< div class = "line" > < a id = "l00291" name = "l00291" > < / a > < span class = "lineno" > 291< / span > }< / div >
< div class = "line" > < a id = "l00292" name = "l00292" > < / a > < span class = "lineno" > 292< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00293" name = "l00293" > < / a > < span class = "lineno" > 293< / span > < span class = "keywordflow" > if< / span > (inclusive) {< / div >
< div class = "line" > < a id = "l00294" name = "l00294" > < / a > < span class = "lineno" > 294< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS) < axis_size) {< / div >
< div class = "line" > < a id = "l00295" name = "l00295" > < / a > < span class = "lineno" > 295< / span > write_unsafe< U, N_READS, reverse> (values, out + offset);< / div >
< div class = "line" > < a id = "l00296" name = "l00296" > < / a > < span class = "lineno" > 296< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00297" name = "l00297" > < / a > < span class = "lineno" > 297< / span > write_safe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00298" name = "l00298" > < / a > < span class = "lineno" > 298< / span > values, out + offset, offset, axis_size);< / div >
< div class = "line" > < a id = "l00299" name = "l00299" > < / a > < span class = "lineno" > 299< / span > }< / div >
< div class = "line" > < a id = "l00300" name = "l00300" > < / a > < span class = "lineno" > 300< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00301" name = "l00301" > < / a > < span class = "lineno" > 301< / span > < span class = "keywordflow" > if< / span > (lid == 0 & & offset == 0) {< / div >
< div class = "line" > < a id = "l00302" name = "l00302" > < / a > < span class = "lineno" > 302< / span > out[0] = Op::init;< / div >
< div class = "line" > < a id = "l00303" name = "l00303" > < / a > < span class = "lineno" > 303< / span > }< / div >
< div class = "line" > < a id = "l00304" name = "l00304" > < / a > < span class = "lineno" > 304< / span > < span class = "keywordflow" > if< / span > ((offset + N_READS + 1) < axis_size) {< / div >
< div class = "line" > < a id = "l00305" name = "l00305" > < / a > < span class = "lineno" > 305< / span > write_unsafe< U, N_READS, reverse> (values, out + offset + 1);< / div >
< div class = "line" > < a id = "l00306" name = "l00306" > < / a > < span class = "lineno" > 306< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00307" name = "l00307" > < / a > < span class = "lineno" > 307< / span > write_safe< U, N_READS, reverse> (< / div >
< div class = "line" > < a id = "l00308" name = "l00308" > < / a > < span class = "lineno" > 308< / span > values, out + offset + 1, offset + 1, axis_size);< / div >
< div class = "line" > < a id = "l00309" name = "l00309" > < / a > < span class = "lineno" > 309< / span > }< / div >
< div class = "line" > < a id = "l00310" name = "l00310" > < / a > < span class = "lineno" > 310< / span > }< / div >
< div class = "line" > < a id = "l00311" name = "l00311" > < / a > < span class = "lineno" > 311< / span > }< / div >
< div class = "line" > < a id = "l00312" name = "l00312" > < / a > < span class = "lineno" > 312< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00313" name = "l00313" > < / a > < span class = "lineno" > 313< / span > < / div >
< div class = "line" > < a id = "l00314" name = "l00314" > < / a > < span class = "lineno" > 314< / span > < span class = "comment" > // Share the prefix< / span > < / div >
< div class = "line" > < a id = "l00315" name = "l00315" > < / a > < span class = "lineno" > 315< / span > < span class = "keywordflow" > if< / span > (simd_group_id == simd_groups - 1 & & simd_lane_id == < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > - 1) {< / div >
< div class = "line" > < a id = "l00316" name = "l00316" > < / a > < span class = "lineno" > 316< / span > simdgroup_sums[0] = values[N_READS - 1];< / div >
< div class = "line" > < a id = "l00317" name = "l00317" > < / a > < span class = "lineno" > 317< / span > }< / div >
< div class = "line" > < a id = "l00318" name = "l00318" > < / a > < span class = "lineno" > 318< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00319" name = "l00319" > < / a > < span class = "lineno" > 319< / span > prefix = simdgroup_sums[0];< / div >
< div class = "line" > < a id = "l00320" name = "l00320" > < / a > < span class = "lineno" > 320< / span > }< / div >
< div class = "line" > < a id = "l00321" name = "l00321" > < / a > < span class = "lineno" > 321< / span > }< / div >
< / div >
< div class = "line" > < a id = "l00322" name = "l00322" > < / a > < span class = "lineno" > 322< / span > < / div >
< div class = "line" > < a id = "l00323" name = "l00323" > < / a > < span class = "lineno" > 323< / span > < span class = "keyword" > template< / span > < < / div >
< div class = "line" > < a id = "l00324" name = "l00324" > < / a > < span class = "lineno" > 324< / span > < span class = "keyword" > typename< / span > T,< / div >
< div class = "line" > < a id = "l00325" name = "l00325" > < / a > < span class = "lineno" > 325< / span > < span class = "keyword" > typename< / span > U,< / div >
< div class = "line" > < a id = "l00326" name = "l00326" > < / a > < span class = "lineno" > 326< / span > < span class = "keyword" > typename< / span > Op,< / div >
< div class = "line" > < a id = "l00327" name = "l00327" > < / a > < span class = "lineno" > 327< / span > < span class = "keywordtype" > int< / span > N_READS,< / div >
< div class = "line" > < a id = "l00328" name = "l00328" > < / a > < span class = "lineno" > 328< / span > < span class = "keywordtype" > bool< / span > inclusive,< / div >
< div class = "line" > < a id = "l00329" name = "l00329" > < / a > < span class = "lineno" > 329< / span > < span class = "keywordtype" > bool< / span > reverse> < / div >
< div class = "foldopen" id = "foldopen00330" data-start = "{" data-end = "}" >
< div class = "line" > < a id = "l00330" name = "l00330" > < / a > < span class = "lineno" > < a class = "line" href = "kernels_2scan_8h.html#aef54ac73154fb9024eda760a9dfde607" > 330< / a > < / span > [[kernel]] < span class = "keywordtype" > void< / span > < a class = "code hl_function" href = "kernels_2scan_8h.html#aef54ac73154fb9024eda760a9dfde607" > strided_scan< / a > (< / div >
< div class = "line" > < a id = "l00331" name = "l00331" > < / a > < span class = "lineno" > 331< / span > < span class = "keyword" > const< / span > device T* in [[buffer(0)]],< / div >
< div class = "line" > < a id = "l00332" name = "l00332" > < / a > < span class = "lineno" > 332< / span > device U* out [[buffer(1)]],< / div >
< div class = "line" > < a id = "l00333" name = "l00333" > < / a > < span class = "lineno" > 333< / span > < span class = "keyword" > const< / span > constant < span class = "keywordtype" > size_t< / span > & axis_size [[buffer(2)]],< / div >
< div class = "line" > < a id = "l00334" name = "l00334" > < / a > < span class = "lineno" > 334< / span > < span class = "keyword" > const< / span > constant < span class = "keywordtype" > size_t< / span > & stride [[buffer(3)]],< / div >
< div class = "line" > < a id = "l00335" name = "l00335" > < / a > < span class = "lineno" > 335< / span > uint2 gid [[threadgroup_position_in_grid]],< / div >
< div class = "line" > < a id = "l00336" name = "l00336" > < / a > < span class = "lineno" > 336< / span > uint2 lid [[thread_position_in_threadgroup]],< / div >
< div class = "line" > < a id = "l00337" name = "l00337" > < / a > < span class = "lineno" > 337< / span > uint2 lsize [[threads_per_threadgroup]],< / div >
< div class = "line" > < a id = "l00338" name = "l00338" > < / a > < span class = "lineno" > 338< / span > uint < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > [[threads_per_simdgroup]]) {< / div >
< div class = "line" > < a id = "l00339" name = "l00339" > < / a > < span class = "lineno" > 339< / span > Op < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > ;< / div >
< div class = "line" > < a id = "l00340" name = "l00340" > < / a > < span class = "lineno" > 340< / span > < / div >
< div class = "line" > < a id = "l00341" name = "l00341" > < / a > < span class = "lineno" > 341< / span > < span class = "comment" > // Allocate memory< / span > < / div >
< div class = "line" > < a id = "l00342" name = "l00342" > < / a > < span class = "lineno" > 342< / span > threadgroup U read_buffer[N_READS * 32 * 32 + N_READS * 32];< / div >
< div class = "line" > < a id = "l00343" name = "l00343" > < / a > < span class = "lineno" > 343< / span > U values[N_READS];< / div >
< div class = "line" > < a id = "l00344" name = "l00344" > < / a > < span class = "lineno" > 344< / span > U prefix[N_READS];< / div >
< div class = "line" > < a id = "l00345" name = "l00345" > < / a > < span class = "lineno" > 345< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00346" name = "l00346" > < / a > < span class = "lineno" > 346< / span > prefix[i] = Op::init;< / div >
< div class = "line" > < a id = "l00347" name = "l00347" > < / a > < span class = "lineno" > 347< / span > }< / div >
< div class = "line" > < a id = "l00348" name = "l00348" > < / a > < span class = "lineno" > 348< / span > < / div >
< div class = "line" > < a id = "l00349" name = "l00349" > < / a > < span class = "lineno" > 349< / span > < span class = "comment" > // Compute offsets< / span > < / div >
< div class = "line" > < a id = "l00350" name = "l00350" > < / a > < span class = "lineno" > 350< / span > < span class = "keywordtype" > int< / span > offset = gid.y * axis_size * stride;< / div >
< div class = "line" > < a id = "l00351" name = "l00351" > < / a > < span class = "lineno" > 351< / span > < span class = "keywordtype" > int< / span > global_index_x = gid.x * lsize.y * N_READS;< / div >
< div class = "line" > < a id = "l00352" name = "l00352" > < / a > < span class = "lineno" > 352< / span > < / div >
< div class = "line" > < a id = "l00353" name = "l00353" > < / a > < span class = "lineno" > 353< / span > < span class = "keywordflow" > for< / span > (uint j = 0; j < axis_size; j += < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > ) {< / div >
< div class = "line" > < a id = "l00354" name = "l00354" > < / a > < span class = "lineno" > 354< / span > < span class = "comment" > // Calculate the indices for the current thread< / span > < / div >
< div class = "line" > < a id = "l00355" name = "l00355" > < / a > < span class = "lineno" > 355< / span > uint index_y = j + lid.y;< / div >
< div class = "line" > < a id = "l00356" name = "l00356" > < / a > < span class = "lineno" > 356< / span > uint check_index_y = index_y;< / div >
< div class = "line" > < a id = "l00357" name = "l00357" > < / a > < span class = "lineno" > 357< / span > uint index_x = global_index_x + lid.x * N_READS;< / div >
< div class = "line" > < a id = "l00358" name = "l00358" > < / a > < span class = "lineno" > 358< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00359" name = "l00359" > < / a > < span class = "lineno" > 359< / span > index_y = axis_size - 1 - index_y;< / div >
< div class = "line" > < a id = "l00360" name = "l00360" > < / a > < span class = "lineno" > 360< / span > }< / div >
< div class = "line" > < a id = "l00361" name = "l00361" > < / a > < span class = "lineno" > 361< / span > < / div >
< div class = "line" > < a id = "l00362" name = "l00362" > < / a > < span class = "lineno" > 362< / span > < span class = "comment" > // Read in SM< / span > < / div >
< div class = "line" > < a id = "l00363" name = "l00363" > < / a > < span class = "lineno" > 363< / span > < span class = "keywordflow" > if< / span > (check_index_y < axis_size & & (index_x + N_READS) < stride) {< / div >
< div class = "line" > < a id = "l00364" name = "l00364" > < / a > < span class = "lineno" > 364< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00365" name = "l00365" > < / a > < span class = "lineno" > 365< / span > read_buffer[lid.y * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.x * N_READS + i] =< / div >
< div class = "line" > < a id = "l00366" name = "l00366" > < / a > < span class = "lineno" > 366< / span > in[offset + index_y * stride + index_x + i];< / div >
< div class = "line" > < a id = "l00367" name = "l00367" > < / a > < span class = "lineno" > 367< / span > }< / div >
< div class = "line" > < a id = "l00368" name = "l00368" > < / a > < span class = "lineno" > 368< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00369" name = "l00369" > < / a > < span class = "lineno" > 369< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00370" name = "l00370" > < / a > < span class = "lineno" > 370< / span > < span class = "keywordflow" > if< / span > (check_index_y < axis_size & & (index_x + i) < stride) {< / div >
< div class = "line" > < a id = "l00371" name = "l00371" > < / a > < span class = "lineno" > 371< / span > read_buffer[lid.y * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.x * N_READS + i] =< / div >
< div class = "line" > < a id = "l00372" name = "l00372" > < / a > < span class = "lineno" > 372< / span > in[offset + index_y * stride + index_x + i];< / div >
< div class = "line" > < a id = "l00373" name = "l00373" > < / a > < span class = "lineno" > 373< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00374" name = "l00374" > < / a > < span class = "lineno" > 374< / span > read_buffer[lid.y * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.x * N_READS + i] =< / div >
< div class = "line" > < a id = "l00375" name = "l00375" > < / a > < span class = "lineno" > 375< / span > Op::init;< / div >
< div class = "line" > < a id = "l00376" name = "l00376" > < / a > < span class = "lineno" > 376< / span > }< / div >
< div class = "line" > < a id = "l00377" name = "l00377" > < / a > < span class = "lineno" > 377< / span > }< / div >
< div class = "line" > < a id = "l00378" name = "l00378" > < / a > < span class = "lineno" > 378< / span > }< / div >
< div class = "line" > < a id = "l00379" name = "l00379" > < / a > < span class = "lineno" > 379< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00380" name = "l00380" > < / a > < span class = "lineno" > 380< / span > < / div >
< div class = "line" > < a id = "l00381" name = "l00381" > < / a > < span class = "lineno" > 381< / span > < span class = "comment" > // Read strided into registers< / span > < / div >
< div class = "line" > < a id = "l00382" name = "l00382" > < / a > < span class = "lineno" > 382< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00383" name = "l00383" > < / a > < span class = "lineno" > 383< / span > values[i] =< / div >
< div class = "line" > < a id = "l00384" name = "l00384" > < / a > < span class = "lineno" > 384< / span > read_buffer[lid.x * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.y * N_READS + i];< / div >
< div class = "line" > < a id = "l00385" name = "l00385" > < / a > < span class = "lineno" > 385< / span > }< / div >
< div class = "line" > < a id = "l00386" name = "l00386" > < / a > < span class = "lineno" > 386< / span > < span class = "comment" > // Do we need the following barrier? Shouldn' t all simd threads execute< / span > < / div >
< div class = "line" > < a id = "l00387" name = "l00387" > < / a > < span class = "lineno" > 387< / span > < span class = "comment" > // simultaneously?< / span > < / div >
< div class = "line" > < a id = "l00388" name = "l00388" > < / a > < span class = "lineno" > 388< / span > simdgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00389" name = "l00389" > < / a > < span class = "lineno" > 389< / span > < / div >
< div class = "line" > < a id = "l00390" name = "l00390" > < / a > < span class = "lineno" > 390< / span > < span class = "comment" > // Perform the scan< / span > < / div >
< div class = "line" > < a id = "l00391" name = "l00391" > < / a > < span class = "lineno" > 391< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00392" name = "l00392" > < / a > < span class = "lineno" > 392< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > .simd_scan(values[i]);< / div >
< div class = "line" > < a id = "l00393" name = "l00393" > < / a > < span class = "lineno" > 393< / span > values[i] = < a class = "code hl_variable" href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > (values[i], prefix[i]);< / div >
< div class = "line" > < a id = "l00394" name = "l00394" > < / a > < span class = "lineno" > 394< / span > prefix[i] = simd_shuffle(values[i], < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > - 1);< / div >
< div class = "line" > < a id = "l00395" name = "l00395" > < / a > < span class = "lineno" > 395< / span > }< / div >
< div class = "line" > < a id = "l00396" name = "l00396" > < / a > < span class = "lineno" > 396< / span > < / div >
< div class = "line" > < a id = "l00397" name = "l00397" > < / a > < span class = "lineno" > 397< / span > < span class = "comment" > // Write to SM< / span > < / div >
< div class = "line" > < a id = "l00398" name = "l00398" > < / a > < span class = "lineno" > 398< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00399" name = "l00399" > < / a > < span class = "lineno" > 399< / span > read_buffer[lid.x * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.y * N_READS + i] =< / div >
< div class = "line" > < a id = "l00400" name = "l00400" > < / a > < span class = "lineno" > 400< / span > values[i];< / div >
< div class = "line" > < a id = "l00401" name = "l00401" > < / a > < span class = "lineno" > 401< / span > }< / div >
< div class = "line" > < a id = "l00402" name = "l00402" > < / a > < span class = "lineno" > 402< / span > threadgroup_barrier(mem_flags::mem_threadgroup);< / div >
< div class = "line" > < a id = "l00403" name = "l00403" > < / a > < span class = "lineno" > 403< / span > < / div >
< div class = "line" > < a id = "l00404" name = "l00404" > < / a > < span class = "lineno" > 404< / span > < span class = "comment" > // Write to device memory< / span > < / div >
< div class = "line" > < a id = "l00405" name = "l00405" > < / a > < span class = "lineno" > 405< / span > < span class = "keywordflow" > if< / span > (!inclusive) {< / div >
< div class = "line" > < a id = "l00406" name = "l00406" > < / a > < span class = "lineno" > 406< / span > < span class = "keywordflow" > if< / span > (check_index_y == 0) {< / div >
< div class = "line" > < a id = "l00407" name = "l00407" > < / a > < span class = "lineno" > 407< / span > < span class = "keywordflow" > if< / span > ((index_x + N_READS) < stride) {< / div >
< div class = "line" > < a id = "l00408" name = "l00408" > < / a > < span class = "lineno" > 408< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00409" name = "l00409" > < / a > < span class = "lineno" > 409< / span > out[offset + index_y * stride + index_x + i] = Op::init;< / div >
< div class = "line" > < a id = "l00410" name = "l00410" > < / a > < span class = "lineno" > 410< / span > }< / div >
< div class = "line" > < a id = "l00411" name = "l00411" > < / a > < span class = "lineno" > 411< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00412" name = "l00412" > < / a > < span class = "lineno" > 412< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00413" name = "l00413" > < / a > < span class = "lineno" > 413< / span > < span class = "keywordflow" > if< / span > ((index_x + i) < stride) {< / div >
< div class = "line" > < a id = "l00414" name = "l00414" > < / a > < span class = "lineno" > 414< / span > out[offset + index_y * stride + index_x + i] = Op::init;< / div >
< div class = "line" > < a id = "l00415" name = "l00415" > < / a > < span class = "lineno" > 415< / span > }< / div >
< div class = "line" > < a id = "l00416" name = "l00416" > < / a > < span class = "lineno" > 416< / span > }< / div >
< div class = "line" > < a id = "l00417" name = "l00417" > < / a > < span class = "lineno" > 417< / span > }< / div >
< div class = "line" > < a id = "l00418" name = "l00418" > < / a > < span class = "lineno" > 418< / span > }< / div >
< div class = "line" > < a id = "l00419" name = "l00419" > < / a > < span class = "lineno" > 419< / span > < span class = "keywordflow" > if< / span > (reverse) {< / div >
< div class = "line" > < a id = "l00420" name = "l00420" > < / a > < span class = "lineno" > 420< / span > index_y -= 1;< / div >
< div class = "line" > < a id = "l00421" name = "l00421" > < / a > < span class = "lineno" > 421< / span > check_index_y += 1;< / div >
< div class = "line" > < a id = "l00422" name = "l00422" > < / a > < span class = "lineno" > 422< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00423" name = "l00423" > < / a > < span class = "lineno" > 423< / span > index_y += 1;< / div >
< div class = "line" > < a id = "l00424" name = "l00424" > < / a > < span class = "lineno" > 424< / span > check_index_y += 1;< / div >
< div class = "line" > < a id = "l00425" name = "l00425" > < / a > < span class = "lineno" > 425< / span > }< / div >
< div class = "line" > < a id = "l00426" name = "l00426" > < / a > < span class = "lineno" > 426< / span > }< / div >
< div class = "line" > < a id = "l00427" name = "l00427" > < / a > < span class = "lineno" > 427< / span > < span class = "keywordflow" > if< / span > (check_index_y < axis_size & & (index_x + N_READS) < stride) {< / div >
< div class = "line" > < a id = "l00428" name = "l00428" > < / a > < span class = "lineno" > 428< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00429" name = "l00429" > < / a > < span class = "lineno" > 429< / span > out[offset + index_y * stride + index_x + i] =< / div >
< div class = "line" > < a id = "l00430" name = "l00430" > < / a > < span class = "lineno" > 430< / span > read_buffer[lid.y * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.x * N_READS + i];< / div >
< div class = "line" > < a id = "l00431" name = "l00431" > < / a > < span class = "lineno" > 431< / span > }< / div >
< div class = "line" > < a id = "l00432" name = "l00432" > < / a > < span class = "lineno" > 432< / span > } < span class = "keywordflow" > else< / span > {< / div >
< div class = "line" > < a id = "l00433" name = "l00433" > < / a > < span class = "lineno" > 433< / span > < span class = "keywordflow" > for< / span > (< span class = "keywordtype" > int< / span > i = 0; i < N_READS; i++) {< / div >
< div class = "line" > < a id = "l00434" name = "l00434" > < / a > < span class = "lineno" > 434< / span > < span class = "keywordflow" > if< / span > (check_index_y < axis_size & & (index_x + i) < stride) {< / div >
< div class = "line" > < a id = "l00435" name = "l00435" > < / a > < span class = "lineno" > 435< / span > out[offset + index_y * stride + index_x + i] =< / div >
< div class = "line" > < a id = "l00436" name = "l00436" > < / a > < span class = "lineno" > 436< / span > read_buffer[lid.y * < a class = "code hl_variable" href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > * N_READS + lid.x * N_READS + i];< / div >
< div class = "line" > < a id = "l00437" name = "l00437" > < / a > < span class = "lineno" > 437< / span > }< / div >
< div class = "line" > < a id = "l00438" name = "l00438" > < / a > < span class = "lineno" > 438< / span > }< / div >
< div class = "line" > < a id = "l00439" name = "l00439" > < / a > < span class = "lineno" > 439< / span > }< / div >
< div class = "line" > < a id = "l00440" name = "l00440" > < / a > < span class = "lineno" > 440< / span > }< / div >
< div class = "line" > < a id = "l00441" name = "l00441" > < / a > < span class = "lineno" > 441< / span > }< / div >
< / div >
2024-08-24 03:14:53 +08:00
< div class = "ttc" id = "abackend_2metal_2kernels_2reduction_2ops_8h_html_a515b75d563a93d3c09ee677948dc83e3" > < div class = "ttname" > < a href = "backend_2metal_2kernels_2reduction_2ops_8h.html#a515b75d563a93d3c09ee677948dc83e3" > simd_size< / a > < / div > < div class = "ttdeci" > static constant constexpr const uint8_t simd_size< / div > < div class = "ttdef" > < b > Definition< / b > ops.h:22< / div > < / div >
< div class = "ttc" id = "abackend_2metal_2kernels_2utils_8h_html_a8e5a4b0fb5d018d7b078d147efe4f1e3" > < div class = "ttname" > < a href = "backend_2metal_2kernels_2utils_8h.html#a8e5a4b0fb5d018d7b078d147efe4f1e3" > ceildiv< / a > < / div > < div class = "ttdeci" > T ceildiv(T N, U M)< / div > < div class = "ttdoc" > Compute ceil((float)N/(float)M)< / div > < div class = "ttdef" > < b > Definition< / b > utils.h:409< / div > < / div >
2024-06-07 11:28:06 +08:00
< div class = "ttc" id = "acommon_2binary_8h_html_a70228731d29946574b238d21fb4b360c" > < div class = "ttname" > < a href = "common_2binary_8h.html#a70228731d29946574b238d21fb4b360c" > op< / a > < / div > < div class = "ttdeci" > Op op< / div > < div class = "ttdef" > < b > Definition< / b > binary.h:141< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_a1f9c197dc09641f3fbb2e886c85b0675" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#a1f9c197dc09641f3fbb2e886c85b0675" > contiguous_scan< / a > < / div > < div class = "ttdeci" > void contiguous_scan(const device T *in, device U *out, const constant size_t & axis_size, uint gid, uint lid, uint lsize, uint simd_size, uint simd_lane_id, uint simd_group_id)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:177< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_a8010e7bdf7a72cbd35ce7cd7ecb08e32" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#a8010e7bdf7a72cbd35ce7cd7ecb08e32" > write_unsafe< / a > < / div > < div class = "ttdeci" > void write_unsafe(U values[N_READS], device U *out)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:141< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_a9c415d07921f3961bad0a00a34f4a9a3" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#a9c415d07921f3961bad0a00a34f4a9a3" > load_unsafe< / a > < / div > < div class = "ttdeci" > void load_unsafe(U values[N_READS], const device T *input)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:109< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_ae86aef08e5ebc8790031eb51eefa754c" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#ae86aef08e5ebc8790031eb51eefa754c" > write_safe< / a > < / div > < div class = "ttdeci" > void write_safe(U values[N_READS], device U *out, int start, int total)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:154< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_ae8eb101e538b85f8a4bcf451489ae0ac" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#ae8eb101e538b85f8a4bcf451489ae0ac" > load_safe< / a > < / div > < div class = "ttdeci" > void load_safe(U values[N_READS], const device T *input, int start, int total, U init)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:122< / div > < / div >
< div class = "ttc" id = "akernels_2scan_8h_html_aef54ac73154fb9024eda760a9dfde607" > < div class = "ttname" > < a href = "kernels_2scan_8h.html#aef54ac73154fb9024eda760a9dfde607" > strided_scan< / a > < / div > < div class = "ttdeci" > void strided_scan(const device T *in, device U *out, const constant size_t & axis_size, const constant size_t & stride, uint2 gid, uint2 lid, uint2 lsize, uint simd_size)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:330< / div > < / div >
< div class = "ttc" id = "astruct_cum_max_html" > < div class = "ttname" > < a href = "struct_cum_max.html" > CumMax< / a > < / div > < div class = "ttdef" > < b > Definition< / b > scan.h:63< / div > < / div >
< div class = "ttc" id = "astruct_cum_max_html_a16480052a2eeb4340e546838aab59cc4" > < div class = "ttname" > < a href = "struct_cum_max.html#a16480052a2eeb4340e546838aab59cc4" > CumMax::init< / a > < / div > < div class = "ttdeci" > static constexpr constant U init< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:64< / div > < / div >
< div class = "ttc" id = "astruct_cum_max_html_a781b9b955c5412466da6af6c70d73c06" > < div class = "ttname" > < a href = "struct_cum_max.html#a781b9b955c5412466da6af6c70d73c06" > CumMax::operator()< / a > < / div > < div class = "ttdeci" > U operator()(U a, T b)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:67< / div > < / div >
< div class = "ttc" id = "astruct_cum_max_html_adc9ec8bb09b4433d4c2f03022c43d781" > < div class = "ttname" > < a href = "struct_cum_max.html#adc9ec8bb09b4433d4c2f03022c43d781" > CumMax::simd_scan< / a > < / div > < div class = "ttdeci" > U simd_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:71< / div > < / div >
< div class = "ttc" id = "astruct_cum_max_html_ae11b67aa6c998e9a01615b2a79af4403" > < div class = "ttname" > < a href = "struct_cum_max.html#ae11b67aa6c998e9a01615b2a79af4403" > CumMax::simd_exclusive_scan< / a > < / div > < div class = "ttdeci" > U simd_exclusive_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:79< / div > < / div >
< div class = "ttc" id = "astruct_cum_min_html" > < div class = "ttname" > < a href = "struct_cum_min.html" > CumMin< / a > < / div > < div class = "ttdef" > < b > Definition< / b > scan.h:86< / div > < / div >
< div class = "ttc" id = "astruct_cum_min_html_a0a1005d91b1c90e90e2c6dbd6c296649" > < div class = "ttname" > < a href = "struct_cum_min.html#a0a1005d91b1c90e90e2c6dbd6c296649" > CumMin::simd_scan< / a > < / div > < div class = "ttdeci" > U simd_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:94< / div > < / div >
< div class = "ttc" id = "astruct_cum_min_html_a83e65017ff33018b585c043fb803773b" > < div class = "ttname" > < a href = "struct_cum_min.html#a83e65017ff33018b585c043fb803773b" > CumMin::simd_exclusive_scan< / a > < / div > < div class = "ttdeci" > U simd_exclusive_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:102< / div > < / div >
< div class = "ttc" id = "astruct_cum_min_html_a8b67f739c620d0cc194b533190990ab9" > < div class = "ttname" > < a href = "struct_cum_min.html#a8b67f739c620d0cc194b533190990ab9" > CumMin::init< / a > < / div > < div class = "ttdeci" > static constexpr constant U init< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:87< / div > < / div >
< div class = "ttc" id = "astruct_cum_min_html_ae0b8c3761e04fa538d304ca842281a66" > < div class = "ttname" > < a href = "struct_cum_min.html#ae0b8c3761e04fa538d304ca842281a66" > CumMin::operator()< / a > < / div > < div class = "ttdeci" > U operator()(U a, T b)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:90< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_3_01bool_01_4_html_a1a86e9398bae24182b7be0a6577bf223" > < div class = "ttname" > < a href = "struct_cum_prod_3_01bool_01_4.html#a1a86e9398bae24182b7be0a6577bf223" > CumProd< bool > ::simd_exclusive_scan< / a > < / div > < div class = "ttdeci" > bool simd_exclusive_scan(bool x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:56< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_3_01bool_01_4_html_abeb5ec4237b330e7219f4e881cf10d7a" > < div class = "ttname" > < a href = "struct_cum_prod_3_01bool_01_4.html#abeb5ec4237b330e7219f4e881cf10d7a" > CumProd< bool > ::simd_scan< / a > < / div > < div class = "ttdeci" > bool simd_scan(bool x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:48< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_3_01bool_01_4_html_ad634be0b139d10ce6d21332eef0d936b" > < div class = "ttname" > < a href = "struct_cum_prod_3_01bool_01_4.html#ad634be0b139d10ce6d21332eef0d936b" > CumProd< bool > ::operator()< / a > < / div > < div class = "ttdeci" > bool operator()(bool a, T b)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:44< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_html" > < div class = "ttname" > < a href = "struct_cum_prod.html" > CumProd< / a > < / div > < div class = "ttdef" > < b > Definition< / b > scan.h:22< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_html_a5b0577295853a48856b84fd4f935dff8" > < div class = "ttname" > < a href = "struct_cum_prod.html#a5b0577295853a48856b84fd4f935dff8" > CumProd::simd_exclusive_scan< / a > < / div > < div class = "ttdeci" > U simd_exclusive_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:34< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_html_a860dbf6146de088d07175bd165b74004" > < div class = "ttname" > < a href = "struct_cum_prod.html#a860dbf6146de088d07175bd165b74004" > CumProd::simd_scan< / a > < / div > < div class = "ttdeci" > U simd_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:30< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_html_acf2ae2daa84d477b413deea679cab9e5" > < div class = "ttname" > < a href = "struct_cum_prod.html#acf2ae2daa84d477b413deea679cab9e5" > CumProd::init< / a > < / div > < div class = "ttdeci" > static constexpr constant U init< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:23< / div > < / div >
< div class = "ttc" id = "astruct_cum_prod_html_af1ffa2672332ca27e287c3ba59c73e1e" > < div class = "ttname" > < a href = "struct_cum_prod.html#af1ffa2672332ca27e287c3ba59c73e1e" > CumProd::operator()< / a > < / div > < div class = "ttdeci" > U operator()(U a, T b)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:26< / div > < / div >
< div class = "ttc" id = "astruct_cum_sum_html" > < div class = "ttname" > < a href = "struct_cum_sum.html" > CumSum< / a > < / div > < div class = "ttdef" > < b > Definition< / b > scan.h:4< / div > < / div >
< div class = "ttc" id = "astruct_cum_sum_html_a64d1933942de4df2d44dd90e9e5e4460" > < div class = "ttname" > < a href = "struct_cum_sum.html#a64d1933942de4df2d44dd90e9e5e4460" > CumSum::simd_exclusive_scan< / a > < / div > < div class = "ttdeci" > U simd_exclusive_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:16< / div > < / div >
< div class = "ttc" id = "astruct_cum_sum_html_a83342af06f6a700067e3b451636852d6" > < div class = "ttname" > < a href = "struct_cum_sum.html#a83342af06f6a700067e3b451636852d6" > CumSum::simd_scan< / a > < / div > < div class = "ttdeci" > U simd_scan(U x)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:12< / div > < / div >
< div class = "ttc" id = "astruct_cum_sum_html_a987f7a15eded60081b74abc103d3054b" > < div class = "ttname" > < a href = "struct_cum_sum.html#a987f7a15eded60081b74abc103d3054b" > CumSum::init< / a > < / div > < div class = "ttdeci" > static constexpr constant U init< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:5< / div > < / div >
< div class = "ttc" id = "astruct_cum_sum_html_aacc713dde086ef04b54abb675131468e" > < div class = "ttname" > < a href = "struct_cum_sum.html#aacc713dde086ef04b54abb675131468e" > CumSum::operator()< / a > < / div > < div class = "ttdeci" > U operator()(U a, T b)< / div > < div class = "ttdef" > < b > Definition< / b > scan.h:8< / div > < / div >
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