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Fast Hadamard Transform (#1249)

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* Working hadamard for powers of 2

* working for m*2^k

* add scale and check contiguity

* add size check

* clean up

* fix test

* add grads + vmap

* gpu only

* skip on linux

* test typo

* add cpu impl

* remove gpu only tests

* fix linux build + add is_equivalent
This commit is contained in:
Alex Barron
2024-07-09 20:39:01 -07:00
committed by GitHub
parent 03cf033f82
commit a3c287354f
22 changed files with 878 additions and 11 deletions
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11
mlx/backend/metal/utils.h
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@@ -130,17 +130,6 @@ inline void debug_set_primitive_buffer_label(
#endif
}
bool is_power_of_2(int n) {
return ((n & (n - 1)) == 0) && n != 0;
}
int next_power_of_2(int n) {
if (is_power_of_2(n)) {
return n;
}
return pow(2, std::ceil(std::log2(n)));
}
std::string get_primitive_string(Primitive* primitive) {
std::ostringstream op_t;
primitive->print(op_t);