ops.h File Reference

#include <metal_atomic>
#include <metal_simdgroup>

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Classes
union	bool4_or_uint
struct	None
struct	And< U >
struct	Or< U >
struct	Sum< U >
struct	Prod< U >
struct	Min< U >
struct	Max< U >

Macros
#define	DEFINE_SIMD_REDUCE()

Variables
static constant constexpr const uint8_t	simd_size = 32

Macro Definition Documentation

DEFINE_SIMD_REDUCE

#define DEFINE_SIMD_REDUCE

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Value:

  template <typename T, metal::enable_if_t<sizeof(T) < 8, bool> = true>  \
  T simd_reduce(T val) {                                                 \
    return simd_reduce_impl(val);                                        \
  }                                                                      \
                                                                         \
  template <typename T, metal::enable_if_t<sizeof(T) == 8, bool> = true> \
  T simd_reduce(T val) {                                                 \
    for (short i = simd_size / 2; i > 0; i /= 2) {                       \
      val = operator()(val, simd_shuffle_down(val, i));                  \
    }                                                                    \
    return val;                                                          \
  }

Variable Documentation

simd_size

constant constexpr const uint8_t simd_size = 32

staticconstexpr