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Build a list of whats on the surface

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paboyle
2017-04-24 17:06:15 +01:00
parent 916e9e1d3e
commit 56277a11c8
5 changed files with 101 additions and 13 deletions
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10
lib/simd/Grid_avx.h
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@ -473,12 +473,12 @@ namespace Optimization {
#define USE_FP16
struct PrecisionChange {
static inline __m256i StoH (__m256 a,__m256 b) {
__m256 h;
__m256i h;
#ifdef USE_FP16
__m128i ha = _mm256_cvtps_ph(a,0);
__m128i hb = _mm256_cvtps_ph(b,0);
h = _mm256_castps128_ps256(ha);
h = _mm256_insertf128_ps(h,hb,1);
h =(__m256i) _mm256_castps128_ps256((__m128)ha);
h =(__m256i) _mm256_insertf128_ps((__m256)h,(__m128)hb,1);
#else
assert(0);
#endif
@ -486,8 +486,8 @@ namespace Optimization {
}
static inline void HtoS (__m256i h,__m256 &sa,__m256 &sb) {
#ifdef USE_FP16
sa = _mm256_cvtph_ps(_mm256_extractf128_ps(h,0));
sb = _mm256_cvtph_ps(_mm256_extractf128_ps(h,1));
sa = _mm256_cvtph_ps((__m128i)_mm256_extractf128_ps((__m256)h,0));
sb = _mm256_cvtph_ps((__m128i)_mm256_extractf128_ps((__m256)h,1));
#else
assert(0);
#endif