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FMA-avx512-f64 kernel use half-vector-machine design

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Nitload
2026-06-08 01:02:34 +08:00
parent 4336b0ca5a
commit 1c515ea2ae
5 changed files with 51 additions and 34 deletions
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StgSharp.Native/sn-template/sn_template.fma.x86.h
+16
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@@ -18,6 +18,14 @@
c3 = _mm256_fmadd_ps(c3, a3, _mm256_permute_ps(b3, _FMA_SELECT(i))); \
} while (0)
#define SN_MK_FMA_F64_AVX2_CYCLE(i) \
do { \
c0 = _mm512_fmadd_ps(c0, a0, _mm512_permutex_pd(b0, _FMA_SELECT(i))); \
c1 = _mm512_fmadd_ps(c1, a1, _mm512_permutex_pd(b1, _FMA_SELECT(i))); \
c2 = _mm512_fmadd_ps(c2, a2, _mm512_permutex_pd(b2, _FMA_SELECT(i))); \
c3 = _mm512_fmadd_ps(c3, a3, _mm512_permutex_pd(b3, _FMA_SELECT(i))); \
} while (0)
#define SN_FMA_512_PACK_COLUMN(col, target) \
do { \
register __m256 low = _mm512_castps512_ps256(col); \
@@ -29,6 +37,14 @@
_mm_store_ps(target, half128); \
} while (0)
#define SN_FMA_F64_AVX2_PACK_COLUMN(col, target) \
do { \
register __m128 high128 = _mm256_extractf32x4_ps(col, 1); \
register __m128 low128 = _mm256_castps256_ps128(col); \
register __m128 half128 = _mm_add_ps(high128, low128); \
_mm_store_ps(target, half128); \
} while (0)
#define SN_FMA_AVX2_PACK_COLUMN(col, target) \
do { \
register __m128 high128 = _mm256_extractf32x4_ps(col, 1); \