45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
#include "sn_intrinsic.h"
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// Matrix transpose implementations
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DECLARE_KER_PROC_RIGHT_ANS(float, sse, transpose)
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{
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register __m128 col0 = right->xmm[0];
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register __m128 col1 = right->xmm[1];
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register __m128 col2 = right->xmm[2];
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register __m128 col3 = right->xmm[3];
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register __m128 tmp0 = _mm_unpacklo_ps(col0, col1);
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register __m128 tmp1 = _mm_unpackhi_ps(col0, col1);
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register __m128 tmp2 = _mm_unpacklo_ps(col2, col3);
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register __m128 tmp3 = _mm_unpackhi_ps(col2, col3);
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ans->xmm[0] = _mm_movelh_ps(tmp0, tmp2);
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ans->xmm[1] = _mm_movehl_ps(tmp2, tmp0);
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ans->xmm[2] = _mm_movelh_ps(tmp1, tmp3);
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ans->xmm[3] = _mm_movehl_ps(tmp3, tmp1);
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}
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DECLARE_KER_PROC_RIGHT_ANS(float, avx, transpose)
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{
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register __m256 col_low = right->ymm[0];
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register __m256 col_high = right->ymm[1];
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register __m256 unpack_low = _mm256_unpacklo_ps(col_low, col_high);
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register __m256 unpack_high = _mm256_unpackhi_ps(col_low, col_high);
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col_low = _mm256_permute2f128_ps(unpack_low, unpack_high, 0x20);
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col_high = _mm256_permute2f128_ps(unpack_low, unpack_high, 0x31);
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ans->ymm[0] = _mm256_shuffle_ps(col_high, col_low, _MM_SHUFFLE(2, 0, 2, 0));
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ans->ymm[1] = _mm256_shuffle_ps(col_high, col_low, _MM_SHUFFLE(3, 1, 3, 1));
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}
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DECLARE_KER_PROC_RIGHT_ANS(float, 512, transpose)
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{
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register __m512 matrix = right->zmm[0];
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const __m512i transpose_indices =
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_mm512_setr_epi32(0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15);
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ans->zmm[0] = _mm512_permutexvar_ps(transpose_indices, matrix);
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}
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