54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
#include "sn_target.h"
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#if SN_IS_ARCH(SN_ARCH_X86_64)
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#include "sn_intrinsic.h"
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#include "sn_intrinsic.context.x86.h"
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#include "sn_intrinsic.std.h"
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// Matrix transpose implementations
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SN_MK_PROC_DECL_STD(float, sse, , transpose)
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{
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register __m128 col0 = right->f32_x[0];
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register __m128 col1 = right->f32_x[1];
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register __m128 col2 = right->f32_x[2];
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register __m128 col3 = right->f32_x[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->f32_x[0] = _mm_movelh_ps(tmp0, tmp2);
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ans->f32_x[1] = _mm_movehl_ps(tmp2, tmp0);
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ans->f32_x[2] = _mm_movelh_ps(tmp1, tmp3);
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ans->f32_x[3] = _mm_movehl_ps(tmp3, tmp1);
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}
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SN_MK_PROC_DECL_STD(float, avx, , transpose)
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{
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register __m256 col_low = right->f32_y[0];
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register __m256 col_high = right->f32_y[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->f32_y[0] = _mm256_shuffle_ps(col_high, col_low, _MM_SHUFFLE(2, 0, 2, 0));
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ans->f32_y[1] = _mm256_shuffle_ps(col_high, col_low, _MM_SHUFFLE(3, 1, 3, 1));
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}
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SN_MK_PROC_DECL_STD(float, 512, , transpose)
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{
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register __m512 matrix = right->f32_z[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->f32_z[0] = _mm512_permutexvar_ps(transpose_indices, matrix);
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}
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#endif
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