| // Auto-generated file. Do not edit! |
| // Template: src/qs8-igemm/MRx8c8-avx2.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2020 Google LLC |
| // |
| // This source code is licensed under the BSD-style license found in the |
| // LICENSE file in the root directory of this source tree. |
| |
| #include <assert.h> |
| |
| #include <immintrin.h> |
| |
| #include <xnnpack/igemm.h> |
| #include <xnnpack/intrinsics-polyfill.h> |
| #include <xnnpack/math.h> |
| |
| |
| void xnn_qc8_igemm_minmax_fp32_ukernel_2x8c8__avx2( |
| size_t mr, |
| size_t nc, |
| size_t kc, |
| size_t ks, |
| const int8_t** restrict a, |
| const void* restrict w, |
| int8_t* restrict c, |
| size_t cm_stride, |
| size_t cn_stride, |
| size_t a_offset, |
| const int8_t* zero, |
| const union xnn_qs8_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| { |
| assert(mr != 0); |
| assert(mr <= 2); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(ks != 0); |
| assert(ks % (2 * sizeof(void*)) == 0); |
| assert(a_offset % sizeof(int8_t) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| kc = round_up_po2(kc, 8); |
| int8_t* c0 = c; |
| int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr != 2) { |
| c1 = c0; |
| } |
| |
| do { |
| const __m128i vbias0x0 = _mm_loadu_si32(w); |
| const __m128i vbias0x1 = _mm_loadu_si32((const int32_t*) w + 1); |
| __m256i vacc0x01 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x0), vbias0x1, 1); |
| const __m128i vbias0x2 = _mm_loadu_si32((const int32_t*) w + 2); |
| const __m128i vbias0x3 = _mm_loadu_si32((const int32_t*) w + 3); |
| __m256i vacc0x23 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x2), vbias0x3, 1); |
| const __m128i vbias0x4 = _mm_loadu_si32((const int32_t*) w + 4); |
| const __m128i vbias0x5 = _mm_loadu_si32((const int32_t*) w + 5); |
| __m256i vacc0x45 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x4), vbias0x5, 1); |
| const __m128i vbias0x6 = _mm_loadu_si32((const int32_t*) w + 6); |
| const __m128i vbias0x7 = _mm_loadu_si32((const int32_t*) w + 7); |
| __m256i vacc0x67 = _mm256_inserti128_si256(_mm256_castsi128_si256(vbias0x6), vbias0x7, 1); |
| __m256i vacc1x01 = vacc0x01; |
| __m256i vacc1x23 = vacc0x23; |
| __m256i vacc1x45 = vacc0x45; |
| __m256i vacc1x67 = vacc0x67; |
| w = (const void*) ((const int32_t*) w + 8); |
| |
| size_t p = ks; |
| do { |
| const int8_t* restrict a0 = a[0]; |
| if XNN_UNPREDICTABLE(a0 != zero) { |
| a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| } |
| const int8_t* restrict a1 = a[1]; |
| if XNN_UNPREDICTABLE(a1 != zero) { |
| a1 = (const int8_t*) ((uintptr_t) a1 + a_offset); |
| } |
| a += 2; |
| |
| size_t k = 0; |
| while (k < kc) { |
| const __m128i va0 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a0)); |
| const __m256i vxa0 = _mm256_cvtepi8_epi16(va0); |
| a0 += 8; |
| const __m128i va1 = _mm_broadcastq_epi64(_mm_loadl_epi64((const __m128i*) a1)); |
| const __m256i vxa1 = _mm256_cvtepi8_epi16(va1); |
| a1 += 8; |
| |
| const __m128i vb01 = _mm_load_si128((const __m128i*) w); |
| const __m256i vxb01 = _mm256_cvtepi8_epi16(vb01); |
| |
| vacc0x01 = _mm256_add_epi32(vacc0x01, _mm256_madd_epi16(vxa0, vxb01)); |
| vacc1x01 = _mm256_add_epi32(vacc1x01, _mm256_madd_epi16(vxa1, vxb01)); |
| const __m128i vb23 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 16)); |
| const __m256i vxb23 = _mm256_cvtepi8_epi16(vb23); |
| |
| vacc0x23 = _mm256_add_epi32(vacc0x23, _mm256_madd_epi16(vxa0, vxb23)); |
| vacc1x23 = _mm256_add_epi32(vacc1x23, _mm256_madd_epi16(vxa1, vxb23)); |
| const __m128i vb45 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 32)); |
| const __m256i vxb45 = _mm256_cvtepi8_epi16(vb45); |
| |
| vacc0x45 = _mm256_add_epi32(vacc0x45, _mm256_madd_epi16(vxa0, vxb45)); |
| vacc1x45 = _mm256_add_epi32(vacc1x45, _mm256_madd_epi16(vxa1, vxb45)); |
| const __m128i vb67 = _mm_load_si128((const __m128i*) ((const int8_t*) w + 48)); |
| const __m256i vxb67 = _mm256_cvtepi8_epi16(vb67); |
| |
| vacc0x67 = _mm256_add_epi32(vacc0x67, _mm256_madd_epi16(vxa0, vxb67)); |
| vacc1x67 = _mm256_add_epi32(vacc1x67, _mm256_madd_epi16(vxa1, vxb67)); |
| |
| w = (const void*) ((const int8_t*) w + 64); |
| k += 8 * sizeof(int8_t); |
| } |
| p -= 2 * sizeof(void*); |
| } while (p != 0); |
| |
| const __m256i vacc0x0213 = _mm256_hadd_epi32(vacc0x01, vacc0x23); |
| const __m256i vacc0x4657 = _mm256_hadd_epi32(vacc0x45, vacc0x67); |
| const __m256i vacc1x0213 = _mm256_hadd_epi32(vacc1x01, vacc1x23); |
| const __m256i vacc1x4657 = _mm256_hadd_epi32(vacc1x45, vacc1x67); |
| |
| const __m256i vacc0x02461357 = _mm256_hadd_epi32(vacc0x0213, vacc0x4657); |
| const __m256i vacc1x02461357 = _mm256_hadd_epi32(vacc1x0213, vacc1x4657); |
| |
| const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 6, 2, 5, 1, 4, 0); |
| __m256i vacc0x01234567 = _mm256_permutevar8x32_epi32(vacc0x02461357, vpermute_mask); |
| __m256i vacc1x01234567 = _mm256_permutevar8x32_epi32(vacc1x02461357, vpermute_mask); |
| |
| __m256 vscaled0x01234567 = _mm256_cvtepi32_ps(vacc0x01234567); |
| __m256 vscaled1x01234567 = _mm256_cvtepi32_ps(vacc1x01234567); |
| |
| const __m256 vscale01234567 = _mm256_load_ps(w); |
| w = (const void*) ((const float*) w + 8); |
| vscaled0x01234567 = _mm256_mul_ps(vscaled0x01234567, vscale01234567); |
| vscaled1x01234567 = _mm256_mul_ps(vscaled1x01234567, vscale01234567); |
| |
| vacc0x01234567 = _mm256_cvtps_epi32(vscaled0x01234567); |
| vacc1x01234567 = _mm256_cvtps_epi32(vscaled1x01234567); |
| |
| const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->avx2.output_zero_point); |
| __m256i vacc01x01234567 = _mm256_adds_epi16(_mm256_packs_epi32(vacc0x01234567, vacc1x01234567), voutput_zero_point); |
| |
| vacc01x01234567 = _mm256_permute4x64_epi64(vacc01x01234567, _MM_SHUFFLE(3, 1, 2, 0)); |
| |
| __m256i vout = _mm256_packs_epi16(vacc01x01234567, vacc01x01234567); |
| |
| vout = _mm256_max_epi8(vout, _mm256_load_si256((const __m256i*) params->avx2.output_min)); |
| vout = _mm256_min_epi8(vout, _mm256_load_si256((const __m256i*) params->avx2.output_max)); |
| |
| __m128i vout_lo = _mm256_castsi256_si128(vout); |
| __m128i vout_hi = _mm256_extracti128_si256(vout, 1); |
| |
| if (nc >= 8) { |
| _mm_storel_epi64((__m128i*) c1, vout_hi); |
| _mm_storel_epi64((__m128i*) c0, vout_lo); |
| |
| c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| |
| a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| |
| nc -= 8; |
| } else { |
| if (nc & 4) { |
| _mm_storeu_si32(c1, vout_hi); |
| _mm_storeu_si32(c0, vout_lo); |
| |
| c1 += 4; |
| c0 += 4; |
| |
| vout_lo = _mm_srli_epi64(vout_lo, 32); |
| vout_hi = _mm_srli_epi64(vout_hi, 32); |
| } |
| if (nc & 2) { |
| *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout_hi, 0); |
| *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout_lo, 0); |
| |
| c1 += 2; |
| c0 += 2; |
| |
| vout_lo = _mm_srli_epi32(vout_lo, 16); |
| vout_hi = _mm_srli_epi32(vout_hi, 16); |
| } |
| if (nc & 1) { |
| *c1 = (int8_t) _mm_extract_epi8(vout_hi, 0); |
| *c0 = (int8_t) _mm_extract_epi8(vout_lo, 0); |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |