| // Auto-generated file. Do not edit! |
| // Template: src/qs8-igemm/MRx16c8-avx512skx.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_qs8_igemm_minmax_gemmlowp_ukernel_1x16c8__avx512skx( |
| 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_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN XNN_DISABLE_MSAN |
| { |
| assert(mr != 0); |
| assert(mr <= 1); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(kc % sizeof(int8_t) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| kc = round_up_po2(kc, 8); |
| int8_t* c0 = c; |
| |
| const __mmask16 vbias_mask = _cvtu32_mask16(0x1111); |
| const __mmask16 vblend_mask = _cvtu32_mask16(0xAAAA); |
| const __m512i vmultiplier = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.multiplier)); |
| const __m512i vrounding = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.rounding)); |
| const __m512i vremainder_mask = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.remainder_mask)); |
| const __m512i vremainder_threshold = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.remainder_threshold)); |
| const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift); |
| const __m256i voutput_zero_point = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse4.output_zero_point)); |
| const __m128i voutput_min = _mm_load_si128((const __m128i*) params->sse4.output_min); |
| const __m128i voutput_max = _mm_load_si128((const __m128i*) params->sse4.output_max); |
| do { |
| __m512i vacc0x0123 = _mm512_maskz_expandloadu_epi32(vbias_mask, w); |
| __m512i vacc0x4567 = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 4 * sizeof(int32_t))); |
| __m512i vacc0x89AB = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 8 * sizeof(int32_t))); |
| __m512i vacc0xCDEF = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 12 * sizeof(int32_t))); |
| w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t)); |
| |
| 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); |
| } |
| a += 1; |
| |
| size_t k = 0; |
| while (k < kc) { |
| const __m512i va0 = _mm512_broadcast_i32x4(_mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) a0))); |
| a0 += 8; |
| |
| const __m512i vb0123 = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) w)); |
| |
| vacc0x0123 = _mm512_add_epi32(vacc0x0123, _mm512_madd_epi16(va0, vb0123)); |
| const __m512i vb4567 = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 32 * sizeof(int8_t)))); |
| |
| vacc0x4567 = _mm512_add_epi32(vacc0x4567, _mm512_madd_epi16(va0, vb4567)); |
| const __m512i vb89AB = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 64 * sizeof(int8_t)))); |
| |
| vacc0x89AB = _mm512_add_epi32(vacc0x89AB, _mm512_madd_epi16(va0, vb89AB)); |
| const __m512i vbCDEF = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 96 * sizeof(int8_t)))); |
| |
| vacc0xCDEF = _mm512_add_epi32(vacc0xCDEF, _mm512_madd_epi16(va0, vbCDEF)); |
| |
| w = (const void*) ((uintptr_t) w + 128 * sizeof(int8_t)); |
| k += 8 * sizeof(int8_t); |
| } |
| p -= 1 * sizeof(void*); |
| } while (p != 0); |
| |
| const __m512i vacc0x04152637 = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x0123, vacc0x4567), _mm512_unpackhi_epi32(vacc0x0123, vacc0x4567)); |
| const __m512i vacc0x8C9DAEBF = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x89AB, vacc0xCDEF), _mm512_unpackhi_epi32(vacc0x89AB, vacc0xCDEF)); |
| |
| __m512i vacc0x084C195D2A6E3B7F = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x04152637, vacc0x8C9DAEBF), _mm512_unpackhi_epi32(vacc0x04152637, vacc0x8C9DAEBF)); |
| |
| const __m512i vacc0x88CC99DDAAEEBBFF = _mm512_shuffle_epi32(vacc0x084C195D2A6E3B7F, _MM_SHUFFLE(3, 3, 1, 1)); |
| |
| const __m512i vprod0x04152637 = _mm512_add_epi64(_mm512_mul_epi32(vacc0x084C195D2A6E3B7F, vmultiplier), vrounding); |
| |
| const __m512i vprod0x8C9DAEBF = _mm512_add_epi64(_mm512_mul_epi32(vacc0x88CC99DDAAEEBBFF, vmultiplier), vrounding); |
| |
| const __m512i vq31prod0x04152637 = _mm512_srli_epi64(vprod0x04152637, 31); |
| const __m512i vq31prod0x8C9DAEBF = _mm512_add_epi64(vprod0x8C9DAEBF, vprod0x8C9DAEBF); |
| |
| const __m512i vq31prod0x084C195D2A6E3B7F = _mm512_mask_blend_epi32(vblend_mask, vq31prod0x04152637, vq31prod0x8C9DAEBF); |
| |
| const __m512i vrem0x084C195D2A6E3B7F = |
| _mm512_add_epi32(_mm512_and_si512(vq31prod0x084C195D2A6E3B7F, vremainder_mask), _mm512_srai_epi32(vq31prod0x084C195D2A6E3B7F, 31)); |
| |
| vacc0x084C195D2A6E3B7F = _mm512_sra_epi32(vq31prod0x084C195D2A6E3B7F, vshift); |
| |
| const __m512i vminus_one = _mm512_set1_epi32(-1); |
| vacc0x084C195D2A6E3B7F = |
| _mm512_mask_sub_epi32(vacc0x084C195D2A6E3B7F, _mm512_cmpgt_epi32_mask(vrem0x084C195D2A6E3B7F, vremainder_threshold), vacc0x084C195D2A6E3B7F, vminus_one); |
| |
| const __m256i vacc0x084C2A6E195D3B7F = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc0x084C195D2A6E3B7F), _mm512_extracti32x8_epi32(vacc0x084C195D2A6E3B7F, 1)), voutput_zero_point); |
| |
| const __m128i vout0x084C2A6E195D3B7F = _mm_packs_epi16(_mm256_castsi256_si128(vacc0x084C2A6E195D3B7F), _mm256_extracti128_si256(vacc0x084C2A6E195D3B7F, 1)); |
| __m128i vout0x0123456789ABCDEF = _mm_shuffle_epi8(vout0x084C2A6E195D3B7F, _mm_set_epi8(15, 7, 11, 3, 13, 5, 9, 1, 14, 6, 10, 2, 12, 4, 8, 0)); |
| vout0x0123456789ABCDEF = _mm_max_epi8(vout0x0123456789ABCDEF, voutput_min); |
| vout0x0123456789ABCDEF = _mm_min_epi8(vout0x0123456789ABCDEF, voutput_max); |
| |
| if (nc >= 16) { |
| _mm_storeu_si128((__m128i*) c0, vout0x0123456789ABCDEF); |
| |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| |
| a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| |
| nc -= 16; |
| } else { |
| // Prepare mask for valid 8-bit elements (depends on nc). |
| const __mmask64 vmask = _cvtu64_mask64((uint64_t) ((UINT32_C(1) << nc) - UINT32_C(1))); |
| |
| _mm_mask_storeu_epi8(c0, vmask, vout0x0123456789ABCDEF); |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |