Marat Dukhan | bb00b1d | 2020-08-10 11:37:23 -0700 | [diff] [blame] | 1 | // Auto-generated file. Do not edit! |
Marat Dukhan | 66ccf64 | 2020-09-28 16:23:42 -0700 | [diff] [blame] | 2 | // Template: src/qs8-igemm/MRx16c8-avx512skx.c.in |
Marat Dukhan | bb00b1d | 2020-08-10 11:37:23 -0700 | [diff] [blame] | 3 | // Generator: tools/xngen |
| 4 | // |
| 5 | // Copyright 2020 Google LLC |
| 6 | // |
| 7 | // This source code is licensed under the BSD-style license found in the |
| 8 | // LICENSE file in the root directory of this source tree. |
| 9 | |
| 10 | #include <assert.h> |
| 11 | |
| 12 | #include <immintrin.h> |
| 13 | |
| 14 | #include <xnnpack/igemm.h> |
Marat Dukhan | 0af63ab | 2020-08-13 10:59:17 -0700 | [diff] [blame] | 15 | #include <xnnpack/intrinsics-polyfill.h> |
Marat Dukhan | bb00b1d | 2020-08-10 11:37:23 -0700 | [diff] [blame] | 16 | |
| 17 | |
| 18 | void xnn_qs8_igemm_minmax_ukernel_1x16c8__avx512skx( |
| 19 | size_t mr, |
| 20 | size_t nc, |
| 21 | size_t kc, |
| 22 | size_t ks, |
| 23 | const int8_t** restrict a, |
| 24 | const void* restrict w, |
| 25 | int8_t* restrict c, |
| 26 | size_t cm_stride, |
| 27 | size_t cn_stride, |
| 28 | size_t a_offset, |
| 29 | const int8_t* zero, |
| 30 | const union xnn_qs8_gemm_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN |
| 31 | { |
| 32 | assert(mr != 0); |
| 33 | assert(mr <= 1); |
| 34 | assert(nc != 0); |
| 35 | assert(kc != 0); |
| 36 | assert(kc % sizeof(int8_t) == 0); |
| 37 | assert(a != NULL); |
| 38 | assert(w != NULL); |
| 39 | assert(c != NULL); |
| 40 | |
| 41 | int8_t* c0 = c; |
| 42 | |
| 43 | const __mmask16 vbias_mask = _cvtu32_mask16(0x1111); |
| 44 | const __mmask16 vblend_mask = _cvtu32_mask16(0xAAAA); |
| 45 | const __m512i vmultiplier = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.multiplier)); |
| 46 | const __m512i vrounding = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.rounding)); |
| 47 | const __m512i vremainder_mask = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.remainder_mask)); |
| 48 | const __m512i vremainder_threshold = _mm512_broadcast_i32x4(_mm_load_si128((const __m128i*) params->sse2.remainder_threshold)); |
| 49 | const __m128i vshift = _mm_load_si128((const __m128i*) params->sse2.shift); |
| 50 | const __m256i voutput_zero_point = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_zero_point)); |
| 51 | const __m256i voutput_min = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_min)); |
| 52 | const __m256i voutput_max = _mm256_broadcastsi128_si256(_mm_load_si128((const __m128i*) params->sse2.output_max)); |
| 53 | do { |
| 54 | __m512i vacc0x0123 = _mm512_maskz_expandloadu_epi32(vbias_mask, w); |
| 55 | __m512i vacc0x4567 = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 4 * sizeof(int32_t))); |
| 56 | __m512i vacc0x89AB = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 8 * sizeof(int32_t))); |
| 57 | __m512i vacc0xCDEF = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((uintptr_t) w + 12 * sizeof(int32_t))); |
| 58 | w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t)); |
| 59 | |
| 60 | size_t p = ks; |
| 61 | do { |
| 62 | const int8_t* restrict a0 = a[0]; |
| 63 | if XNN_UNPREDICTABLE(a0 != zero) { |
| 64 | a0 = (const int8_t*) ((uintptr_t) a0 + a_offset); |
| 65 | } |
| 66 | a += 1; |
| 67 | |
| 68 | size_t k = 0; |
| 69 | while (k < kc) { |
| 70 | const __m512i va0 = _mm512_broadcast_i32x4(_mm_cvtepi8_epi16(_mm_loadl_epi64((const __m128i*) a0))); |
| 71 | a0 += 8; |
| 72 | |
| 73 | const __m512i vb0123 = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) w)); |
| 74 | |
| 75 | vacc0x0123 = _mm512_add_epi32(vacc0x0123, _mm512_madd_epi16(va0, vb0123)); |
| 76 | const __m512i vb4567 = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 32 * sizeof(int8_t)))); |
| 77 | |
| 78 | vacc0x4567 = _mm512_add_epi32(vacc0x4567, _mm512_madd_epi16(va0, vb4567)); |
| 79 | const __m512i vb89AB = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 64 * sizeof(int8_t)))); |
| 80 | |
| 81 | vacc0x89AB = _mm512_add_epi32(vacc0x89AB, _mm512_madd_epi16(va0, vb89AB)); |
| 82 | const __m512i vbCDEF = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((uintptr_t) w + 96 * sizeof(int8_t)))); |
| 83 | |
| 84 | vacc0xCDEF = _mm512_add_epi32(vacc0xCDEF, _mm512_madd_epi16(va0, vbCDEF)); |
| 85 | |
| 86 | w = (const void*) ((uintptr_t) w + 128 * sizeof(int8_t)); |
| 87 | k += 8 * sizeof(int8_t); |
| 88 | } |
| 89 | p -= 1 * sizeof(void*); |
| 90 | } while (p != 0); |
| 91 | |
| 92 | const __m512i vacc0x04152637 = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x0123, vacc0x4567), _mm512_unpackhi_epi32(vacc0x0123, vacc0x4567)); |
| 93 | const __m512i vacc0x8C9DAEBF = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x89AB, vacc0xCDEF), _mm512_unpackhi_epi32(vacc0x89AB, vacc0xCDEF)); |
| 94 | |
| 95 | __m512i vacc0x084C195D2A6E3B7F = _mm512_add_epi32(_mm512_unpacklo_epi32(vacc0x04152637, vacc0x8C9DAEBF), _mm512_unpackhi_epi32(vacc0x04152637, vacc0x8C9DAEBF)); |
| 96 | |
| 97 | const __m512i vacc0x88CC99DDAAEEBBFF = _mm512_shuffle_epi32(vacc0x084C195D2A6E3B7F, _MM_SHUFFLE(3, 3, 1, 1)); |
| 98 | |
| 99 | const __m512i vprod0x04152637 = _mm512_add_epi64(_mm512_mul_epi32(vacc0x084C195D2A6E3B7F, vmultiplier), vrounding); |
| 100 | |
| 101 | const __m512i vprod0x8C9DAEBF = _mm512_add_epi64(_mm512_mul_epi32(vacc0x88CC99DDAAEEBBFF, vmultiplier), vrounding); |
| 102 | |
| 103 | const __m512i vq31prod0x04152637 = _mm512_srli_epi64(vprod0x04152637, 31); |
| 104 | const __m512i vq31prod0x8C9DAEBF = _mm512_add_epi64(vprod0x8C9DAEBF, vprod0x8C9DAEBF); |
| 105 | |
| 106 | const __m512i vq31prod0x084C195D2A6E3B7F = _mm512_mask_blend_epi32(vblend_mask, vq31prod0x04152637, vq31prod0x8C9DAEBF); |
| 107 | |
| 108 | const __m512i vrem0x084C195D2A6E3B7F = |
| 109 | _mm512_add_epi32(_mm512_and_si512(vq31prod0x084C195D2A6E3B7F, vremainder_mask), _mm512_srai_epi32(vq31prod0x084C195D2A6E3B7F, 31)); |
| 110 | |
| 111 | vacc0x084C195D2A6E3B7F = _mm512_sra_epi32(vq31prod0x084C195D2A6E3B7F, vshift); |
| 112 | |
| 113 | const __m512i vminus_one = _mm512_set1_epi32(-1); |
| 114 | vacc0x084C195D2A6E3B7F = |
| 115 | _mm512_mask_sub_epi32(vacc0x084C195D2A6E3B7F, _mm512_cmpgt_epi32_mask(vrem0x084C195D2A6E3B7F, vremainder_threshold), vacc0x084C195D2A6E3B7F, vminus_one); |
| 116 | |
| 117 | __m256i vacc0x084C2A6E195D3B7F = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc0x084C195D2A6E3B7F), _mm512_extracti32x8_epi32(vacc0x084C195D2A6E3B7F, 1)), voutput_zero_point); |
| 118 | vacc0x084C2A6E195D3B7F = _mm256_min_epi16(_mm256_max_epi16(vacc0x084C2A6E195D3B7F, voutput_min), voutput_max); |
| 119 | |
| 120 | const __m128i vout0x084C2A6E195D3B7F = _mm_packs_epi16(_mm256_castsi256_si128(vacc0x084C2A6E195D3B7F), _mm256_extracti128_si256(vacc0x084C2A6E195D3B7F, 1)); |
| 121 | const __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)); |
| 122 | |
| 123 | if (nc >= 16) { |
| 124 | _mm_storeu_si128((__m128i*) c0, vout0x0123456789ABCDEF); |
| 125 | |
| 126 | c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| 127 | |
| 128 | a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| 129 | |
| 130 | nc -= 16; |
| 131 | } else { |
| 132 | // Prepare mask for valid 8-bit elements (depends on nc). |
| 133 | const __mmask64 vmask = _cvtu64_mask64((uint64_t) ((UINT32_C(1) << nc) - UINT32_C(1))); |
| 134 | |
| 135 | _mm_mask_storeu_epi8(c0, vmask, vout0x0123456789ABCDEF); |
| 136 | |
| 137 | nc = 0; |
| 138 | } |
| 139 | } while (nc != 0); |
| 140 | } |