| // Auto-generated file. Do not edit! |
| // Template: src/qs8-igemm/MRx4c2-sse.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> |
| |
| #if defined(__GNUC__) || defined(__clang__) |
| #include <x86intrin.h> |
| #else |
| #include <immintrin.h> |
| #include <ammintrin.h> |
| #endif |
| |
| #include <xnnpack/igemm.h> |
| #include <xnnpack/math.h> |
| |
| |
| void xnn_qs8_igemm_minmax_gemmlowp_ukernel_4x4c2__xop_ld128( |
| 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 <= 4); |
| assert(nc != 0); |
| assert(kc != 0); |
| assert(ks != 0); |
| assert(ks % (4 * sizeof(void*)) == 0); |
| assert(a_offset % sizeof(int8_t) == 0); |
| assert(a != NULL); |
| assert(w != NULL); |
| assert(c != NULL); |
| |
| kc = round_up_po2(kc, 2); |
| int8_t* c0 = c; |
| int8_t* c1 = (int8_t*) ((uintptr_t) c0 + cm_stride); |
| if XNN_UNPREDICTABLE(mr < 2) { |
| c1 = c0; |
| } |
| int8_t* c2 = (int8_t*) ((uintptr_t) c1 + cm_stride); |
| if XNN_UNPREDICTABLE(mr <= 2) { |
| c2 = c1; |
| } |
| int8_t* c3 = (int8_t*) ((uintptr_t) c2 + cm_stride); |
| if XNN_UNPREDICTABLE(mr != 4) { |
| c3 = c2; |
| } |
| |
| do { |
| __m128i vacc0x0123 = _mm_loadu_si128((const __m128i*) w); |
| __m128i vacc1x0123 = vacc0x0123; |
| __m128i vacc2x0123 = vacc0x0123; |
| __m128i vacc3x0123 = vacc0x0123; |
| w = (const void*) ((uintptr_t) w + 4 * 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); |
| } |
| const int8_t* restrict a1 = a[1]; |
| if XNN_UNPREDICTABLE(a1 != zero) { |
| a1 = (const int8_t*) ((uintptr_t) a1 + a_offset); |
| } |
| const int8_t* restrict a2 = a[2]; |
| if XNN_UNPREDICTABLE(a2 != zero) { |
| a2 = (const int8_t*) ((uintptr_t) a2 + a_offset); |
| } |
| const int8_t* restrict a3 = a[3]; |
| if XNN_UNPREDICTABLE(a3 != zero) { |
| a3 = (const int8_t*) ((uintptr_t) a3 + a_offset); |
| } |
| a += 4; |
| |
| size_t k = kc; |
| while (k >= 8 * sizeof(int8_t)) { |
| const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0); |
| const __m128i vxa0 = _mm_cvtepi8_epi16(va0); |
| a0 += 8; |
| const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1); |
| const __m128i vxa1 = _mm_cvtepi8_epi16(va1); |
| a1 += 8; |
| const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2); |
| const __m128i vxa2 = _mm_cvtepi8_epi16(va2); |
| a2 += 8; |
| const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3); |
| const __m128i vxa3 = _mm_cvtepi8_epi16(va3); |
| a3 += 8; |
| |
| const __m128i vb01 = _mm_loadu_si128((const __m128i*) w); |
| const __m128i vsb01 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb01); |
| const __m128i vxb0 = _mm_unpacklo_epi8(vb01, vsb01); |
| const __m128i vxb1 = _mm_unpackhi_epi8(vb01, vsb01); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc3x0123); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc3x0123); |
| const __m128i vb23 = _mm_loadu_si128((const __m128i*) ((uintptr_t) w + 16)); |
| const __m128i vsb23 = _mm_cmpgt_epi8(_mm_setzero_si128(), vb23); |
| const __m128i vxb2 = _mm_unpacklo_epi8(vb23, vsb23); |
| const __m128i vxb3 = _mm_unpackhi_epi8(vb23, vsb23); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc3x0123); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(3, 3, 3, 3)), vxb3, vacc3x0123); |
| |
| w = (const void*) ((uintptr_t) w + 32); |
| k -= 8 * sizeof(int8_t); |
| } |
| if (k != 0) { |
| const __m128i va0 = _mm_loadl_epi64((const __m128i*) a0); |
| const __m128i vxa0 = _mm_cvtepi8_epi16(va0); |
| a0 = (const int8_t*) ((uintptr_t) a0 + k); |
| const __m128i va1 = _mm_loadl_epi64((const __m128i*) a1); |
| const __m128i vxa1 = _mm_cvtepi8_epi16(va1); |
| a1 = (const int8_t*) ((uintptr_t) a1 + k); |
| const __m128i va2 = _mm_loadl_epi64((const __m128i*) a2); |
| const __m128i vxa2 = _mm_cvtepi8_epi16(va2); |
| a2 = (const int8_t*) ((uintptr_t) a2 + k); |
| const __m128i va3 = _mm_loadl_epi64((const __m128i*) a3); |
| const __m128i vxa3 = _mm_cvtepi8_epi16(va3); |
| a3 = (const int8_t*) ((uintptr_t) a3 + k); |
| |
| const __m128i vb0 = _mm_loadl_epi64((const __m128i*) w); |
| w = (const void*) ((uintptr_t) w + 8); |
| const __m128i vxb0 = _mm_unpacklo_epi8(vb0, _mm_cmpgt_epi8(_mm_setzero_si128(), vb0)); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(0, 0, 0, 0)), vxb0, vacc3x0123); |
| |
| if (k > 2 * sizeof(int8_t)) { |
| const __m128i vb1 = _mm_loadl_epi64((const __m128i*) w); |
| w = (const void*) ((uintptr_t) w + 8); |
| const __m128i vxb1 = _mm_unpacklo_epi8(vb1, _mm_cmpgt_epi8(_mm_setzero_si128(), vb1)); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(1, 1, 1, 1)), vxb1, vacc3x0123); |
| |
| if (k > 4 * sizeof(int8_t)) { |
| const __m128i vb2 = _mm_loadl_epi64((const __m128i*) w); |
| w = (const void*) ((uintptr_t) w + 8); |
| const __m128i vxb2 = _mm_unpacklo_epi8(vb2, _mm_cmpgt_epi8(_mm_setzero_si128(), vb2)); |
| |
| vacc0x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa0, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc0x0123); |
| vacc1x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa1, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc1x0123); |
| vacc2x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa2, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc2x0123); |
| vacc3x0123 = _mm_maddd_epi16( |
| _mm_shuffle_epi32(vxa3, _MM_SHUFFLE(2, 2, 2, 2)), vxb2, vacc3x0123); |
| } |
| } |
| } |
| p -= 4 * sizeof(void*); |
| } while (p != 0); |
| |
| const __m128i vmultiplier = _mm_load_si128((const __m128i*) params->sse4.multiplier); |
| const __m128i vrounding = _mm_load_si128((const __m128i*) params->sse4.rounding); |
| |
| const __m128i vacc0x1133 = _mm_shuffle_epi32(vacc0x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| const __m128i vacc1x1133 = _mm_shuffle_epi32(vacc1x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| const __m128i vacc2x1133 = _mm_shuffle_epi32(vacc2x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| const __m128i vacc3x1133 = _mm_shuffle_epi32(vacc3x0123, _MM_SHUFFLE(3, 3, 1, 1)); |
| |
| const __m128i vprod0x02 = _mm_add_epi64(_mm_mul_epi32(vacc0x0123, vmultiplier), vrounding); |
| const __m128i vprod1x02 = _mm_add_epi64(_mm_mul_epi32(vacc1x0123, vmultiplier), vrounding); |
| const __m128i vprod2x02 = _mm_add_epi64(_mm_mul_epi32(vacc2x0123, vmultiplier), vrounding); |
| const __m128i vprod3x02 = _mm_add_epi64(_mm_mul_epi32(vacc3x0123, vmultiplier), vrounding); |
| |
| const __m128i vprod0x13 = _mm_add_epi64(_mm_mul_epi32(vacc0x1133, vmultiplier), vrounding); |
| const __m128i vprod1x13 = _mm_add_epi64(_mm_mul_epi32(vacc1x1133, vmultiplier), vrounding); |
| const __m128i vprod2x13 = _mm_add_epi64(_mm_mul_epi32(vacc2x1133, vmultiplier), vrounding); |
| const __m128i vprod3x13 = _mm_add_epi64(_mm_mul_epi32(vacc3x1133, vmultiplier), vrounding); |
| |
| const __m128i vq31prod0x02 = _mm_srli_epi64(vprod0x02, 31); |
| const __m128i vq31prod0x13 = _mm_add_epi64(vprod0x13, vprod0x13); |
| const __m128i vq31prod1x02 = _mm_srli_epi64(vprod1x02, 31); |
| const __m128i vq31prod1x13 = _mm_add_epi64(vprod1x13, vprod1x13); |
| const __m128i vq31prod2x02 = _mm_srli_epi64(vprod2x02, 31); |
| const __m128i vq31prod2x13 = _mm_add_epi64(vprod2x13, vprod2x13); |
| const __m128i vq31prod3x02 = _mm_srli_epi64(vprod3x02, 31); |
| const __m128i vq31prod3x13 = _mm_add_epi64(vprod3x13, vprod3x13); |
| |
| const __m128i vq31prod0x0123 = _mm_blend_epi16(vq31prod0x02, vq31prod0x13, 0xCC); |
| const __m128i vq31prod1x0123 = _mm_blend_epi16(vq31prod1x02, vq31prod1x13, 0xCC); |
| const __m128i vq31prod2x0123 = _mm_blend_epi16(vq31prod2x02, vq31prod2x13, 0xCC); |
| const __m128i vq31prod3x0123 = _mm_blend_epi16(vq31prod3x02, vq31prod3x13, 0xCC); |
| |
| const __m128i vremainder_mask = _mm_load_si128((const __m128i*) params->sse4.remainder_mask); |
| const __m128i vrem0x0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod0x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod0x0123)); |
| const __m128i vrem1x0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod1x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod1x0123)); |
| const __m128i vrem2x0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod2x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod2x0123)); |
| const __m128i vrem3x0123 = |
| _mm_add_epi32(_mm_and_si128(vq31prod3x0123, vremainder_mask), _mm_cmpgt_epi32(_mm_setzero_si128(), vq31prod3x0123)); |
| |
| const __m128i vremainder_threshold = _mm_load_si128((const __m128i*) params->sse4.remainder_threshold); |
| const __m128i vshift = _mm_loadl_epi64((const __m128i*) params->sse4.shift); |
| vacc0x0123 = |
| _mm_sub_epi32(_mm_sra_epi32(vq31prod0x0123, vshift), _mm_cmpgt_epi32(vrem0x0123, vremainder_threshold)); |
| vacc1x0123 = |
| _mm_sub_epi32(_mm_sra_epi32(vq31prod1x0123, vshift), _mm_cmpgt_epi32(vrem1x0123, vremainder_threshold)); |
| vacc2x0123 = |
| _mm_sub_epi32(_mm_sra_epi32(vq31prod2x0123, vshift), _mm_cmpgt_epi32(vrem2x0123, vremainder_threshold)); |
| vacc3x0123 = |
| _mm_sub_epi32(_mm_sra_epi32(vq31prod3x0123, vshift), _mm_cmpgt_epi32(vrem3x0123, vremainder_threshold)); |
| |
| const __m128i voutput_zero_point = _mm_load_si128((const __m128i*) params->sse4.output_zero_point); |
| __m128i vacc01x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc0x0123, vacc1x0123), voutput_zero_point); |
| __m128i vacc23x0123 = _mm_adds_epi16(_mm_packs_epi32(vacc2x0123, vacc3x0123), voutput_zero_point); |
| |
| |
| __m128i vout = _mm_packs_epi16(vacc01x0123, vacc23x0123); |
| |
| vout = _mm_max_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_min)); |
| vout = _mm_min_epi8(vout, _mm_load_si128((const __m128i*) params->sse4.output_max)); |
| |
| if (nc >= 4) { |
| *((uint32_t*) c3) = (uint32_t) _mm_extract_epi32(vout, 3); |
| c3 = (int8_t*) ((uintptr_t) c3 + cn_stride); |
| *((uint32_t*) c2) = (uint32_t) _mm_extract_epi32(vout, 2); |
| c2 = (int8_t*) ((uintptr_t) c2 + cn_stride); |
| *((uint32_t*) c1) = (uint32_t) _mm_extract_epi32(vout, 1); |
| c1 = (int8_t*) ((uintptr_t) c1 + cn_stride); |
| *((uint32_t*) c0) = (uint32_t) _mm_cvtsi128_si32(vout); |
| c0 = (int8_t*) ((uintptr_t) c0 + cn_stride); |
| |
| a = (const int8_t**restrict) ((uintptr_t) a - ks); |
| |
| nc -= 4; |
| } else { |
| if (nc & 2) { |
| *((uint16_t*) c3) = (uint16_t) _mm_extract_epi16(vout, 6); |
| c3 += 2; |
| *((uint16_t*) c2) = (uint16_t) _mm_extract_epi16(vout, 4); |
| c2 += 2; |
| *((uint16_t*) c1) = (uint16_t) _mm_extract_epi16(vout, 2); |
| c1 += 2; |
| *((uint16_t*) c0) = (uint16_t) _mm_extract_epi16(vout, 0); |
| c0 += 2; |
| vout = _mm_srli_epi32(vout, 16); |
| } |
| if (nc & 1) { |
| *((int8_t*) c3) = (int8_t) _mm_extract_epi8(vout, 12); |
| *((int8_t*) c2) = (int8_t) _mm_extract_epi8(vout, 8); |
| *((int8_t*) c1) = (int8_t) _mm_extract_epi8(vout, 4); |
| *((int8_t*) c0) = (int8_t) _mm_extract_epi8(vout, 0); |
| } |
| |
| nc = 0; |
| } |
| } while (nc != 0); |
| } |