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// 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_qc8_igemm_minmax_fp32_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_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 __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->avx512.output_zero_point);
const __m128i voutput_min = _mm_load_si128((const __m128i*) params->avx512.output_min);
const __m128i voutput_max = _mm_load_si128((const __m128i*) params->avx512.output_max);
do {
__m512i vacc0x0123 = _mm512_maskz_expandloadu_epi32(vbias_mask, w);
__m512i vacc0x4567 = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((const int32_t*) w + 4));
__m512i vacc0x89AB = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((const int32_t*) w + 8));
__m512i vacc0xCDEF = _mm512_maskz_expandloadu_epi32(vbias_mask, (const void*) ((const int32_t*) w + 12));
w = (const void*) ((const int32_t*) w + 16);
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*) ((const int8_t*) w + 32)));
vacc0x4567 = _mm512_add_epi32(vacc0x4567, _mm512_madd_epi16(va0, vb4567));
const __m512i vb89AB = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((const int8_t*) w + 64)));
vacc0x89AB = _mm512_add_epi32(vacc0x89AB, _mm512_madd_epi16(va0, vb89AB));
const __m512i vbCDEF = _mm512_cvtepi8_epi16(_mm256_load_si256((const __m256i*) ((const int8_t*) w + 96)));
vacc0xCDEF = _mm512_add_epi32(vacc0xCDEF, _mm512_madd_epi16(va0, vbCDEF));
w = (const void*) ((const int8_t*) w + 128);
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));
__m512 vscaled0x084C195D2A6E3B7F = _mm512_cvtepi32_ps(vacc0x084C195D2A6E3B7F);
const __m512 vscale012345678ABCDEF = _mm512_load_ps(w);
w = (const void*) ((const float*) w + 16);
const __m512 vscale084C195D2A6E3B7F = _mm512_permutexvar_ps(_mm512_set_epi32(15, 7, 11, 3, 14, 6, 10, 2, 13, 5, 9, 1, 12, 4, 8, 0), vscale012345678ABCDEF);
vscaled0x084C195D2A6E3B7F = _mm512_mul_ps(vscaled0x084C195D2A6E3B7F, vscale084C195D2A6E3B7F);
vacc0x084C195D2A6E3B7F = _mm512_cvtps_epi32(vscaled0x084C195D2A6E3B7F);
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);
}