xref: /aosp_15_r20/external/XNNPACK/src/qu8-dwconv/gen/up32x9-minmax-fp32-avx512skx-mul32.c (revision 4bdc94577ba0e567308109d787f7fec7b531ce36)

// Auto-generated file. Do not edit!
//   Template: src/qs8-dwconv/unipass-avx512skx-mul32.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/dwconv.h>
#include <xnnpack/intrinsics-polyfill.h>


void xnn_qu8_dwconv_minmax_fp32_ukernel_up32x9__avx512skx_mul32(
    size_t channels,
    size_t output_width,
    const uint8_t** input,
    const void* weights,
    uint8_t* output,
    size_t input_stride,
    size_t output_increment,
    size_t input_offset,
    const uint8_t* zero,
    const union xnn_qu8_conv_minmax_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_MSAN
{
  assert(channels != 0);
  assert(output_width != 0);

  const __m512 vscale = _mm512_load_ps(params->fp32_avx512.scale);
  const __m512 voutput_max_less_zero_point = _mm512_load_ps(params->fp32_avx512.output_max_less_zero_point);
  const __m512i voutput_zero_point = _mm512_load_si512(params->fp32_avx512.output_zero_point);
  const __m256i voutput_min = _mm256_load_si256((const __m256i*) params->fp32_avx512.output_min);
  const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 5, 1, 6, 2, 4, 0);

  const __m512i vk_zero_point = _mm512_cvtepu16_epi32(_mm256_load_si256((const __m256i*) params->fp32_avx512.kernel_zero_point));
  do {
    const uint8_t* i0 = input[0];
    assert(i0 != NULL);
    if XNN_UNPREDICTABLE(i0 != zero) {
      i0 = (const uint8_t*) ((uintptr_t) i0 + input_offset);
    }
    const uint8_t* i1 = input[1];
    assert(i1 != NULL);
    if XNN_UNPREDICTABLE(i1 != zero) {
      i1 = (const uint8_t*) ((uintptr_t) i1 + input_offset);
    }
    const uint8_t* i2 = input[2];
    assert(i2 != NULL);
    if XNN_UNPREDICTABLE(i2 != zero) {
      i2 = (const uint8_t*) ((uintptr_t) i2 + input_offset);
    }
    const uint8_t* i3 = input[3];
    assert(i3 != NULL);
    if XNN_UNPREDICTABLE(i3 != zero) {
      i3 = (const uint8_t*) ((uintptr_t) i3 + input_offset);
    }
    const uint8_t* i4 = input[4];
    assert(i4 != NULL);
    if XNN_UNPREDICTABLE(i4 != zero) {
      i4 = (const uint8_t*) ((uintptr_t) i4 + input_offset);
    }
    const uint8_t* i5 = input[5];
    assert(i5 != NULL);
    if XNN_UNPREDICTABLE(i5 != zero) {
      i5 = (const uint8_t*) ((uintptr_t) i5 + input_offset);
    }
    const uint8_t* i6 = input[6];
    assert(i6 != NULL);
    if XNN_UNPREDICTABLE(i6 != zero) {
      i6 = (const uint8_t*) ((uintptr_t) i6 + input_offset);
    }
    const uint8_t* i7 = input[7];
    assert(i7 != NULL);
    if XNN_UNPREDICTABLE(i7 != zero) {
      i7 = (const uint8_t*) ((uintptr_t) i7 + input_offset);
    }
    const uint8_t* i8 = input[8];
    assert(i8 != NULL);
    if XNN_UNPREDICTABLE(i8 != zero) {
      i8 = (const uint8_t*) ((uintptr_t) i8 + input_offset);
    }
    input = (const uint8_t**) ((uintptr_t) input + input_stride);

    size_t c = channels;
    const void* w = weights;
    for (; c >= 32; c -= 32) {
      __m512i vacc0123456789ABCDEF = _mm512_loadu_si512(w);
      __m512i vaccGHIJKLMNOPQRSTUV = _mm512_loadu_si512((const void*) ((uintptr_t) w + 16 * sizeof(int32_t)));


      const __m512i vi0x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i0));
      const __m512i vk0x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 0 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi0xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i0 + 16)));
      const __m512i vk0xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 16 * sizeof(uint8_t)))), vk_zero_point);
      i0 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi0x0123456789ABCDEF, vk0x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi0xGHIJKLMNOPQRSTUV, vk0xGHIJKLMNOPQRSTUV));

      const __m512i vi1x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i1));
      const __m512i vk1x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 32 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi1xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i1 + 16)));
      const __m512i vk1xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 48 * sizeof(uint8_t)))), vk_zero_point);
      i1 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi1x0123456789ABCDEF, vk1x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi1xGHIJKLMNOPQRSTUV, vk1xGHIJKLMNOPQRSTUV));

      const __m512i vi2x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i2));
      const __m512i vk2x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 64 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi2xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i2 + 16)));
      const __m512i vk2xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 80 * sizeof(uint8_t)))), vk_zero_point);
      i2 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi2x0123456789ABCDEF, vk2x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi2xGHIJKLMNOPQRSTUV, vk2xGHIJKLMNOPQRSTUV));

      const __m512i vi3x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i3));
      const __m512i vk3x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 96 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi3xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i3 + 16)));
      const __m512i vk3xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 112 * sizeof(uint8_t)))), vk_zero_point);
      i3 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi3x0123456789ABCDEF, vk3x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi3xGHIJKLMNOPQRSTUV, vk3xGHIJKLMNOPQRSTUV));

      const __m512i vi4x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i4));
      const __m512i vk4x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 128 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi4xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i4 + 16)));
      const __m512i vk4xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 144 * sizeof(uint8_t)))), vk_zero_point);
      i4 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi4x0123456789ABCDEF, vk4x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi4xGHIJKLMNOPQRSTUV, vk4xGHIJKLMNOPQRSTUV));

      const __m512i vi5x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i5));
      const __m512i vk5x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 160 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi5xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i5 + 16)));
      const __m512i vk5xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 176 * sizeof(uint8_t)))), vk_zero_point);
      i5 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi5x0123456789ABCDEF, vk5x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi5xGHIJKLMNOPQRSTUV, vk5xGHIJKLMNOPQRSTUV));

      const __m512i vi6x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i6));
      const __m512i vk6x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 192 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi6xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i6 + 16)));
      const __m512i vk6xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 208 * sizeof(uint8_t)))), vk_zero_point);
      i6 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi6x0123456789ABCDEF, vk6x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi6xGHIJKLMNOPQRSTUV, vk6xGHIJKLMNOPQRSTUV));

      const __m512i vi7x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i7));
      const __m512i vk7x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 224 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi7xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i7 + 16)));
      const __m512i vk7xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 240 * sizeof(uint8_t)))), vk_zero_point);
      i7 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi7x0123456789ABCDEF, vk7x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi7xGHIJKLMNOPQRSTUV, vk7xGHIJKLMNOPQRSTUV));

      const __m512i vi8x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i8));
      const __m512i vk8x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 256 * sizeof(uint8_t)))), vk_zero_point);
      const __m512i vi8xGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (i8 + 16)));
      const __m512i vk8xGHIJKLMNOPQRSTUV = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + 32 * sizeof(int32_t) + 272 * sizeof(uint8_t)))), vk_zero_point);
      i8 += 32;

      vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi8x0123456789ABCDEF, vk8x0123456789ABCDEF));
      vaccGHIJKLMNOPQRSTUV = _mm512_add_epi32(vaccGHIJKLMNOPQRSTUV, _mm512_mullo_epi32(vi8xGHIJKLMNOPQRSTUV, vk8xGHIJKLMNOPQRSTUV));

      w = (const void*) ((uintptr_t) w + 32 * sizeof(int32_t) + 288 * sizeof(uint8_t));

      __m512 vscaled0123456789ABCDEF = _mm512_cvtepi32_ps(vacc0123456789ABCDEF);
      __m512 vscaledGHIJKLMNOPQRSTUV = _mm512_cvtepi32_ps(vaccGHIJKLMNOPQRSTUV);

      vscaled0123456789ABCDEF = _mm512_mul_ps(vscaled0123456789ABCDEF, vscale);
      vscaledGHIJKLMNOPQRSTUV = _mm512_mul_ps(vscaledGHIJKLMNOPQRSTUV, vscale);

      vscaled0123456789ABCDEF = _mm512_min_ps(vscaled0123456789ABCDEF, voutput_max_less_zero_point);
      vscaledGHIJKLMNOPQRSTUV = _mm512_min_ps(vscaledGHIJKLMNOPQRSTUV, voutput_max_less_zero_point);

      vacc0123456789ABCDEF = _mm512_cvtps_epi32(vscaled0123456789ABCDEF);
      vaccGHIJKLMNOPQRSTUV = _mm512_cvtps_epi32(vscaledGHIJKLMNOPQRSTUV);

      __m512i vout0123GHIJ4567KLMN89ABOPQRCDEFSTUV = _mm512_adds_epi16(_mm512_packs_epi32(vacc0123456789ABCDEF, vaccGHIJKLMNOPQRSTUV), voutput_zero_point);
      __m256i voutGHIJOPQRKLMNSTUV = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vaccGHIJKLMNOPQRSTUV), _mm512_extracti32x8_epi32(vaccGHIJKLMNOPQRSTUV, 1)), _mm512_castsi512_si256(voutput_zero_point));

      const __m256i vout0123GHIJ4567KLMN = _mm512_castsi512_si256(vout0123GHIJ4567KLMN89ABOPQRCDEFSTUV);
      const __m256i vout89ABOPQRCDEFSTUV = _mm512_extracti32x8_epi32(vout0123GHIJ4567KLMN89ABOPQRCDEFSTUV, 1);
      const __m256i vout0123GHIJ89ABOPQR4567KLMNCDEFSTUV = _mm256_packus_epi16(vout0123GHIJ4567KLMN, vout89ABOPQRCDEFSTUV);
      __m256i vout0123456789ABCDEFGHIJKLMNOPQRSTUV = _mm256_permutevar8x32_epi32(vout0123GHIJ89ABOPQR4567KLMNCDEFSTUV, vpermute_mask);
      const __m128i voutGHIJOPQR = _mm256_castsi256_si128(voutGHIJOPQRKLMNSTUV);
      const __m128i voutKLMNSTUV = _mm256_extracti128_si256(voutGHIJOPQRKLMNSTUV, 1);
      __m128i voutGHIJKLMNOPQRSTUV = _mm_shuffle_epi32(_mm_packus_epi16(voutGHIJOPQR, voutKLMNSTUV), _MM_SHUFFLE(3, 1, 2, 0));

      vout0123456789ABCDEFGHIJKLMNOPQRSTUV = _mm256_max_epu8(vout0123456789ABCDEFGHIJKLMNOPQRSTUV, voutput_min);
      voutGHIJKLMNOPQRSTUV = _mm_max_epu8(voutGHIJKLMNOPQRSTUV, _mm256_castsi256_si128(voutput_min));

      _mm256_storeu_si256((__m256i*) output, vout0123456789ABCDEFGHIJKLMNOPQRSTUV);
      _mm_storeu_si128((__m128i*) (output + 16), voutGHIJKLMNOPQRSTUV);
      output += 32;
    }
    if XNN_UNLIKELY(c != 0) {
      // Prepare mask for valid 8-bit elements (depends on nc).
      const __mmask16 vmask = _cvtu32_mask16((uint32_t) ((UINT32_C(1) << (c & 15)) - UINT32_C(1)));
      const uint8_t* k = (const uint8_t*) ((uintptr_t) w + 32 * sizeof(int32_t));
      do {
        __m512i vacc0123456789ABCDEF = _mm512_loadu_si512(w);


        const __m512i vi0x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i0));
        const __m512i vk0x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) k)), vk_zero_point);
        i0 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi0x0123456789ABCDEF, vk0x0123456789ABCDEF));

        const __m512i vi1x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i1));
        const __m512i vk1x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 32))), vk_zero_point);
        i1 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi1x0123456789ABCDEF, vk1x0123456789ABCDEF));

        const __m512i vi2x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i2));
        const __m512i vk2x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 64))), vk_zero_point);
        i2 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi2x0123456789ABCDEF, vk2x0123456789ABCDEF));

        const __m512i vi3x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i3));
        const __m512i vk3x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 96))), vk_zero_point);
        i3 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi3x0123456789ABCDEF, vk3x0123456789ABCDEF));

        const __m512i vi4x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i4));
        const __m512i vk4x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 128))), vk_zero_point);
        i4 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi4x0123456789ABCDEF, vk4x0123456789ABCDEF));

        const __m512i vi5x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i5));
        const __m512i vk5x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 160))), vk_zero_point);
        i5 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi5x0123456789ABCDEF, vk5x0123456789ABCDEF));

        const __m512i vi6x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i6));
        const __m512i vk6x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 192))), vk_zero_point);
        i6 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi6x0123456789ABCDEF, vk6x0123456789ABCDEF));

        const __m512i vi7x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i7));
        const __m512i vk7x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 224))), vk_zero_point);
        i7 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi7x0123456789ABCDEF, vk7x0123456789ABCDEF));

        const __m512i vi8x0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) i8));
        const __m512i vk8x0123456789ABCDEF = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + 256))), vk_zero_point);
        i8 += 16;

        vacc0123456789ABCDEF = _mm512_add_epi32(vacc0123456789ABCDEF, _mm512_mullo_epi32(vi8x0123456789ABCDEF, vk8x0123456789ABCDEF));

        k += 16;

        __m512 vscaled0123456789ABCDEF = _mm512_cvtepi32_ps(vacc0123456789ABCDEF);
        vscaled0123456789ABCDEF = _mm512_mul_ps(vscaled0123456789ABCDEF, vscale);
        vscaled0123456789ABCDEF = _mm512_min_ps(vscaled0123456789ABCDEF, voutput_max_less_zero_point);
        vacc0123456789ABCDEF = _mm512_cvtps_epi32(vscaled0123456789ABCDEF);

        w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t));

        __m256i vout012389AB4567CDEF = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc0123456789ABCDEF), _mm512_extracti32x8_epi32(vacc0123456789ABCDEF, 1)), _mm512_castsi512_si256(voutput_zero_point));

        const __m128i vout012389AB = _mm256_castsi256_si128(vout012389AB4567CDEF);
        const __m128i vout4567CDEF = _mm256_extracti128_si256(vout012389AB4567CDEF, 1);
        __m128i vout0123456789ABCDEF = _mm_shuffle_epi32(_mm_packus_epi16(vout012389AB, vout4567CDEF), _MM_SHUFFLE(3, 1, 2, 0));
        vout0123456789ABCDEF = _mm_max_epu8(vout0123456789ABCDEF, _mm256_castsi256_si128(voutput_min));

        if XNN_LIKELY(c >= 16) {
          _mm_storeu_si128((__m128i*) output, vout0123456789ABCDEF);
          output += 16;
          c -= 16;
        } else {
          _mm_mask_storeu_epi8(output, vmask, vout0123456789ABCDEF);
          output = (uint8_t*) ((uintptr_t) output + c);
          c = 0;
        }
      } while (c != 0);
    }

    output = (uint8_t*) ((uintptr_t) output + output_increment);
  } while (--output_width != 0);
}