src/qs8-dwconv/unipass-avx512skx-mul32.c.in - platform/external/XNNPACK - Git at Google

 // 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.

 $ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
 $assert REQUANTIZATION in ["GEMMLOWP", "FP32"]
 $assert DATATYPE in ["QC8", "QS8", "QU8"]
 $assert DATATYPE != "QC8" or REQUANTIZATION == "FP32"
 $assert CHANNEL_TILE % 16 == 0
 $assert CHANNEL_TILE >= 16
 $assert KERNEL_TILE >= 2
 #include <assert.h>

 #include <immintrin.h>

 #include <xnnpack/dwconv.h>
 #include <xnnpack/intrinsics-polyfill.h>


 $PARAMS_STRUCT = "avx512" if DATATYPE == "QC8" else REQUANTIZATION.lower() + "_avx512"
 $PARAMS_UNION = "xnn_qs8_minmax_params" if DATATYPE == "QC8" else "xnn_%s_conv_minmax_params" % DATATYPE.lower()
 $XINT8_T = "uint8_t" if DATATYPE == "QU8" else "int8_t"
 $_MM512_CVTEPX8_EPI32 = "_mm512_cvtepu8_epi32" if DATATYPE == "QU8" else "_mm512_cvtepi8_epi32"
 $_MM256_PACKXS_EPI16 = "_mm256_packus_epi16" if DATATYPE == "QU8" else "_mm256_packs_epi16"
 $_MM_PACKXS_EPI16 = "_mm_packus_epi16" if DATATYPE == "QU8" else "_mm_packs_epi16"
 $_MM256_MIN_EPX8 = "_mm256_min_epu8" if DATATYPE == "QU8" else "_mm256_min_epi8"
 $_MM256_MAX_EPX8 = "_mm256_max_epu8" if DATATYPE == "QU8" else "_mm256_max_epi8"
 $_MM_MIN_EPX8 = "_mm_min_epu8" if DATATYPE == "QU8" else "_mm_min_epi8"
 $_MM_MAX_EPX8 = "_mm_max_epu8" if DATATYPE == "QU8" else "_mm_max_epi8"
 void xnn_${DATATYPE.lower()}_dwconv_minmax_${REQUANTIZATION.lower()}_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__avx512skx_mul32(
     size_t channels,
     size_t output_width,
     const ${XINT8_T}** input,
     const void* weights,
     ${XINT8_T}* output,
     size_t input_stride,
     size_t output_increment,
     size_t input_offset,
     const ${XINT8_T}* zero,
     const union ${PARAMS_UNION} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
 {
   assert(channels != 0);
   assert(output_width != 0);

   $if DATATYPE != "QC8":
     $if REQUANTIZATION == "GEMMLOWP":
       const __mmask16 vblend_mask = _cvtu32_mask16(0xAAAA);
       const __m512i vmultiplier = _mm512_set1_epi64(params->${PARAMS_STRUCT}.multiplier);
       const __m512i vrounding = _mm512_set1_epi64(params->${PARAMS_STRUCT}.rounding);
       const __m512i vremainder_mask = _mm512_set1_epi32(params->${PARAMS_STRUCT}.remainder_mask);
       const __m512i vremainder_threshold = _mm512_set1_epi32(params->${PARAMS_STRUCT}.remainder_threshold);
       const __m128i vshift = _mm_loadl_epi64((const __m128i*) &params->${PARAMS_STRUCT}.shift);
     $else:
       const __m512 vscale = _mm512_load_ps(params->${PARAMS_STRUCT}.scale);
   $if CHANNEL_TILE > 16:
     const __m512i voutput_zero_point = _mm512_load_si512(params->${PARAMS_STRUCT}.output_zero_point);
     const __m256i voutput_min = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_min);
     const __m256i voutput_max = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_max);
     const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 5, 1, 6, 2, 4, 0);
   $else:
     const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_zero_point);
     const __m128i voutput_min = _mm_load_si128((const __m128i*) params->${PARAMS_STRUCT}.output_min);
     const __m128i voutput_max = _mm_load_si128((const __m128i*) params->${PARAMS_STRUCT}.output_max);

   $if DATATYPE == "QU8":
     const __m512i vk_zero_point = _mm512_cvtepu16_epi32(_mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.kernel_zero_point));
   do {
     $for K in range(KERNEL_TILE):
       const ${XINT8_T}* i${K} = input[${K}];
       assert(i${K} != NULL);
       if XNN_UNPREDICTABLE(i${K} != zero) {
         i${K} = (const ${XINT8_T}*) ((uintptr_t) i${K} + input_offset);
       }
     input = (const ${XINT8_T}**) ((uintptr_t) input + input_stride);

     size_t c = channels;
     const void* w = weights;
     for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
       __m512i vacc${ABC[0:16]} = _mm512_loadu_si512(w);
       $for C in range(16, CHANNEL_TILE, 16):
         __m512i vacc${ABC[C:C+16]} = _mm512_loadu_si512((const void*) ((uintptr_t) w + ${C} * sizeof(int32_t)));

       $for K in range(KERNEL_TILE):

         $for C in range(0, CHANNEL_TILE, 16):
           $if C == 0:
             const __m512i vi${K}x${ABC[0:16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) i${K}));
           $else:
             const __m512i vi${K}x${ABC[C:C+16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) (i${K} + ${C})));
           $if DATATYPE == "QU8":
             const __m512i vk${K}x${ABC[C:C+16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(${XINT8_T})))), vk_zero_point);
           $else:
             const __m512i vk${K}x${ABC[C:C+16]} = _mm512_cvtepi8_epi32(_mm_load_si128((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(${XINT8_T}))));
         i${K} += ${CHANNEL_TILE};

         $for C in range(0, CHANNEL_TILE, 16):
           vacc${ABC[C:C+16]} = _mm512_add_epi32(vacc${ABC[C:C+16]}, _mm512_mullo_epi32(vi${K}x${ABC[C:C+16]}, vk${K}x${ABC[C:C+16]}));

       w = (const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${KERNEL_TILE * CHANNEL_TILE} * sizeof(${XINT8_T}));

       $if REQUANTIZATION == "GEMMLOWP":
         $for C in range(0, CHANNEL_TILE, 16):
           const __m512i vacc${ABC[C+1:C+16:2]} = _mm512_shuffle_epi32(vacc${ABC[C:C+16]}, _MM_SHUFFLE(3, 3, 1, 1));

         $for C in range(0, CHANNEL_TILE, 16):
           const __m512i vprod${ABC[C:C+16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[C:C+16]}, vmultiplier), vrounding);
           const __m512i vprod${ABC[C+1:C+16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[C+1:C+16:2]}, vmultiplier), vrounding);

         $for C in range(0, CHANNEL_TILE, 16):
           const __m512i vq31prod${ABC[C:C+16:2]} = _mm512_srli_epi64(vprod${ABC[C:C+16:2]}, 31);
           const __m512i vq31prod${ABC[C+1:C+16:2]} = _mm512_add_epi64(vprod${ABC[C+1:C+16:2]}, vprod${ABC[C+1:C+16:2]});

         $for C in range(0, CHANNEL_TILE, 16):
           const __m512i vq31prod${ABC[C:C+16]} = _mm512_mask_blend_epi32(vblend_mask, vq31prod${ABC[C:C+16:2]}, vq31prod${ABC[C+1:C+16:2]});

         $for C in range(0, CHANNEL_TILE, 16):
           const __m512i vrem${ABC[C:C+16]} =
             _mm512_add_epi32(_mm512_and_epi32(vq31prod${ABC[C:C+16]}, vremainder_mask), _mm512_srai_epi32(vq31prod${ABC[C:C+16]}, 31));

         $for C in range(0, CHANNEL_TILE, 16):
           vacc${ABC[C:C+16]} = _mm512_sra_epi32(vq31prod${ABC[C:C+16]}, vshift);

         const __m512i vminus_one = _mm512_set1_epi32(-1);
         $for C in range(0, CHANNEL_TILE, 16):
           vacc${ABC[C:C+16]} = _mm512_mask_sub_epi32(vacc${ABC[C:C+16]}, _mm512_cmpgt_epi32_mask(vrem${ABC[C:C+16]}, vremainder_threshold), vacc${ABC[C:C+16]}, vminus_one);
       $elif REQUANTIZATION == "FP32":
         $for C in range(0, CHANNEL_TILE, 16):
           __m512 vscaled${ABC[C:C+16]} = _mm512_cvtepi32_ps(vacc${ABC[C:C+16]});

         $if DATATYPE == "QC8":
           const __m512 vscale${ABC[0:16]} = _mm512_loadu_ps(w);
           $for C in range(16, CHANNEL_TILE, 16):
             const __m512 vscale${ABC[C:C+16]} = _mm512_loadu_ps((const void*) ((uintptr_t) w + ${C} * sizeof(float)));
           w = (const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(float));
           $for C in range(0, CHANNEL_TILE, 16):
             vscaled${ABC[C:C+16]} = _mm512_mul_ps(vscaled${ABC[C:C+16]}, vscale${ABC[C:C+16]});
         $else:
           $for C in range(0, CHANNEL_TILE, 16):
             vscaled${ABC[C:C+16]} = _mm512_mul_ps(vscaled${ABC[C:C+16]}, vscale);

         $for C in range(0, CHANNEL_TILE, 16):
           vacc${ABC[C:C+16]} = _mm512_cvtps_epi32(vscaled${ABC[C:C+16]});

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 16 < CHANNEL_TILE:
           __m512i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = _mm512_adds_epi16(_mm512_packs_epi32(vacc${ABC[C:C+16]}, vacc${ABC[C+16:C+32]}), voutput_zero_point);
         $elif CHANNEL_TILE > 16:
           __m256i vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[C:C+16]}), _mm512_extracti32x8_epi32(vacc${ABC[C:C+16]}, 1)), _mm512_castsi512_si256(voutput_zero_point));
         $else:
           __m256i vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[C:C+16]}), _mm512_extracti32x8_epi32(vacc${ABC[C:C+16]}, 1)), voutput_zero_point);

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 16 < CHANNEL_TILE:
           const __m256i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]} = _mm512_castsi512_si256(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]});
           const __m256i vout${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = _mm512_extracti32x8_epi32(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]}, 1);
           const __m256i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = ${_MM256_PACKXS_EPI16}(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}, vout${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]});
           __m256i vout${ABC[C:C+32]} = _mm256_permutevar8x32_epi32(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+12:C+16]}${ABC[C+28:C+32]}, vpermute_mask);
         $else:
           const __m128i vout${ABC[C:C+4]}${ABC[C+8:C+12]} = _mm256_castsi256_si128(vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]});
           const __m128i vout${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_extracti128_si256(vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]}, 1);
           __m128i vout${ABC[C:C+16]} = _mm_shuffle_epi32(${_MM_PACKXS_EPI16}(vout${ABC[C:C+4]}${ABC[C+8:C+12]}, vout${ABC[C+4:C+8]}${ABC[C+12:C+16]}), _MM_SHUFFLE(3, 1, 2, 0));

       $for C in range(0, CHANNEL_TILE, 16):
         $if C + 16 < CHANNEL_TILE:
           vout${ABC[C:C+32]} = ${_MM256_MAX_EPX8}(vout${ABC[C:C+32]}, voutput_min);
           vout${ABC[C:C+32]} = ${_MM256_MIN_EPX8}(vout${ABC[C:C+32]}, voutput_max);
         $elif CHANNEL_TILE > 16:
           vout${ABC[C:C+16]} = ${_MM_MAX_EPX8}(vout${ABC[C:C+16]}, _mm256_castsi256_si128(voutput_min));
           vout${ABC[C:C+16]} = ${_MM_MIN_EPX8}(vout${ABC[C:C+16]}, _mm256_castsi256_si128(voutput_max));
         $else:
           vout${ABC[C:C+16]} = ${_MM_MAX_EPX8}(vout${ABC[C:C+16]}, voutput_min);
           vout${ABC[C:C+16]} = ${_MM_MIN_EPX8}(vout${ABC[C:C+16]}, voutput_max);

       $if CHANNEL_TILE > 16:
         _mm256_storeu_si256((__m256i*) output, vout${ABC[0:32]});
       $else:
         _mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
       $for C in range(16, CHANNEL_TILE, 16):
         $if C + 16 < CHANNEL_TILE:
           _mm256_storeu_si256((__m256i*) (output + ${C}), vout${ABC[C:C+32]});
         $else:
           _mm_storeu_si128((__m128i*) (output + ${C}), vout${ABC[C:C+16]});
       output += ${CHANNEL_TILE};
     }
     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)));
       $if CHANNEL_TILE > 16:
         const ${XINT8_T}* k = (const ${XINT8_T}*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t));
       ${"do " if CHANNEL_TILE > 16 else ""}{
         __m512i vacc${ABC[0:16]} = _mm512_loadu_si512(w);

         $for K in range(KERNEL_TILE):

           const __m512i vi${K}x${ABC[0:16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) i${K}));
           $if DATATYPE == "QU8":
             $if CHANNEL_TILE > 16:
               $if K == 0:
                 const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) k)), vk_zero_point);
               $else:
                 const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (k + ${K * CHANNEL_TILE}))), vk_zero_point);
             $else:
               const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(${XINT8_T})))), vk_zero_point);
           $else:
             $if CHANNEL_TILE > 16:
               $if K == 0:
                 const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i*) k));
               $else:
                 const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i*) (k + ${K * CHANNEL_TILE})));
             $else:
               const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(${XINT8_T}))));
           $if CHANNEL_TILE > 16:
             i${K} += 16;

           vacc${ABC[0:16]} = _mm512_add_epi32(vacc${ABC[0:16]}, _mm512_mullo_epi32(vi${K}x${ABC[0:16]}, vk${K}x${ABC[0:16]}));

         $if CHANNEL_TILE > 16:
           k += 16;

         $if REQUANTIZATION == "GEMMLOWP":
           const __m512i vacc${ABC[1:16:2]} = _mm512_shuffle_epi32(vacc${ABC[0:16]}, _MM_SHUFFLE(3, 3, 1, 1));

           const __m512i vprod${ABC[0:16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[0:16]}, vmultiplier), vrounding);
           const __m512i vprod${ABC[1:16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[1:16:2]}, vmultiplier), vrounding);

           const __m512i vq31prod${ABC[0:16:2]} = _mm512_srli_epi64(vprod${ABC[0:16:2]}, 31);
           const __m512i vq31prod${ABC[1:16:2]} = _mm512_add_epi64(vprod${ABC[1:16:2]}, vprod${ABC[1:16:2]});

           const __m512i vq31prod${ABC[0:16]} = _mm512_mask_blend_epi32(vblend_mask, vq31prod${ABC[0:16:2]}, vq31prod${ABC[1:16:2]});

           const __m512i vrem${ABC[0:16]} = _mm512_add_epi32(_mm512_and_epi32(vq31prod${ABC[0:16]}, vremainder_mask), _mm512_srai_epi32(vq31prod${ABC[0:16]}, 31));

           vacc${ABC[0:16]} = _mm512_sra_epi32(vq31prod${ABC[0:16]}, vshift);
           vacc${ABC[0:16]} = _mm512_mask_sub_epi32(vacc${ABC[0:16]}, _mm512_cmpgt_epi32_mask(vrem${ABC[0:16]}, vremainder_threshold), vacc${ABC[0:16]}, _mm512_set1_epi32(-1));
         $elif REQUANTIZATION == "FP32":
           __m512 vscaled${ABC[0:16]} = _mm512_cvtepi32_ps(vacc${ABC[0:16]});
           $if DATATYPE == "QC8":
             const __m512 vscale${ABC[0:16]} = _mm512_loadu_ps((const void*) ((uintptr_t) w + ${CHANNEL_TILE} * sizeof(int32_t) + ${CHANNEL_TILE * KERNEL_TILE} * sizeof(${XINT8_T})));
             vscaled${ABC[0:16]} = _mm512_mul_ps(vscaled${ABC[0:16]}, vscale${ABC[0:16]});
           $else:
             vscaled${ABC[0:16]} = _mm512_mul_ps(vscaled${ABC[0:16]}, vscale);
           vacc${ABC[0:16]} = _mm512_cvtps_epi32(vscaled${ABC[0:16]});

         $if CHANNEL_TILE > 16:
           w = (const void*) ((uintptr_t) w + 16 * sizeof(int32_t));

         $if CHANNEL_TILE > 16:
           __m256i vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[0:16]}), _mm512_extracti32x8_epi32(vacc${ABC[0:16]}, 1)), _mm512_castsi512_si256(voutput_zero_point));
         $else:
           __m256i vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[0:16]}), _mm512_extracti32x8_epi32(vacc${ABC[0:16]}, 1)), voutput_zero_point);

         const __m128i vout${ABC[0:4]}${ABC[8:12]} = _mm256_castsi256_si128(vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]});
         const __m128i vout${ABC[4:8]}${ABC[12:16]} = _mm256_extracti128_si256(vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]}, 1);
         __m128i vout${ABC[0:16]} = _mm_shuffle_epi32(${_MM_PACKXS_EPI16}(vout${ABC[0:4]}${ABC[8:12]}, vout${ABC[4:8]}${ABC[12:16]}), _MM_SHUFFLE(3, 1, 2, 0));
         $if CHANNEL_TILE > 16:
           vout${ABC[0:16]} = ${_MM_MAX_EPX8}(vout${ABC[0:16]}, _mm256_castsi256_si128(voutput_min));
           vout${ABC[0:16]} = ${_MM_MIN_EPX8}(vout${ABC[0:16]}, _mm256_castsi256_si128(voutput_max));
         $else:
           vout${ABC[0:16]} = ${_MM_MAX_EPX8}(vout${ABC[0:16]}, voutput_min);
           vout${ABC[0:16]} = ${_MM_MIN_EPX8}(vout${ABC[0:16]}, voutput_max);

         $if CHANNEL_TILE > 16:
           if XNN_LIKELY(c >= 16) {
             _mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
             output += 16;
             c -= 16;
           } else {
             _mm_mask_storeu_epi8(output, vmask, vout${ABC[0:16]});
             output = (${XINT8_T}*) ((uintptr_t) output + c);
             c = 0;
           }
         $else:
           _mm_mask_storeu_epi8(output, vmask, vout${ABC[0:16]});
           output = (${XINT8_T}*) ((uintptr_t) output + c);
       }${" while (c != 0);" if CHANNEL_TILE > 16 else ""}
     }

     output = (${XINT8_T}*) ((uintptr_t) output + output_increment);
   } while (--output_width != 0);
 }
	// 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.

	$ABC = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ"
	$assert REQUANTIZATION in ["GEMMLOWP", "FP32"]
	$assert DATATYPE in ["QC8", "QS8", "QU8"]
	$assert DATATYPE != "QC8" or REQUANTIZATION == "FP32"
	$assert CHANNEL_TILE % 16 == 0
	$assert CHANNEL_TILE >= 16
	$assert KERNEL_TILE >= 2
	#include <assert.h>

	#include <immintrin.h>

	#include <xnnpack/dwconv.h>
	#include <xnnpack/intrinsics-polyfill.h>


	$PARAMS_STRUCT = "avx512" if DATATYPE == "QC8" else REQUANTIZATION.lower() + "_avx512"
	$PARAMS_UNION = "xnn_qs8_minmax_params" if DATATYPE == "QC8" else "xnn_%s_conv_minmax_params" % DATATYPE.lower()
	$XINT8_T = "uint8_t" if DATATYPE == "QU8" else "int8_t"
	$_MM512_CVTEPX8_EPI32 = "_mm512_cvtepu8_epi32" if DATATYPE == "QU8" else "_mm512_cvtepi8_epi32"
	$_MM256_PACKXS_EPI16 = "_mm256_packus_epi16" if DATATYPE == "QU8" else "_mm256_packs_epi16"
	$_MM_PACKXS_EPI16 = "_mm_packus_epi16" if DATATYPE == "QU8" else "_mm_packs_epi16"
	$_MM256_MIN_EPX8 = "_mm256_min_epu8" if DATATYPE == "QU8" else "_mm256_min_epi8"
	$_MM256_MAX_EPX8 = "_mm256_max_epu8" if DATATYPE == "QU8" else "_mm256_max_epi8"
	$_MM_MIN_EPX8 = "_mm_min_epu8" if DATATYPE == "QU8" else "_mm_min_epi8"
	$_MM_MAX_EPX8 = "_mm_max_epu8" if DATATYPE == "QU8" else "_mm_max_epi8"
	void xnn_${DATATYPE.lower()}_dwconv_minmax_${REQUANTIZATION.lower()}_ukernel_up${CHANNEL_TILE}x${KERNEL_TILE}__avx512skx_mul32(
	size_t channels,
	size_t output_width,
	const ${XINT8_T}** input,
	const void* weights,
	${XINT8_T}* output,
	size_t input_stride,
	size_t output_increment,
	size_t input_offset,
	const ${XINT8_T}* zero,
	const union ${PARAMS_UNION} params[restrict XNN_MIN_ELEMENTS(1)]) XNN_DISABLE_TSAN
	{
	assert(channels != 0);
	assert(output_width != 0);

	$if DATATYPE != "QC8":
	$if REQUANTIZATION == "GEMMLOWP":
	const __mmask16 vblend_mask = _cvtu32_mask16(0xAAAA);
	const __m512i vmultiplier = _mm512_set1_epi64(params->${PARAMS_STRUCT}.multiplier);
	const __m512i vrounding = _mm512_set1_epi64(params->${PARAMS_STRUCT}.rounding);
	const __m512i vremainder_mask = _mm512_set1_epi32(params->${PARAMS_STRUCT}.remainder_mask);
	const __m512i vremainder_threshold = _mm512_set1_epi32(params->${PARAMS_STRUCT}.remainder_threshold);
	const __m128i vshift = _mm_loadl_epi64((const __m128i*) &params->${PARAMS_STRUCT}.shift);
	$else:
	const __m512 vscale = _mm512_load_ps(params->${PARAMS_STRUCT}.scale);
	$if CHANNEL_TILE > 16:
	const __m512i voutput_zero_point = _mm512_load_si512(params->${PARAMS_STRUCT}.output_zero_point);
	const __m256i voutput_min = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_min);
	const __m256i voutput_max = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_max);
	const __m256i vpermute_mask = _mm256_set_epi32(7, 3, 5, 1, 6, 2, 4, 0);
	$else:
	const __m256i voutput_zero_point = _mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.output_zero_point);
	const __m128i voutput_min = _mm_load_si128((const __m128i*) params->${PARAMS_STRUCT}.output_min);
	const __m128i voutput_max = _mm_load_si128((const __m128i*) params->${PARAMS_STRUCT}.output_max);

	$if DATATYPE == "QU8":
	const __m512i vk_zero_point = _mm512_cvtepu16_epi32(_mm256_load_si256((const __m256i*) params->${PARAMS_STRUCT}.kernel_zero_point));
	do {
	$for K in range(KERNEL_TILE):
	const ${XINT8_T}* i${K} = input[${K}];
	assert(i${K} != NULL);
	if XNN_UNPREDICTABLE(i${K} != zero) {
	i${K} = (const ${XINT8_T}*) ((uintptr_t) i${K} + input_offset);
	}
	input = (const ${XINT8_T}**) ((uintptr_t) input + input_stride);

	size_t c = channels;
	const void* w = weights;
	for (; c >= ${CHANNEL_TILE}; c -= ${CHANNEL_TILE}) {
	__m512i vacc${ABC[0:16]} = _mm512_loadu_si512(w);
	$for C in range(16, CHANNEL_TILE, 16):
	__m512i vacc${ABC[C:C+16]} = _mm512_loadu_si512((const void) ((uintptr_t) w + ${C} sizeof(int32_t)));

	$for K in range(KERNEL_TILE):

	$for C in range(0, CHANNEL_TILE, 16):
	$if C == 0:
	const __m512i vi${K}x${ABC[0:16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) i${K}));
	$else:
	const __m512i vi${K}x${ABC[C:C+16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) (i${K} + ${C})));
	$if DATATYPE == "QU8":
	const __m512i vk${K}x${ABC[C:C+16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_load_si128((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(${XINT8_T})))), vk_zero_point);
	$else:
	const __m512i vk${K}x${ABC[C:C+16]} = _mm512_cvtepi8_epi32(_mm_load_si128((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE + C} * sizeof(${XINT8_T}))));
	i${K} += ${CHANNEL_TILE};

	$for C in range(0, CHANNEL_TILE, 16):
	vacc${ABC[C:C+16]} = _mm512_add_epi32(vacc${ABC[C:C+16]}, _mm512_mullo_epi32(vi${K}x${ABC[C:C+16]}, vk${K}x${ABC[C:C+16]}));

	w = (const void) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${KERNEL_TILE * CHANNEL_TILE} * sizeof(${XINT8_T}));

	$if REQUANTIZATION == "GEMMLOWP":
	$for C in range(0, CHANNEL_TILE, 16):
	const __m512i vacc${ABC[C+1:C+16:2]} = _mm512_shuffle_epi32(vacc${ABC[C:C+16]}, _MM_SHUFFLE(3, 3, 1, 1));

	$for C in range(0, CHANNEL_TILE, 16):
	const __m512i vprod${ABC[C:C+16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[C:C+16]}, vmultiplier), vrounding);
	const __m512i vprod${ABC[C+1:C+16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[C+1:C+16:2]}, vmultiplier), vrounding);

	$for C in range(0, CHANNEL_TILE, 16):
	const __m512i vq31prod${ABC[C:C+16:2]} = _mm512_srli_epi64(vprod${ABC[C:C+16:2]}, 31);
	const __m512i vq31prod${ABC[C+1:C+16:2]} = _mm512_add_epi64(vprod${ABC[C+1:C+16:2]}, vprod${ABC[C+1:C+16:2]});

	$for C in range(0, CHANNEL_TILE, 16):
	const __m512i vq31prod${ABC[C:C+16]} = _mm512_mask_blend_epi32(vblend_mask, vq31prod${ABC[C:C+16:2]}, vq31prod${ABC[C+1:C+16:2]});

	$for C in range(0, CHANNEL_TILE, 16):
	const __m512i vrem${ABC[C:C+16]} =
	_mm512_add_epi32(_mm512_and_epi32(vq31prod${ABC[C:C+16]}, vremainder_mask), _mm512_srai_epi32(vq31prod${ABC[C:C+16]}, 31));

	$for C in range(0, CHANNEL_TILE, 16):
	vacc${ABC[C:C+16]} = _mm512_sra_epi32(vq31prod${ABC[C:C+16]}, vshift);

	const __m512i vminus_one = _mm512_set1_epi32(-1);
	$for C in range(0, CHANNEL_TILE, 16):
	vacc${ABC[C:C+16]} = _mm512_mask_sub_epi32(vacc${ABC[C:C+16]}, _mm512_cmpgt_epi32_mask(vrem${ABC[C:C+16]}, vremainder_threshold), vacc${ABC[C:C+16]}, vminus_one);
	$elif REQUANTIZATION == "FP32":
	$for C in range(0, CHANNEL_TILE, 16):
	__m512 vscaled${ABC[C:C+16]} = _mm512_cvtepi32_ps(vacc${ABC[C:C+16]});

	$if DATATYPE == "QC8":
	const __m512 vscale${ABC[0:16]} = _mm512_loadu_ps(w);
	$for C in range(16, CHANNEL_TILE, 16):
	const __m512 vscale${ABC[C:C+16]} = _mm512_loadu_ps((const void) ((uintptr_t) w + ${C} sizeof(float)));
	w = (const void) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(float));
	$for C in range(0, CHANNEL_TILE, 16):
	vscaled${ABC[C:C+16]} = _mm512_mul_ps(vscaled${ABC[C:C+16]}, vscale${ABC[C:C+16]});
	$else:
	$for C in range(0, CHANNEL_TILE, 16):
	vscaled${ABC[C:C+16]} = _mm512_mul_ps(vscaled${ABC[C:C+16]}, vscale);

	$for C in range(0, CHANNEL_TILE, 16):
	vacc${ABC[C:C+16]} = _mm512_cvtps_epi32(vscaled${ABC[C:C+16]});

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 16 < CHANNEL_TILE:
	__m512i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = _mm512_adds_epi16(_mm512_packs_epi32(vacc${ABC[C:C+16]}, vacc${ABC[C+16:C+32]}), voutput_zero_point);
	$elif CHANNEL_TILE > 16:
	__m256i vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[C:C+16]}), _mm512_extracti32x8_epi32(vacc${ABC[C:C+16]}, 1)), _mm512_castsi512_si256(voutput_zero_point));
	$else:
	__m256i vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[C:C+16]}), _mm512_extracti32x8_epi32(vacc${ABC[C:C+16]}, 1)), voutput_zero_point);

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 16 < CHANNEL_TILE:
	const __m256i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]} = _mm512_castsi512_si256(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]});
	const __m256i vout${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = _mm512_extracti32x8_epi32(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]}, 1);
	const __m256i vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+12:C+16]}${ABC[C+28:C+32]} = ${_MM256_PACKXS_EPI16}(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}, vout${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+12:C+16]}${ABC[C+28:C+32]});
	__m256i vout${ABC[C:C+32]} = _mm256_permutevar8x32_epi32(vout${ABC[C:C+4]}${ABC[C+16:C+20]}${ABC[C+8:C+12]}${ABC[C+24:C+28]}${ABC[C+4:C+8]}${ABC[C+20:C+24]}${ABC[C+12:C+16]}${ABC[C+28:C+32]}, vpermute_mask);
	$else:
	const __m128i vout${ABC[C:C+4]}${ABC[C+8:C+12]} = _mm256_castsi256_si128(vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]});
	const __m128i vout${ABC[C+4:C+8]}${ABC[C+12:C+16]} = _mm256_extracti128_si256(vout${ABC[C:C+4]}${ABC[C+8:C+12]}${ABC[C+4:C+8]}${ABC[C+12:C+16]}, 1);
	__m128i vout${ABC[C:C+16]} = _mm_shuffle_epi32(${_MM_PACKXS_EPI16}(vout${ABC[C:C+4]}${ABC[C+8:C+12]}, vout${ABC[C+4:C+8]}${ABC[C+12:C+16]}), _MM_SHUFFLE(3, 1, 2, 0));

	$for C in range(0, CHANNEL_TILE, 16):
	$if C + 16 < CHANNEL_TILE:
	vout${ABC[C:C+32]} = ${_MM256_MAX_EPX8}(vout${ABC[C:C+32]}, voutput_min);
	vout${ABC[C:C+32]} = ${_MM256_MIN_EPX8}(vout${ABC[C:C+32]}, voutput_max);
	$elif CHANNEL_TILE > 16:
	vout${ABC[C:C+16]} = ${_MM_MAX_EPX8}(vout${ABC[C:C+16]}, _mm256_castsi256_si128(voutput_min));
	vout${ABC[C:C+16]} = ${_MM_MIN_EPX8}(vout${ABC[C:C+16]}, _mm256_castsi256_si128(voutput_max));
	$else:
	vout${ABC[C:C+16]} = ${_MM_MAX_EPX8}(vout${ABC[C:C+16]}, voutput_min);
	vout${ABC[C:C+16]} = ${_MM_MIN_EPX8}(vout${ABC[C:C+16]}, voutput_max);

	$if CHANNEL_TILE > 16:
	_mm256_storeu_si256((__m256i*) output, vout${ABC[0:32]});
	$else:
	_mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
	$for C in range(16, CHANNEL_TILE, 16):
	$if C + 16 < CHANNEL_TILE:
	_mm256_storeu_si256((__m256i*) (output + ${C}), vout${ABC[C:C+32]});
	$else:
	_mm_storeu_si128((__m128i*) (output + ${C}), vout${ABC[C:C+16]});
	output += ${CHANNEL_TILE};
	}
	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)));
	$if CHANNEL_TILE > 16:
	const ${XINT8_T}* k = (const ${XINT8_T}) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t));
	${"do " if CHANNEL_TILE > 16 else ""}{
	__m512i vacc${ABC[0:16]} = _mm512_loadu_si512(w);

	$for K in range(KERNEL_TILE):

	const __m512i vi${K}x${ABC[0:16]} = ${_MM512_CVTEPX8_EPI32}(_mm_loadu_si128((const __m128i*) i${K}));
	$if DATATYPE == "QU8":
	$if CHANNEL_TILE > 16:
	$if K == 0:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) k)), vk_zero_point);
	$else:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i) (k + ${K CHANNEL_TILE}))), vk_zero_point);
	$else:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_sub_epi32(_mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(${XINT8_T})))), vk_zero_point);
	$else:
	$if CHANNEL_TILE > 16:
	$if K == 0:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i*) k));
	$else:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i) (k + ${K CHANNEL_TILE})));
	$else:
	const __m512i vk${K}x${ABC[0:16]} = _mm512_cvtepi8_epi32(_mm_loadu_si128((const __m128i) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${K * CHANNEL_TILE} * sizeof(${XINT8_T}))));
	$if CHANNEL_TILE > 16:
	i${K} += 16;

	vacc${ABC[0:16]} = _mm512_add_epi32(vacc${ABC[0:16]}, _mm512_mullo_epi32(vi${K}x${ABC[0:16]}, vk${K}x${ABC[0:16]}));

	$if CHANNEL_TILE > 16:
	k += 16;

	$if REQUANTIZATION == "GEMMLOWP":
	const __m512i vacc${ABC[1:16:2]} = _mm512_shuffle_epi32(vacc${ABC[0:16]}, _MM_SHUFFLE(3, 3, 1, 1));

	const __m512i vprod${ABC[0:16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[0:16]}, vmultiplier), vrounding);
	const __m512i vprod${ABC[1:16:2]} = _mm512_add_epi64(_mm512_mul_epi32(vacc${ABC[1:16:2]}, vmultiplier), vrounding);

	const __m512i vq31prod${ABC[0:16:2]} = _mm512_srli_epi64(vprod${ABC[0:16:2]}, 31);
	const __m512i vq31prod${ABC[1:16:2]} = _mm512_add_epi64(vprod${ABC[1:16:2]}, vprod${ABC[1:16:2]});

	const __m512i vq31prod${ABC[0:16]} = _mm512_mask_blend_epi32(vblend_mask, vq31prod${ABC[0:16:2]}, vq31prod${ABC[1:16:2]});

	const __m512i vrem${ABC[0:16]} = _mm512_add_epi32(_mm512_and_epi32(vq31prod${ABC[0:16]}, vremainder_mask), _mm512_srai_epi32(vq31prod${ABC[0:16]}, 31));

	vacc${ABC[0:16]} = _mm512_sra_epi32(vq31prod${ABC[0:16]}, vshift);
	vacc${ABC[0:16]} = _mm512_mask_sub_epi32(vacc${ABC[0:16]}, _mm512_cmpgt_epi32_mask(vrem${ABC[0:16]}, vremainder_threshold), vacc${ABC[0:16]}, _mm512_set1_epi32(-1));
	$elif REQUANTIZATION == "FP32":
	__m512 vscaled${ABC[0:16]} = _mm512_cvtepi32_ps(vacc${ABC[0:16]});
	$if DATATYPE == "QC8":
	const __m512 vscale${ABC[0:16]} = _mm512_loadu_ps((const void) ((uintptr_t) w + ${CHANNEL_TILE} sizeof(int32_t) + ${CHANNEL_TILE * KERNEL_TILE} * sizeof(${XINT8_T})));
	vscaled${ABC[0:16]} = _mm512_mul_ps(vscaled${ABC[0:16]}, vscale${ABC[0:16]});
	$else:
	vscaled${ABC[0:16]} = _mm512_mul_ps(vscaled${ABC[0:16]}, vscale);
	vacc${ABC[0:16]} = _mm512_cvtps_epi32(vscaled${ABC[0:16]});

	$if CHANNEL_TILE > 16:
	w = (const void) ((uintptr_t) w + 16 sizeof(int32_t));

	$if CHANNEL_TILE > 16:
	__m256i vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[0:16]}), _mm512_extracti32x8_epi32(vacc${ABC[0:16]}, 1)), _mm512_castsi512_si256(voutput_zero_point));
	$else:
	__m256i vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]} = _mm256_adds_epi16(_mm256_packs_epi32(_mm512_castsi512_si256(vacc${ABC[0:16]}), _mm512_extracti32x8_epi32(vacc${ABC[0:16]}, 1)), voutput_zero_point);

	const __m128i vout${ABC[0:4]}${ABC[8:12]} = _mm256_castsi256_si128(vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]});
	const __m128i vout${ABC[4:8]}${ABC[12:16]} = _mm256_extracti128_si256(vout${ABC[0:4]}${ABC[8:12]}${ABC[4:8]}${ABC[12:16]}, 1);
	__m128i vout${ABC[0:16]} = _mm_shuffle_epi32(${_MM_PACKXS_EPI16}(vout${ABC[0:4]}${ABC[8:12]}, vout${ABC[4:8]}${ABC[12:16]}), _MM_SHUFFLE(3, 1, 2, 0));
	$if CHANNEL_TILE > 16:
	vout${ABC[0:16]} = ${_MM_MAX_EPX8}(vout${ABC[0:16]}, _mm256_castsi256_si128(voutput_min));
	vout${ABC[0:16]} = ${_MM_MIN_EPX8}(vout${ABC[0:16]}, _mm256_castsi256_si128(voutput_max));
	$else:
	vout${ABC[0:16]} = ${_MM_MAX_EPX8}(vout${ABC[0:16]}, voutput_min);
	vout${ABC[0:16]} = ${_MM_MIN_EPX8}(vout${ABC[0:16]}, voutput_max);

	$if CHANNEL_TILE > 16:
	if XNN_LIKELY(c >= 16) {
	_mm_storeu_si128((__m128i*) output, vout${ABC[0:16]});
	output += 16;
	c -= 16;
	} else {
	_mm_mask_storeu_epi8(output, vmask, vout${ABC[0:16]});
	output = (${XINT8_T}*) ((uintptr_t) output + c);
	c = 0;
	}
	$else:
	_mm_mask_storeu_epi8(output, vmask, vout${ABC[0:16]});
	output = (${XINT8_T}*) ((uintptr_t) output + c);
	}${" while (c != 0);" if CHANNEL_TILE > 16 else ""}
	}

	output = (${XINT8_T}*) ((uintptr_t) output + output_increment);
	} while (--output_width != 0);
	}