| // Auto-generated file. Do not edit! |
| // Template: src/f32-qs8-vcvt/avx512skx.c.in |
| // Generator: tools/xngen |
| // |
| // Copyright 2021 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/common.h> |
| #include <xnnpack/intrinsics-polyfill.h> |
| #include <xnnpack/vcvt.h> |
| |
| |
| void xnn_f32_qu8_vcvt_ukernel__avx512skx_x128( |
| size_t n, |
| const float* x, |
| uint8_t* y, |
| const union xnn_f32_qu8_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) |
| { |
| assert(n != 0); |
| assert(n % sizeof(float) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const __m512 vscale = _mm512_load_ps(params->avx2.scale); |
| const __m512 voutput_max_less_zero_point = _mm512_load_ps(params->avx512.output_max_less_zero_point); |
| const __m512i voutput_zero_point = _mm512_load_si512(params->avx512.output_zero_point); |
| const __m512i vshuffle512_mask = _mm512_load_si512(params->avx512.shuffle512_mask); |
| const __m512i voutput_min = _mm512_load_si512(params->avx512.output_min); |
| for (; n >= 128 * sizeof(float); n -= 128 * sizeof(float)) { |
| __m512 vx0123 = _mm512_loadu_ps(x); |
| __m512 vx4567 = _mm512_loadu_ps(x + 16); |
| __m512 vx89AB = _mm512_loadu_ps(x + 32); |
| __m512 vxCDEF = _mm512_loadu_ps(x + 48); |
| __m512 vxGHIJ = _mm512_loadu_ps(x + 64); |
| __m512 vxKLMN = _mm512_loadu_ps(x + 80); |
| __m512 vxOPQR = _mm512_loadu_ps(x + 96); |
| __m512 vxSTUV = _mm512_loadu_ps(x + 112); |
| x += 128; |
| |
| vx0123 = _mm512_mul_ps(vx0123, vscale); |
| vx4567 = _mm512_mul_ps(vx4567, vscale); |
| vx89AB = _mm512_mul_ps(vx89AB, vscale); |
| vxCDEF = _mm512_mul_ps(vxCDEF, vscale); |
| vxGHIJ = _mm512_mul_ps(vxGHIJ, vscale); |
| vxKLMN = _mm512_mul_ps(vxKLMN, vscale); |
| vxOPQR = _mm512_mul_ps(vxOPQR, vscale); |
| vxSTUV = _mm512_mul_ps(vxSTUV, vscale); |
| |
| vx0123 = _mm512_min_ps(vx0123, voutput_max_less_zero_point); |
| vx4567 = _mm512_min_ps(vx4567, voutput_max_less_zero_point); |
| vx89AB = _mm512_min_ps(vx89AB, voutput_max_less_zero_point); |
| vxCDEF = _mm512_min_ps(vxCDEF, voutput_max_less_zero_point); |
| vxGHIJ = _mm512_min_ps(vxGHIJ, voutput_max_less_zero_point); |
| vxKLMN = _mm512_min_ps(vxKLMN, voutput_max_less_zero_point); |
| vxOPQR = _mm512_min_ps(vxOPQR, voutput_max_less_zero_point); |
| vxSTUV = _mm512_min_ps(vxSTUV, voutput_max_less_zero_point); |
| |
| const __m512i vacc0123 = _mm512_cvtps_epi32(vx0123); |
| const __m512i vacc4567 = _mm512_cvtps_epi32(vx4567); |
| const __m512i vacc89AB = _mm512_cvtps_epi32(vx89AB); |
| const __m512i vaccCDEF = _mm512_cvtps_epi32(vxCDEF); |
| const __m512i vaccGHIJ = _mm512_cvtps_epi32(vxGHIJ); |
| const __m512i vaccKLMN = _mm512_cvtps_epi32(vxKLMN); |
| const __m512i vaccOPQR = _mm512_cvtps_epi32(vxOPQR); |
| const __m512i vaccSTUV = _mm512_cvtps_epi32(vxSTUV); |
| |
| __m512i vacc04152637 = _mm512_packs_epi32(vacc0123, vacc4567); |
| __m512i vacc8C9DAEBF = _mm512_packs_epi32(vacc89AB, vaccCDEF); |
| __m512i vaccGKHLIMJN = _mm512_packs_epi32(vaccGHIJ, vaccKLMN); |
| __m512i vaccOSPTQURV = _mm512_packs_epi32(vaccOPQR, vaccSTUV); |
| |
| vacc04152637 = _mm512_adds_epi16(vacc04152637, voutput_zero_point); |
| vacc8C9DAEBF = _mm512_adds_epi16(vacc8C9DAEBF, voutput_zero_point); |
| vaccGKHLIMJN = _mm512_adds_epi16(vaccGKHLIMJN, voutput_zero_point); |
| vaccOSPTQURV = _mm512_adds_epi16(vaccOSPTQURV, voutput_zero_point); |
| |
| __m512i vy048C159D26AE37BF = _mm512_packus_epi16(vacc04152637, vacc8C9DAEBF); |
| __m512i vyGKOSHLPTIMQUJNRV = _mm512_packus_epi16(vaccGKHLIMJN, vaccOSPTQURV); |
| |
| vy048C159D26AE37BF = _mm512_max_epu8(vy048C159D26AE37BF, voutput_min); |
| vyGKOSHLPTIMQUJNRV = _mm512_max_epu8(vyGKOSHLPTIMQUJNRV, voutput_min); |
| |
| const __m512i vy0123456789ABCDEF = _mm512_permutexvar_epi32(vshuffle512_mask, vy048C159D26AE37BF); |
| const __m512i vyGHIJKLMNOPQRSTUV = _mm512_permutexvar_epi32(vshuffle512_mask, vyGKOSHLPTIMQUJNRV); |
| |
| _mm512_storeu_si512(y, vy0123456789ABCDEF); |
| _mm512_storeu_si512(y + 64, vyGHIJKLMNOPQRSTUV); |
| y += 128; |
| } |
| for (; n >= 16 * sizeof(float); n -= 16 * sizeof(float)) { |
| __m512 vx0123 = _mm512_loadu_ps(x); |
| vx0123 = _mm512_mul_ps(vx0123, vscale); |
| vx0123 = _mm512_min_ps(vx0123, voutput_max_less_zero_point); |
| x += 16; |
| |
| const __m512i vacc0123 = _mm512_cvtps_epi32(vx0123); |
| |
| __m256i vacc0213 = _mm256_packs_epi32(_mm512_castsi512_si256(vacc0123), _mm512_extracti32x8_epi32(vacc0123, 1)); |
| vacc0213 = _mm256_adds_epi16(vacc0213, _mm512_castsi512_si256(voutput_zero_point)); |
| const __m128i vy0213 = _mm_packus_epi16(_mm256_castsi256_si128(vacc0213), _mm256_extracti128_si256(vacc0213, 1)); |
| __m128i vy0123 = _mm_shuffle_epi32(vy0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| vy0123 = _mm_max_epu8(vy0123, _mm512_castsi512_si128(voutput_min)); |
| |
| _mm_storeu_si128((__m128i*) y, vy0123); |
| y += 16; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| assert(n >= 1 * sizeof(float)); |
| assert(n <= 15 * sizeof(float)); |
| |
| // Prepare mask for valid elements (depends on n). |
| n >>= 2 /* log2(sizeof(float)) */; |
| const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1))); |
| |
| __m512 vx0123 = _mm512_maskz_loadu_ps(vmask, x); |
| vx0123 = _mm512_mul_ps(vx0123, vscale); |
| vx0123 = _mm512_min_ps(vx0123, voutput_max_less_zero_point); |
| |
| const __m512i vacc0123 = _mm512_cvtps_epi32(vx0123); |
| |
| __m256i vacc0213 = _mm256_packs_epi32(_mm512_castsi512_si256(vacc0123), _mm512_extracti32x8_epi32(vacc0123, 1)); |
| vacc0213 = _mm256_adds_epi16(vacc0213, _mm512_castsi512_si256(voutput_zero_point)); |
| const __m128i vy0213 = _mm_packus_epi16(_mm256_castsi256_si128(vacc0213), _mm256_extracti128_si256(vacc0213, 1)); |
| __m128i vy0123 = _mm_shuffle_epi32(vy0213, _MM_SHUFFLE(3, 1, 2, 0)); |
| vy0123 = _mm_max_epu8(vy0123, _mm512_castsi512_si128(voutput_min)); |
| |
| _mm_mask_storeu_epi8(y, vmask, vy0123); |
| } |
| } |