| // Auto-generated file. Do not edit! |
| // Template: src/qs8-f32-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_qu8_f32_vcvt_ukernel__avx512skx_x64( |
| size_t n, |
| const uint8_t* x, |
| float* y, |
| const union xnn_qu8_f32_cvt_params params[restrict XNN_MIN_ELEMENTS(1)]) XNN_OOB_READS |
| { |
| assert(n != 0); |
| assert(n % sizeof(uint8_t) == 0); |
| assert(x != NULL); |
| assert(y != NULL); |
| |
| const __m512i vminus_zero_point = _mm512_load_si512(params->avx512.minus_zero_point); |
| const __m512 vscale = _mm512_load_ps(params->avx512.scale); |
| for (; n >= 64 * sizeof(uint8_t); n -= 64 * sizeof(uint8_t)) { |
| __m512i vx0123456789ABCDEF = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) x)); |
| __m512i vxGHIJKLMNOPQRSTUV = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (x + 16))); |
| __m512i vxWXYZ = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (x + 32))); |
| __m512i vx = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) (x + 48))); |
| x += 64; |
| |
| vx0123456789ABCDEF = _mm512_add_epi32(vx0123456789ABCDEF, vminus_zero_point); |
| vxGHIJKLMNOPQRSTUV = _mm512_add_epi32(vxGHIJKLMNOPQRSTUV, vminus_zero_point); |
| vxWXYZ = _mm512_add_epi32(vxWXYZ, vminus_zero_point); |
| vx = _mm512_add_epi32(vx, vminus_zero_point); |
| |
| __m512 vy0123456789ABCDEF = _mm512_cvtepi32_ps(vx0123456789ABCDEF); |
| __m512 vyGHIJKLMNOPQRSTUV = _mm512_cvtepi32_ps(vxGHIJKLMNOPQRSTUV); |
| __m512 vyWXYZ = _mm512_cvtepi32_ps(vxWXYZ); |
| __m512 vy = _mm512_cvtepi32_ps(vx); |
| |
| vy0123456789ABCDEF = _mm512_mul_ps(vy0123456789ABCDEF, vscale); |
| vyGHIJKLMNOPQRSTUV = _mm512_mul_ps(vyGHIJKLMNOPQRSTUV, vscale); |
| vyWXYZ = _mm512_mul_ps(vyWXYZ, vscale); |
| vy = _mm512_mul_ps(vy, vscale); |
| |
| _mm512_storeu_ps(y, vy0123456789ABCDEF); |
| _mm512_storeu_ps(y + 16, vyGHIJKLMNOPQRSTUV); |
| _mm512_storeu_ps(y + 32, vyWXYZ); |
| _mm512_storeu_ps(y + 48, vy); |
| y += 64; |
| } |
| for (; n >= 16 * sizeof(uint8_t); n -= 16 * sizeof(uint8_t)) { |
| __m512i vx = _mm512_cvtepu8_epi32(_mm_loadu_si128((const __m128i*) x)); |
| vx = _mm512_add_epi32(vx, vminus_zero_point); |
| x += 16; |
| |
| __m512 vy = _mm512_cvtepi32_ps(vx); |
| vy = _mm512_mul_ps(vy, vscale); |
| |
| _mm512_storeu_ps(y, vy); |
| y += 16; |
| } |
| if XNN_UNLIKELY(n != 0) { |
| assert(n >= 1 * sizeof(uint8_t)); |
| assert(n <= 15 * sizeof(uint8_t)); |
| |
| // Prepare mask for valid elements (depends on n). |
| const __mmask16 vmask = _cvtu32_mask16((uint16_t) ((uint32_t) (UINT32_C(1) << n) - UINT32_C(1))); |
| |
| __m512i vx = _mm512_cvtepu8_epi32(_mm_maskz_loadu_epi8(vmask, x)); |
| vx = _mm512_add_epi32(vx, vminus_zero_point); |
| |
| __m512 vy = _mm512_cvtepi32_ps(vx); |
| vy = _mm512_mul_ps(vy, vscale); |
| |
| _mm512_mask_storeu_ps(y, vmask, vy); |
| } |
| } |