diff options
Diffstat (limited to 'vpx_dsp/x86/sse_avx2.c')
| -rw-r--r-- | vpx_dsp/x86/sse_avx2.c | 367 |
1 files changed, 367 insertions, 0 deletions
diff --git a/vpx_dsp/x86/sse_avx2.c b/vpx_dsp/x86/sse_avx2.c new file mode 100644 index 000000000..917ff0ef1 --- /dev/null +++ b/vpx_dsp/x86/sse_avx2.c @@ -0,0 +1,367 @@ +/* + * Copyright (c) 2023 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <smmintrin.h> +#include <immintrin.h> + +#include "./vpx_config.h" +#include "./vpx_dsp_rtcd.h" + +#include "vpx_ports/mem.h" +#include "vpx_dsp/x86/mem_sse2.h" + +static INLINE void sse_w32_avx2(__m256i *sum, const uint8_t *a, + const uint8_t *b) { + const __m256i v_a0 = _mm256_loadu_si256((const __m256i *)a); + const __m256i v_b0 = _mm256_loadu_si256((const __m256i *)b); + const __m256i zero = _mm256_setzero_si256(); + const __m256i v_a00_w = _mm256_unpacklo_epi8(v_a0, zero); + const __m256i v_a01_w = _mm256_unpackhi_epi8(v_a0, zero); + const __m256i v_b00_w = _mm256_unpacklo_epi8(v_b0, zero); + const __m256i v_b01_w = _mm256_unpackhi_epi8(v_b0, zero); + const __m256i v_d00_w = _mm256_sub_epi16(v_a00_w, v_b00_w); + const __m256i v_d01_w = _mm256_sub_epi16(v_a01_w, v_b01_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d00_w, v_d00_w)); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d01_w, v_d01_w)); +} + +static INLINE int64_t summary_all_avx2(const __m256i *sum_all) { + int64_t sum; + __m256i zero = _mm256_setzero_si256(); + const __m256i sum0_4x64 = _mm256_unpacklo_epi32(*sum_all, zero); + const __m256i sum1_4x64 = _mm256_unpackhi_epi32(*sum_all, zero); + const __m256i sum_4x64 = _mm256_add_epi64(sum0_4x64, sum1_4x64); + const __m128i sum_2x64 = _mm_add_epi64(_mm256_castsi256_si128(sum_4x64), + _mm256_extracti128_si256(sum_4x64, 1)); + const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8)); + _mm_storel_epi64((__m128i *)&sum, sum_1x64); + return sum; +} + +#if CONFIG_VP9_HIGHBITDEPTH +static INLINE void summary_32_avx2(const __m256i *sum32, __m256i *sum) { + const __m256i sum0_4x64 = + _mm256_cvtepu32_epi64(_mm256_castsi256_si128(*sum32)); + const __m256i sum1_4x64 = + _mm256_cvtepu32_epi64(_mm256_extracti128_si256(*sum32, 1)); + const __m256i sum_4x64 = _mm256_add_epi64(sum0_4x64, sum1_4x64); + *sum = _mm256_add_epi64(*sum, sum_4x64); +} + +static INLINE int64_t summary_4x64_avx2(const __m256i sum_4x64) { + int64_t sum; + const __m128i sum_2x64 = _mm_add_epi64(_mm256_castsi256_si128(sum_4x64), + _mm256_extracti128_si256(sum_4x64, 1)); + const __m128i sum_1x64 = _mm_add_epi64(sum_2x64, _mm_srli_si128(sum_2x64, 8)); + + _mm_storel_epi64((__m128i *)&sum, sum_1x64); + return sum; +} +#endif + +static INLINE void sse_w4x4_avx2(const uint8_t *a, int a_stride, + const uint8_t *b, int b_stride, __m256i *sum) { + const __m128i v_a0 = load_unaligned_u32(a); + const __m128i v_a1 = load_unaligned_u32(a + a_stride); + const __m128i v_a2 = load_unaligned_u32(a + a_stride * 2); + const __m128i v_a3 = load_unaligned_u32(a + a_stride * 3); + const __m128i v_b0 = load_unaligned_u32(b); + const __m128i v_b1 = load_unaligned_u32(b + b_stride); + const __m128i v_b2 = load_unaligned_u32(b + b_stride * 2); + const __m128i v_b3 = load_unaligned_u32(b + b_stride * 3); + const __m128i v_a0123 = _mm_unpacklo_epi64(_mm_unpacklo_epi32(v_a0, v_a1), + _mm_unpacklo_epi32(v_a2, v_a3)); + const __m128i v_b0123 = _mm_unpacklo_epi64(_mm_unpacklo_epi32(v_b0, v_b1), + _mm_unpacklo_epi32(v_b2, v_b3)); + const __m256i v_a_w = _mm256_cvtepu8_epi16(v_a0123); + const __m256i v_b_w = _mm256_cvtepu8_epi16(v_b0123); + const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w)); +} + +static INLINE void sse_w8x2_avx2(const uint8_t *a, int a_stride, + const uint8_t *b, int b_stride, __m256i *sum) { + const __m128i v_a0 = _mm_loadl_epi64((const __m128i *)a); + const __m128i v_a1 = _mm_loadl_epi64((const __m128i *)(a + a_stride)); + const __m128i v_b0 = _mm_loadl_epi64((const __m128i *)b); + const __m128i v_b1 = _mm_loadl_epi64((const __m128i *)(b + b_stride)); + const __m256i v_a_w = _mm256_cvtepu8_epi16(_mm_unpacklo_epi64(v_a0, v_a1)); + const __m256i v_b_w = _mm256_cvtepu8_epi16(_mm_unpacklo_epi64(v_b0, v_b1)); + const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w)); +} + +int64_t vpx_sse_avx2(const uint8_t *a, int a_stride, const uint8_t *b, + int b_stride, int width, int height) { + int32_t y = 0; + int64_t sse = 0; + __m256i sum = _mm256_setzero_si256(); + __m256i zero = _mm256_setzero_si256(); + switch (width) { + case 4: + do { + sse_w4x4_avx2(a, a_stride, b, b_stride, &sum); + a += a_stride << 2; + b += b_stride << 2; + y += 4; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 8: + do { + sse_w8x2_avx2(a, a_stride, b, b_stride, &sum); + a += a_stride << 1; + b += b_stride << 1; + y += 2; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 16: + do { + const __m128i v_a0 = _mm_loadu_si128((const __m128i *)a); + const __m128i v_a1 = _mm_loadu_si128((const __m128i *)(a + a_stride)); + const __m128i v_b0 = _mm_loadu_si128((const __m128i *)b); + const __m128i v_b1 = _mm_loadu_si128((const __m128i *)(b + b_stride)); + const __m256i v_a = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_a0), v_a1, 0x01); + const __m256i v_b = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_b0), v_b1, 0x01); + const __m256i v_al = _mm256_unpacklo_epi8(v_a, zero); + const __m256i v_au = _mm256_unpackhi_epi8(v_a, zero); + const __m256i v_bl = _mm256_unpacklo_epi8(v_b, zero); + const __m256i v_bu = _mm256_unpackhi_epi8(v_b, zero); + const __m256i v_asub = _mm256_sub_epi16(v_al, v_bl); + const __m256i v_bsub = _mm256_sub_epi16(v_au, v_bu); + const __m256i temp = + _mm256_add_epi32(_mm256_madd_epi16(v_asub, v_asub), + _mm256_madd_epi16(v_bsub, v_bsub)); + sum = _mm256_add_epi32(sum, temp); + a += a_stride << 1; + b += b_stride << 1; + y += 2; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 32: + do { + sse_w32_avx2(&sum, a, b); + a += a_stride; + b += b_stride; + y += 1; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 64: + do { + sse_w32_avx2(&sum, a, b); + sse_w32_avx2(&sum, a + 32, b + 32); + a += a_stride; + b += b_stride; + y += 1; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + default: + if ((width & 0x07) == 0) { + do { + int i = 0; + do { + sse_w8x2_avx2(a + i, a_stride, b + i, b_stride, &sum); + i += 8; + } while (i < width); + a += a_stride << 1; + b += b_stride << 1; + y += 2; + } while (y < height); + } else { + do { + int i = 0; + do { + const uint8_t *a2; + const uint8_t *b2; + sse_w8x2_avx2(a + i, a_stride, b + i, b_stride, &sum); + a2 = a + i + (a_stride << 1); + b2 = b + i + (b_stride << 1); + sse_w8x2_avx2(a2, a_stride, b2, b_stride, &sum); + i += 8; + } while (i + 4 < width); + sse_w4x4_avx2(a + i, a_stride, b + i, b_stride, &sum); + a += a_stride << 2; + b += b_stride << 2; + y += 4; + } while (y < height); + } + sse = summary_all_avx2(&sum); + break; + } + + return sse; +} + +#if CONFIG_VP9_HIGHBITDEPTH +static INLINE void highbd_sse_w16_avx2(__m256i *sum, const uint16_t *a, + const uint16_t *b) { + const __m256i v_a_w = _mm256_loadu_si256((const __m256i *)a); + const __m256i v_b_w = _mm256_loadu_si256((const __m256i *)b); + const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w)); +} + +static INLINE void highbd_sse_w4x4_avx2(__m256i *sum, const uint16_t *a, + int a_stride, const uint16_t *b, + int b_stride) { + const __m128i v_a0 = _mm_loadl_epi64((const __m128i *)a); + const __m128i v_a1 = _mm_loadl_epi64((const __m128i *)(a + a_stride)); + const __m128i v_a2 = _mm_loadl_epi64((const __m128i *)(a + a_stride * 2)); + const __m128i v_a3 = _mm_loadl_epi64((const __m128i *)(a + a_stride * 3)); + const __m128i v_b0 = _mm_loadl_epi64((const __m128i *)b); + const __m128i v_b1 = _mm_loadl_epi64((const __m128i *)(b + b_stride)); + const __m128i v_b2 = _mm_loadl_epi64((const __m128i *)(b + b_stride * 2)); + const __m128i v_b3 = _mm_loadl_epi64((const __m128i *)(b + b_stride * 3)); + const __m128i v_a_hi = _mm_unpacklo_epi64(v_a0, v_a1); + const __m128i v_a_lo = _mm_unpacklo_epi64(v_a2, v_a3); + const __m256i v_a_w = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_a_lo), v_a_hi, 1); + const __m128i v_b_hi = _mm_unpacklo_epi64(v_b0, v_b1); + const __m128i v_b_lo = _mm_unpacklo_epi64(v_b2, v_b3); + const __m256i v_b_w = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_b_lo), v_b_hi, 1); + const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w)); +} + +static INLINE void highbd_sse_w8x2_avx2(__m256i *sum, const uint16_t *a, + int a_stride, const uint16_t *b, + int b_stride) { + const __m128i v_a_hi = _mm_loadu_si128((const __m128i *)(a + a_stride)); + const __m128i v_a_lo = _mm_loadu_si128((const __m128i *)a); + const __m256i v_a_w = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_a_lo), v_a_hi, 1); + const __m128i v_b_hi = _mm_loadu_si128((const __m128i *)(b + b_stride)); + const __m128i v_b_lo = _mm_loadu_si128((const __m128i *)b); + const __m256i v_b_w = + _mm256_insertf128_si256(_mm256_castsi128_si256(v_b_lo), v_b_hi, 1); + const __m256i v_d_w = _mm256_sub_epi16(v_a_w, v_b_w); + *sum = _mm256_add_epi32(*sum, _mm256_madd_epi16(v_d_w, v_d_w)); +} + +int64_t vpx_highbd_sse_avx2(const uint8_t *a8, int a_stride, const uint8_t *b8, + int b_stride, int width, int height) { + int32_t y = 0; + int64_t sse = 0; + uint16_t *a = CONVERT_TO_SHORTPTR(a8); + uint16_t *b = CONVERT_TO_SHORTPTR(b8); + __m256i sum = _mm256_setzero_si256(); + switch (width) { + case 4: + do { + highbd_sse_w4x4_avx2(&sum, a, a_stride, b, b_stride); + a += a_stride << 2; + b += b_stride << 2; + y += 4; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 8: + do { + highbd_sse_w8x2_avx2(&sum, a, a_stride, b, b_stride); + a += a_stride << 1; + b += b_stride << 1; + y += 2; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 16: + do { + highbd_sse_w16_avx2(&sum, a, b); + a += a_stride; + b += b_stride; + y += 1; + } while (y < height); + sse = summary_all_avx2(&sum); + break; + case 32: + do { + int l = 0; + __m256i sum32 = _mm256_setzero_si256(); + do { + highbd_sse_w16_avx2(&sum32, a, b); + highbd_sse_w16_avx2(&sum32, a + 16, b + 16); + a += a_stride; + b += b_stride; + l += 1; + } while (l < 64 && l < (height - y)); + summary_32_avx2(&sum32, &sum); + y += 64; + } while (y < height); + sse = summary_4x64_avx2(sum); + break; + case 64: + do { + int l = 0; + __m256i sum32 = _mm256_setzero_si256(); + do { + highbd_sse_w16_avx2(&sum32, a, b); + highbd_sse_w16_avx2(&sum32, a + 16 * 1, b + 16 * 1); + highbd_sse_w16_avx2(&sum32, a + 16 * 2, b + 16 * 2); + highbd_sse_w16_avx2(&sum32, a + 16 * 3, b + 16 * 3); + a += a_stride; + b += b_stride; + l += 1; + } while (l < 32 && l < (height - y)); + summary_32_avx2(&sum32, &sum); + y += 32; + } while (y < height); + sse = summary_4x64_avx2(sum); + break; + default: + if (width & 0x7) { + do { + int i = 0; + __m256i sum32 = _mm256_setzero_si256(); + do { + const uint16_t *a2; + const uint16_t *b2; + highbd_sse_w8x2_avx2(&sum32, a + i, a_stride, b + i, b_stride); + a2 = a + i + (a_stride << 1); + b2 = b + i + (b_stride << 1); + highbd_sse_w8x2_avx2(&sum32, a2, a_stride, b2, b_stride); + i += 8; + } while (i + 4 < width); + highbd_sse_w4x4_avx2(&sum32, a + i, a_stride, b + i, b_stride); + summary_32_avx2(&sum32, &sum); + a += a_stride << 2; + b += b_stride << 2; + y += 4; + } while (y < height); + } else { + do { + int l = 0; + __m256i sum32 = _mm256_setzero_si256(); + do { + int i = 0; + do { + highbd_sse_w8x2_avx2(&sum32, a + i, a_stride, b + i, b_stride); + i += 8; + } while (i < width); + a += a_stride << 1; + b += b_stride << 1; + l += 2; + } while (l < 8 && l < (height - y)); + summary_32_avx2(&sum32, &sum); + y += 8; + } while (y < height); + } + sse = summary_4x64_avx2(sum); + break; + } + return sse; +} +#endif // CONFIG_VP9_HIGHBITDEPTH |