ref: 264a7ecfd8ed4938378928deb4233c187562dbe5
dir: /vpx_dsp/x86/avg_intrin_avx2.c/
/* * Copyright (c) 2017 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 <immintrin.h> #include "./vpx_dsp_rtcd.h" #include "vpx/vpx_integer.h" #include "vpx_dsp/x86/bitdepth_conversion_avx2.h" #include "vpx_ports/mem.h" #if CONFIG_VP9_HIGHBITDEPTH static void highbd_hadamard_col8_avx2(__m256i *in, int iter) { __m256i a0 = in[0]; __m256i a1 = in[1]; __m256i a2 = in[2]; __m256i a3 = in[3]; __m256i a4 = in[4]; __m256i a5 = in[5]; __m256i a6 = in[6]; __m256i a7 = in[7]; __m256i b0 = _mm256_add_epi32(a0, a1); __m256i b1 = _mm256_sub_epi32(a0, a1); __m256i b2 = _mm256_add_epi32(a2, a3); __m256i b3 = _mm256_sub_epi32(a2, a3); __m256i b4 = _mm256_add_epi32(a4, a5); __m256i b5 = _mm256_sub_epi32(a4, a5); __m256i b6 = _mm256_add_epi32(a6, a7); __m256i b7 = _mm256_sub_epi32(a6, a7); a0 = _mm256_add_epi32(b0, b2); a1 = _mm256_add_epi32(b1, b3); a2 = _mm256_sub_epi32(b0, b2); a3 = _mm256_sub_epi32(b1, b3); a4 = _mm256_add_epi32(b4, b6); a5 = _mm256_add_epi32(b5, b7); a6 = _mm256_sub_epi32(b4, b6); a7 = _mm256_sub_epi32(b5, b7); if (iter == 0) { b0 = _mm256_add_epi32(a0, a4); b7 = _mm256_add_epi32(a1, a5); b3 = _mm256_add_epi32(a2, a6); b4 = _mm256_add_epi32(a3, a7); b2 = _mm256_sub_epi32(a0, a4); b6 = _mm256_sub_epi32(a1, a5); b1 = _mm256_sub_epi32(a2, a6); b5 = _mm256_sub_epi32(a3, a7); a0 = _mm256_unpacklo_epi32(b0, b1); a1 = _mm256_unpacklo_epi32(b2, b3); a2 = _mm256_unpackhi_epi32(b0, b1); a3 = _mm256_unpackhi_epi32(b2, b3); a4 = _mm256_unpacklo_epi32(b4, b5); a5 = _mm256_unpacklo_epi32(b6, b7); a6 = _mm256_unpackhi_epi32(b4, b5); a7 = _mm256_unpackhi_epi32(b6, b7); b0 = _mm256_unpacklo_epi64(a0, a1); b1 = _mm256_unpacklo_epi64(a4, a5); b2 = _mm256_unpackhi_epi64(a0, a1); b3 = _mm256_unpackhi_epi64(a4, a5); b4 = _mm256_unpacklo_epi64(a2, a3); b5 = _mm256_unpacklo_epi64(a6, a7); b6 = _mm256_unpackhi_epi64(a2, a3); b7 = _mm256_unpackhi_epi64(a6, a7); in[0] = _mm256_permute2x128_si256(b0, b1, 0x20); in[1] = _mm256_permute2x128_si256(b0, b1, 0x31); in[2] = _mm256_permute2x128_si256(b2, b3, 0x20); in[3] = _mm256_permute2x128_si256(b2, b3, 0x31); in[4] = _mm256_permute2x128_si256(b4, b5, 0x20); in[5] = _mm256_permute2x128_si256(b4, b5, 0x31); in[6] = _mm256_permute2x128_si256(b6, b7, 0x20); in[7] = _mm256_permute2x128_si256(b6, b7, 0x31); } else { in[0] = _mm256_add_epi32(a0, a4); in[7] = _mm256_add_epi32(a1, a5); in[3] = _mm256_add_epi32(a2, a6); in[4] = _mm256_add_epi32(a3, a7); in[2] = _mm256_sub_epi32(a0, a4); in[6] = _mm256_sub_epi32(a1, a5); in[1] = _mm256_sub_epi32(a2, a6); in[5] = _mm256_sub_epi32(a3, a7); } } void vpx_highbd_hadamard_8x8_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff) { __m128i src16[8]; __m256i src32[8]; src16[0] = _mm_loadu_si128((const __m128i *)src_diff); src16[1] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[2] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[3] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[4] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[5] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[6] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src16[7] = _mm_loadu_si128((const __m128i *)(src_diff += src_stride)); src32[0] = _mm256_cvtepi16_epi32(src16[0]); src32[1] = _mm256_cvtepi16_epi32(src16[1]); src32[2] = _mm256_cvtepi16_epi32(src16[2]); src32[3] = _mm256_cvtepi16_epi32(src16[3]); src32[4] = _mm256_cvtepi16_epi32(src16[4]); src32[5] = _mm256_cvtepi16_epi32(src16[5]); src32[6] = _mm256_cvtepi16_epi32(src16[6]); src32[7] = _mm256_cvtepi16_epi32(src16[7]); highbd_hadamard_col8_avx2(src32, 0); highbd_hadamard_col8_avx2(src32, 1); _mm256_storeu_si256((__m256i *)coeff, src32[0]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[1]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[2]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[3]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[4]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[5]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[6]); coeff += 8; _mm256_storeu_si256((__m256i *)coeff, src32[7]); } void vpx_highbd_hadamard_16x16_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff) { int idx; tran_low_t *t_coeff = coeff; for (idx = 0; idx < 4; ++idx) { const int16_t *src_ptr = src_diff + (idx >> 1) * 8 * src_stride + (idx & 0x01) * 8; vpx_highbd_hadamard_8x8_avx2(src_ptr, src_stride, t_coeff + idx * 64); } for (idx = 0; idx < 64; idx += 8) { __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); __m256i b0 = _mm256_add_epi32(coeff0, coeff1); __m256i b1 = _mm256_sub_epi32(coeff0, coeff1); __m256i b2 = _mm256_add_epi32(coeff2, coeff3); __m256i b3 = _mm256_sub_epi32(coeff2, coeff3); b0 = _mm256_srai_epi32(b0, 1); b1 = _mm256_srai_epi32(b1, 1); b2 = _mm256_srai_epi32(b2, 1); b3 = _mm256_srai_epi32(b3, 1); coeff0 = _mm256_add_epi32(b0, b2); coeff1 = _mm256_add_epi32(b1, b3); coeff2 = _mm256_sub_epi32(b0, b2); coeff3 = _mm256_sub_epi32(b1, b3); _mm256_storeu_si256((__m256i *)coeff, coeff0); _mm256_storeu_si256((__m256i *)(coeff + 64), coeff1); _mm256_storeu_si256((__m256i *)(coeff + 128), coeff2); _mm256_storeu_si256((__m256i *)(coeff + 192), coeff3); coeff += 8; t_coeff += 8; } } void vpx_highbd_hadamard_32x32_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff) { int idx; tran_low_t *t_coeff = coeff; for (idx = 0; idx < 4; ++idx) { const int16_t *src_ptr = src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16; vpx_highbd_hadamard_16x16_avx2(src_ptr, src_stride, t_coeff + idx * 256); } for (idx = 0; idx < 256; idx += 8) { __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 256)); __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 512)); __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 768)); __m256i b0 = _mm256_add_epi32(coeff0, coeff1); __m256i b1 = _mm256_sub_epi32(coeff0, coeff1); __m256i b2 = _mm256_add_epi32(coeff2, coeff3); __m256i b3 = _mm256_sub_epi32(coeff2, coeff3); b0 = _mm256_srai_epi32(b0, 2); b1 = _mm256_srai_epi32(b1, 2); b2 = _mm256_srai_epi32(b2, 2); b3 = _mm256_srai_epi32(b3, 2); coeff0 = _mm256_add_epi32(b0, b2); coeff1 = _mm256_add_epi32(b1, b3); coeff2 = _mm256_sub_epi32(b0, b2); coeff3 = _mm256_sub_epi32(b1, b3); _mm256_storeu_si256((__m256i *)coeff, coeff0); _mm256_storeu_si256((__m256i *)(coeff + 256), coeff1); _mm256_storeu_si256((__m256i *)(coeff + 512), coeff2); _mm256_storeu_si256((__m256i *)(coeff + 768), coeff3); coeff += 8; t_coeff += 8; } } #endif // CONFIG_VP9_HIGHBITDEPTH static void hadamard_col8x2_avx2(__m256i *in, int iter) { __m256i a0 = in[0]; __m256i a1 = in[1]; __m256i a2 = in[2]; __m256i a3 = in[3]; __m256i a4 = in[4]; __m256i a5 = in[5]; __m256i a6 = in[6]; __m256i a7 = in[7]; __m256i b0 = _mm256_add_epi16(a0, a1); __m256i b1 = _mm256_sub_epi16(a0, a1); __m256i b2 = _mm256_add_epi16(a2, a3); __m256i b3 = _mm256_sub_epi16(a2, a3); __m256i b4 = _mm256_add_epi16(a4, a5); __m256i b5 = _mm256_sub_epi16(a4, a5); __m256i b6 = _mm256_add_epi16(a6, a7); __m256i b7 = _mm256_sub_epi16(a6, a7); a0 = _mm256_add_epi16(b0, b2); a1 = _mm256_add_epi16(b1, b3); a2 = _mm256_sub_epi16(b0, b2); a3 = _mm256_sub_epi16(b1, b3); a4 = _mm256_add_epi16(b4, b6); a5 = _mm256_add_epi16(b5, b7); a6 = _mm256_sub_epi16(b4, b6); a7 = _mm256_sub_epi16(b5, b7); if (iter == 0) { b0 = _mm256_add_epi16(a0, a4); b7 = _mm256_add_epi16(a1, a5); b3 = _mm256_add_epi16(a2, a6); b4 = _mm256_add_epi16(a3, a7); b2 = _mm256_sub_epi16(a0, a4); b6 = _mm256_sub_epi16(a1, a5); b1 = _mm256_sub_epi16(a2, a6); b5 = _mm256_sub_epi16(a3, a7); a0 = _mm256_unpacklo_epi16(b0, b1); a1 = _mm256_unpacklo_epi16(b2, b3); a2 = _mm256_unpackhi_epi16(b0, b1); a3 = _mm256_unpackhi_epi16(b2, b3); a4 = _mm256_unpacklo_epi16(b4, b5); a5 = _mm256_unpacklo_epi16(b6, b7); a6 = _mm256_unpackhi_epi16(b4, b5); a7 = _mm256_unpackhi_epi16(b6, b7); b0 = _mm256_unpacklo_epi32(a0, a1); b1 = _mm256_unpacklo_epi32(a4, a5); b2 = _mm256_unpackhi_epi32(a0, a1); b3 = _mm256_unpackhi_epi32(a4, a5); b4 = _mm256_unpacklo_epi32(a2, a3); b5 = _mm256_unpacklo_epi32(a6, a7); b6 = _mm256_unpackhi_epi32(a2, a3); b7 = _mm256_unpackhi_epi32(a6, a7); in[0] = _mm256_unpacklo_epi64(b0, b1); in[1] = _mm256_unpackhi_epi64(b0, b1); in[2] = _mm256_unpacklo_epi64(b2, b3); in[3] = _mm256_unpackhi_epi64(b2, b3); in[4] = _mm256_unpacklo_epi64(b4, b5); in[5] = _mm256_unpackhi_epi64(b4, b5); in[6] = _mm256_unpacklo_epi64(b6, b7); in[7] = _mm256_unpackhi_epi64(b6, b7); } else { in[0] = _mm256_add_epi16(a0, a4); in[7] = _mm256_add_epi16(a1, a5); in[3] = _mm256_add_epi16(a2, a6); in[4] = _mm256_add_epi16(a3, a7); in[2] = _mm256_sub_epi16(a0, a4); in[6] = _mm256_sub_epi16(a1, a5); in[1] = _mm256_sub_epi16(a2, a6); in[5] = _mm256_sub_epi16(a3, a7); } } static void hadamard_8x8x2_avx2(const int16_t *src_diff, ptrdiff_t src_stride, int16_t *coeff) { __m256i src[8]; src[0] = _mm256_loadu_si256((const __m256i *)src_diff); src[1] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[2] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[3] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[4] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[5] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[6] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); src[7] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride)); hadamard_col8x2_avx2(src, 0); hadamard_col8x2_avx2(src, 1); _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[0], src[1], 0x20)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[2], src[3], 0x20)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[4], src[5], 0x20)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[6], src[7], 0x20)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[0], src[1], 0x31)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[2], src[3], 0x31)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[4], src[5], 0x31)); coeff += 16; _mm256_storeu_si256((__m256i *)coeff, _mm256_permute2x128_si256(src[6], src[7], 0x31)); } static INLINE void hadamard_16x16_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff, int is_final) { #if CONFIG_VP9_HIGHBITDEPTH DECLARE_ALIGNED(32, int16_t, temp_coeff[16 * 16]); int16_t *t_coeff = temp_coeff; #else int16_t *t_coeff = coeff; #endif int16_t *coeff16 = (int16_t *)coeff; int idx; for (idx = 0; idx < 2; ++idx) { const int16_t *src_ptr = src_diff + idx * 8 * src_stride; hadamard_8x8x2_avx2(src_ptr, src_stride, t_coeff + (idx * 64 * 2)); } for (idx = 0; idx < 64; idx += 16) { const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 64)); const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 128)); const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 192)); __m256i b0 = _mm256_add_epi16(coeff0, coeff1); __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); __m256i b2 = _mm256_add_epi16(coeff2, coeff3); __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); b0 = _mm256_srai_epi16(b0, 1); b1 = _mm256_srai_epi16(b1, 1); b2 = _mm256_srai_epi16(b2, 1); b3 = _mm256_srai_epi16(b3, 1); if (is_final) { store_tran_low(_mm256_add_epi16(b0, b2), coeff); store_tran_low(_mm256_add_epi16(b1, b3), coeff + 64); store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 128); store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 192); coeff += 16; } else { _mm256_storeu_si256((__m256i *)coeff16, _mm256_add_epi16(b0, b2)); _mm256_storeu_si256((__m256i *)(coeff16 + 64), _mm256_add_epi16(b1, b3)); _mm256_storeu_si256((__m256i *)(coeff16 + 128), _mm256_sub_epi16(b0, b2)); _mm256_storeu_si256((__m256i *)(coeff16 + 192), _mm256_sub_epi16(b1, b3)); coeff16 += 16; } t_coeff += 16; } } void vpx_hadamard_16x16_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff) { hadamard_16x16_avx2(src_diff, src_stride, coeff, 1); } void vpx_hadamard_32x32_avx2(const int16_t *src_diff, ptrdiff_t src_stride, tran_low_t *coeff) { #if CONFIG_VP9_HIGHBITDEPTH // For high bitdepths, it is unnecessary to store_tran_low // (mult/unpack/store), then load_tran_low (load/pack) the same memory in the // next stage. Output to an intermediate buffer first, then store_tran_low() // in the final stage. DECLARE_ALIGNED(32, int16_t, temp_coeff[32 * 32]); int16_t *t_coeff = temp_coeff; #else int16_t *t_coeff = coeff; #endif int idx; for (idx = 0; idx < 4; ++idx) { // src_diff: 9 bit, dynamic range [-255, 255] const int16_t *src_ptr = src_diff + (idx >> 1) * 16 * src_stride + (idx & 0x01) * 16; hadamard_16x16_avx2(src_ptr, src_stride, (tran_low_t *)(t_coeff + idx * 256), 0); } for (idx = 0; idx < 256; idx += 16) { const __m256i coeff0 = _mm256_loadu_si256((const __m256i *)t_coeff); const __m256i coeff1 = _mm256_loadu_si256((const __m256i *)(t_coeff + 256)); const __m256i coeff2 = _mm256_loadu_si256((const __m256i *)(t_coeff + 512)); const __m256i coeff3 = _mm256_loadu_si256((const __m256i *)(t_coeff + 768)); __m256i b0 = _mm256_add_epi16(coeff0, coeff1); __m256i b1 = _mm256_sub_epi16(coeff0, coeff1); __m256i b2 = _mm256_add_epi16(coeff2, coeff3); __m256i b3 = _mm256_sub_epi16(coeff2, coeff3); b0 = _mm256_srai_epi16(b0, 2); b1 = _mm256_srai_epi16(b1, 2); b2 = _mm256_srai_epi16(b2, 2); b3 = _mm256_srai_epi16(b3, 2); store_tran_low(_mm256_add_epi16(b0, b2), coeff); store_tran_low(_mm256_add_epi16(b1, b3), coeff + 256); store_tran_low(_mm256_sub_epi16(b0, b2), coeff + 512); store_tran_low(_mm256_sub_epi16(b1, b3), coeff + 768); coeff += 16; t_coeff += 16; } } int vpx_satd_avx2(const tran_low_t *coeff, int length) { const __m256i one = _mm256_set1_epi16(1); __m256i accum = _mm256_setzero_si256(); int i; for (i = 0; i < length; i += 16) { const __m256i src_line = load_tran_low(coeff); const __m256i abs = _mm256_abs_epi16(src_line); const __m256i sum = _mm256_madd_epi16(abs, one); accum = _mm256_add_epi32(accum, sum); coeff += 16; } { // 32 bit horizontal add const __m256i a = _mm256_srli_si256(accum, 8); const __m256i b = _mm256_add_epi32(accum, a); const __m256i c = _mm256_srli_epi64(b, 32); const __m256i d = _mm256_add_epi32(b, c); const __m128i accum_128 = _mm_add_epi32(_mm256_castsi256_si128(d), _mm256_extractf128_si256(d, 1)); return _mm_cvtsi128_si32(accum_128); } } #if CONFIG_VP9_HIGHBITDEPTH int vpx_highbd_satd_avx2(const tran_low_t *coeff, int length) { __m256i accum = _mm256_setzero_si256(); int i; for (i = 0; i < length; i += 8, coeff += 8) { const __m256i src_line = _mm256_loadu_si256((const __m256i *)coeff); const __m256i abs = _mm256_abs_epi32(src_line); accum = _mm256_add_epi32(accum, abs); } { // 32 bit horizontal add const __m256i a = _mm256_srli_si256(accum, 8); const __m256i b = _mm256_add_epi32(accum, a); const __m256i c = _mm256_srli_epi64(b, 32); const __m256i d = _mm256_add_epi32(b, c); const __m128i accum_128 = _mm_add_epi32(_mm256_castsi256_si128(d), _mm256_extractf128_si256(d, 1)); return _mm_cvtsi128_si32(accum_128); } } #endif // CONFIG_VP9_HIGHBITDEPTH