Merge "vpx: [x86] add vpx_hadamard_16x16_avx2()"
This commit is contained in:
Scott LaVarnway
Gerrit Code Review
commit
b58259ab55
@ -268,6 +268,11 @@ INSTANTIATE_TEST_CASE_P(SSE2, Hadamard16x16Test,
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::testing::Values(&vpx_hadamard_16x16_sse2));
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#endif // HAVE_SSE2
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#if HAVE_AVX2
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INSTANTIATE_TEST_CASE_P(AVX2, Hadamard16x16Test,
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::testing::Values(&vpx_hadamard_16x16_avx2));
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#endif // HAVE_AVX2
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#if HAVE_VSX
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INSTANTIATE_TEST_CASE_P(VSX, Hadamard16x16Test,
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::testing::Values(&vpx_hadamard_16x16_vsx));
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@ -290,6 +290,7 @@ endif
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# avg
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DSP_SRCS-yes += avg.c
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DSP_SRCS-$(HAVE_SSE2) += x86/avg_intrin_sse2.c
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DSP_SRCS-$(HAVE_AVX2) += x86/avg_intrin_avx2.c
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DSP_SRCS-$(HAVE_NEON) += arm/avg_neon.c
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DSP_SRCS-$(HAVE_NEON) += arm/hadamard_neon.c
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DSP_SRCS-$(HAVE_MSA) += mips/avg_msa.c
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@ -769,7 +769,7 @@ if (vpx_config("CONFIG_VP9_ENCODER") eq "yes") {
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specialize qw/vpx_hadamard_8x8 sse2 neon vsx/, "$ssse3_x86_64";
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add_proto qw/void vpx_hadamard_16x16/, "const int16_t *src_diff, int src_stride, tran_low_t *coeff";
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specialize qw/vpx_hadamard_16x16 sse2 neon vsx/;
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specialize qw/vpx_hadamard_16x16 avx2 sse2 neon vsx/;
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add_proto qw/int vpx_satd/, "const tran_low_t *coeff, int length";
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specialize qw/vpx_satd sse2 neon/;
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@ -778,7 +778,7 @@ if (vpx_config("CONFIG_VP9_ENCODER") eq "yes") {
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specialize qw/vpx_hadamard_8x8 sse2 neon msa vsx/, "$ssse3_x86_64";
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add_proto qw/void vpx_hadamard_16x16/, "const int16_t *src_diff, int src_stride, int16_t *coeff";
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specialize qw/vpx_hadamard_16x16 sse2 neon msa vsx/;
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specialize qw/vpx_hadamard_16x16 avx2 sse2 neon msa vsx/;
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add_proto qw/int vpx_satd/, "const int16_t *coeff, int length";
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specialize qw/vpx_satd sse2 neon msa/;
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182
vpx_dsp/x86/avg_intrin_avx2.c
Normal file
182
vpx_dsp/x86/avg_intrin_avx2.c
Normal file
@ -0,0 +1,182 @@
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/*
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* Copyright (c) 2017 The WebM project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <immintrin.h>
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#include "./vpx_dsp_rtcd.h"
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#include "vpx/vpx_integer.h"
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#include "vpx_dsp/x86/bitdepth_conversion_avx2.h"
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#include "vpx_ports/mem.h"
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static void hadamard_col8x2_avx2(__m256i *in, int iter) {
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__m256i a0 = in[0];
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__m256i a1 = in[1];
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__m256i a2 = in[2];
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__m256i a3 = in[3];
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__m256i a4 = in[4];
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__m256i a5 = in[5];
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__m256i a6 = in[6];
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__m256i a7 = in[7];
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__m256i b0 = _mm256_add_epi16(a0, a1);
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__m256i b1 = _mm256_sub_epi16(a0, a1);
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__m256i b2 = _mm256_add_epi16(a2, a3);
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__m256i b3 = _mm256_sub_epi16(a2, a3);
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__m256i b4 = _mm256_add_epi16(a4, a5);
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__m256i b5 = _mm256_sub_epi16(a4, a5);
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__m256i b6 = _mm256_add_epi16(a6, a7);
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__m256i b7 = _mm256_sub_epi16(a6, a7);
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a0 = _mm256_add_epi16(b0, b2);
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a1 = _mm256_add_epi16(b1, b3);
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a2 = _mm256_sub_epi16(b0, b2);
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a3 = _mm256_sub_epi16(b1, b3);
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a4 = _mm256_add_epi16(b4, b6);
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a5 = _mm256_add_epi16(b5, b7);
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a6 = _mm256_sub_epi16(b4, b6);
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a7 = _mm256_sub_epi16(b5, b7);
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if (iter == 0) {
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b0 = _mm256_add_epi16(a0, a4);
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b7 = _mm256_add_epi16(a1, a5);
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b3 = _mm256_add_epi16(a2, a6);
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b4 = _mm256_add_epi16(a3, a7);
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b2 = _mm256_sub_epi16(a0, a4);
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b6 = _mm256_sub_epi16(a1, a5);
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b1 = _mm256_sub_epi16(a2, a6);
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b5 = _mm256_sub_epi16(a3, a7);
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a0 = _mm256_unpacklo_epi16(b0, b1);
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a1 = _mm256_unpacklo_epi16(b2, b3);
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a2 = _mm256_unpackhi_epi16(b0, b1);
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a3 = _mm256_unpackhi_epi16(b2, b3);
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a4 = _mm256_unpacklo_epi16(b4, b5);
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a5 = _mm256_unpacklo_epi16(b6, b7);
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a6 = _mm256_unpackhi_epi16(b4, b5);
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a7 = _mm256_unpackhi_epi16(b6, b7);
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b0 = _mm256_unpacklo_epi32(a0, a1);
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b1 = _mm256_unpacklo_epi32(a4, a5);
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b2 = _mm256_unpackhi_epi32(a0, a1);
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b3 = _mm256_unpackhi_epi32(a4, a5);
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b4 = _mm256_unpacklo_epi32(a2, a3);
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b5 = _mm256_unpacklo_epi32(a6, a7);
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b6 = _mm256_unpackhi_epi32(a2, a3);
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b7 = _mm256_unpackhi_epi32(a6, a7);
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in[0] = _mm256_unpacklo_epi64(b0, b1);
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in[1] = _mm256_unpackhi_epi64(b0, b1);
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in[2] = _mm256_unpacklo_epi64(b2, b3);
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in[3] = _mm256_unpackhi_epi64(b2, b3);
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in[4] = _mm256_unpacklo_epi64(b4, b5);
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in[5] = _mm256_unpackhi_epi64(b4, b5);
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in[6] = _mm256_unpacklo_epi64(b6, b7);
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in[7] = _mm256_unpackhi_epi64(b6, b7);
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} else {
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in[0] = _mm256_add_epi16(a0, a4);
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in[7] = _mm256_add_epi16(a1, a5);
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in[3] = _mm256_add_epi16(a2, a6);
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in[4] = _mm256_add_epi16(a3, a7);
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in[2] = _mm256_sub_epi16(a0, a4);
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in[6] = _mm256_sub_epi16(a1, a5);
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in[1] = _mm256_sub_epi16(a2, a6);
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in[5] = _mm256_sub_epi16(a3, a7);
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}
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}
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static void hadamard_8x8x2_avx2(int16_t const *src_diff, int src_stride,
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tran_low_t *coeff) {
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__m256i src[8];
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src[0] = _mm256_loadu_si256((const __m256i *)src_diff);
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src[1] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[2] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[3] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[4] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[5] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[6] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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src[7] = _mm256_loadu_si256((const __m256i *)(src_diff += src_stride));
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hadamard_col8x2_avx2(src, 0);
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hadamard_col8x2_avx2(src, 1);
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store_tran_low(_mm256_castsi256_si128(src[0]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[1]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[2]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[3]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[4]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[5]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[6]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[7]), coeff);
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coeff += 8;
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src[0] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[0], 1));
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src[1] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[1], 1));
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src[2] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[2], 1));
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src[3] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[3], 1));
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src[4] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[4], 1));
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src[5] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[5], 1));
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src[6] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[6], 1));
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src[7] = _mm256_castsi128_si256(_mm256_extractf128_si256(src[7], 1));
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store_tran_low(_mm256_castsi256_si128(src[0]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[1]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[2]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[3]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[4]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[5]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[6]), coeff);
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coeff += 8;
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store_tran_low(_mm256_castsi256_si128(src[7]), coeff);
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}
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void vpx_hadamard_16x16_avx2(int16_t const *src_diff, int src_stride,
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tran_low_t *coeff) {
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int idx;
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for (idx = 0; idx < 2; ++idx) {
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int16_t const *src_ptr = src_diff + idx * 8 * src_stride;
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hadamard_8x8x2_avx2(src_ptr, src_stride, coeff + (idx * 64 * 2));
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}
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for (idx = 0; idx < 64; idx += 16) {
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const __m256i coeff0 = load_tran_low(coeff);
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const __m256i coeff1 = load_tran_low(coeff + 64);
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const __m256i coeff2 = load_tran_low(coeff + 128);
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const __m256i coeff3 = load_tran_low(coeff + 192);
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__m256i b0 = _mm256_add_epi16(coeff0, coeff1);
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__m256i b1 = _mm256_sub_epi16(coeff0, coeff1);
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__m256i b2 = _mm256_add_epi16(coeff2, coeff3);
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__m256i b3 = _mm256_sub_epi16(coeff2, coeff3);
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b0 = _mm256_srai_epi16(b0, 1);
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b1 = _mm256_srai_epi16(b1, 1);
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b2 = _mm256_srai_epi16(b2, 1);
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b3 = _mm256_srai_epi16(b3, 1);
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store_tran_low_256(_mm256_add_epi16(b0, b2), coeff);
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store_tran_low_256(_mm256_add_epi16(b1, b3), coeff + 64);
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store_tran_low_256(_mm256_sub_epi16(b0, b2), coeff + 128);
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store_tran_low_256(_mm256_sub_epi16(b1, b3), coeff + 192);
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coeff += 16;
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}
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}
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@ -27,4 +27,33 @@ static INLINE __m256i load_tran_low(const tran_low_t *a) {
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#endif
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}
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// Store 8 16 bit values. If the destination is 32 bits then sign extend the
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// values by multiplying by 1.
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static INLINE void store_tran_low(__m128i a, tran_low_t *b) {
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#if CONFIG_VP9_HIGHBITDEPTH
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const __m128i one = _mm_set1_epi16(1);
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const __m128i a_hi = _mm_mulhi_epi16(a, one);
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const __m128i a_lo = _mm_mullo_epi16(a, one);
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const __m128i a_1 = _mm_unpacklo_epi16(a_lo, a_hi);
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const __m128i a_2 = _mm_unpackhi_epi16(a_lo, a_hi);
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_mm_store_si128((__m128i *)(b), a_1);
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_mm_store_si128((__m128i *)(b + 4), a_2);
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#else
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_mm_store_si128((__m128i *)(b), a);
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#endif
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}
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static INLINE void store_tran_low_256(__m256i a, tran_low_t *b) {
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#if CONFIG_VP9_HIGHBITDEPTH
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const __m256i one = _mm256_set1_epi16(1);
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const __m256i a_hi = _mm256_mulhi_epi16(a, one);
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const __m256i a_lo = _mm256_mullo_epi16(a, one);
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const __m256i a_1 = _mm256_unpacklo_epi16(a_lo, a_hi);
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const __m256i a_2 = _mm256_unpackhi_epi16(a_lo, a_hi);
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_mm256_storeu_si256((__m256i *)(b), a_1);
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_mm256_storeu_si256((__m256i *)(b + 8), a_2);
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#else
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_mm256_storeu_si256((__m256i *)(b), a);
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#endif
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}
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#endif // VPX_DSP_X86_BITDEPTH_CONVERSION_AVX2_H_
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