/*
* 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, 0 x20);
in[1 ] = _mm256_permute2x128_si256(b0, b1, 0 x31);
in[2 ] = _mm256_permute2x128_si256(b2, b3, 0 x20);
in[3 ] = _mm256_permute2x128_si256(b2, b3, 0 x31);
in[4 ] = _mm256_permute2x128_si256(b4, b5, 0 x20);
in[5 ] = _mm256_permute2x128_si256(b4, b5, 0 x31);
in[6 ] = _mm256_permute2x128_si256(b6, b7, 0 x20);
in[7 ] = _mm256_permute2x128_si256(b6, b7, 0 x31);
} 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 & 0 x01) * 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 & 0 x01) * 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 INLINE void sign_extend_16bit_to_32bit_avx2(__m256i in, __m256i zero,
__m256i *out_lo,
__m256i *out_hi) {
const __m256i sign_bits = _mm256_cmpgt_epi16(zero, in);
*out_lo = _mm256_unpacklo_epi16(in, sign_bits);
*out_hi = _mm256_unpackhi_epi16(in, sign_bits);
}
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 ], 0 x20));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[2 ], src[3 ], 0 x20));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[4 ], src[5 ], 0 x20));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[6 ], src[7 ], 0 x20));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[0 ], src[1 ], 0 x31));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[2 ], src[3 ], 0 x31));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[4 ], src[5 ], 0 x31));
coeff += 16 ;
_mm256_storeu_si256((__m256i *)coeff,
_mm256_permute2x128_si256(src[6 ], src[7 ], 0 x31));
}
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;
__m256i coeff0_lo, coeff1_lo, coeff2_lo, coeff3_lo, b0_lo, b1_lo, b2_lo,
b3_lo;
__m256i coeff0_hi, coeff1_hi, coeff2_hi, coeff3_hi, b0_hi, b1_hi, b2_hi,
b3_hi;
__m256i b0, b1, b2, b3;
const __m256i zero = _mm256_setzero_si256();
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 & 0 x01) * 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 ));
// Sign extend 16 bit to 32 bit.
sign_extend_16bit_to_32bit_avx2(coeff0, zero, &coeff0_lo, &coeff0_hi);
sign_extend_16bit_to_32bit_avx2(coeff1, zero, &coeff1_lo, &coeff1_hi);
sign_extend_16bit_to_32bit_avx2(coeff2, zero, &coeff2_lo, &coeff2_hi);
sign_extend_16bit_to_32bit_avx2(coeff3, zero, &coeff3_lo, &coeff3_hi);
b0_lo = _mm256_add_epi32(coeff0_lo, coeff1_lo);
b0_hi = _mm256_add_epi32(coeff0_hi, coeff1_hi);
b1_lo = _mm256_sub_epi32(coeff0_lo, coeff1_lo);
b1_hi = _mm256_sub_epi32(coeff0_hi, coeff1_hi);
b2_lo = _mm256_add_epi32(coeff2_lo, coeff3_lo);
b2_hi = _mm256_add_epi32(coeff2_hi, coeff3_hi);
b3_lo = _mm256_sub_epi32(coeff2_lo, coeff3_lo);
b3_hi = _mm256_sub_epi32(coeff2_hi, coeff3_hi);
b0_lo = _mm256_srai_epi32(b0_lo, 2 );
b1_lo = _mm256_srai_epi32(b1_lo, 2 );
b2_lo = _mm256_srai_epi32(b2_lo, 2 );
b3_lo = _mm256_srai_epi32(b3_lo, 2 );
b0_hi = _mm256_srai_epi32(b0_hi, 2 );
b1_hi = _mm256_srai_epi32(b1_hi, 2 );
b2_hi = _mm256_srai_epi32(b2_hi, 2 );
b3_hi = _mm256_srai_epi32(b3_hi, 2 );
b0 = _mm256_packs_epi32(b0_lo, b0_hi);
b1 = _mm256_packs_epi32(b1_lo, b1_hi);
b2 = _mm256_packs_epi32(b2_lo, b2_hi);
b3 = _mm256_packs_epi32(b3_lo, b3_hi);
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
Messung V0.5 in Prozent C=98 H=84 G=91
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-11)
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