mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2026-11-06 13:28:17 +00:00
Rodrigo Camacho
3719f257cf
Benchmarking results: checkasm: - CPU: SpacemiT, vendor arch 0x58000001, imp 0x1000000049772200 - CPU: VLEN = 256 bits - Timing source: gettime - Bench duration: 1000 µs per function (1000000 nsecs) - Random seed: 4056509538 RV_zve64x: - scene_sad.scene_sad8 [OK] - scene_sad.scene_sad10 [OK] - scene_sad.scene_sad12 [OK] - scene_sad.scene_sad14 [OK] - scene_sad.scene_sad15 [OK] - scene_sad.scene_sad16 [OK] checkasm: all 6 tests passed Benchmark results: name nsecs (vs ref) scene_sad8_c: 331870.0 scene_sad8_rvv_i64: 27121.5 (12.23x) scene_sad10_c: 335723.6 scene_sad10_rvv_i64: 52943.8 ( 6.33x) scene_sad12_c: 335534.9 scene_sad12_rvv_i64: 52930.4 ( 6.33x) scene_sad14_c: 335625.7 scene_sad14_rvv_i64: 52728.6 ( 6.36x) scene_sad15_c: 335521.3 scene_sad15_rvv_i64: 52937.0 ( 6.33x) scene_sad16_c: 335549.9 scene_sad16_rvv_i64: 52768.3 ( 6.35x) Signed-off-by: Rodrigo Camacho <rodrigompcamacho@gmail.com>
76 lines
1.9 KiB
C
76 lines
1.9 KiB
C
/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file
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* Scene SAD functions
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*/
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#include "scene_sad.h"
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void ff_scene_sad16_c(SCENE_SAD_PARAMS)
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{
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uint64_t sad = 0;
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const uint16_t *src1w = (const uint16_t *)src1;
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const uint16_t *src2w = (const uint16_t *)src2;
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int x, y;
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stride1 /= 2;
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stride2 /= 2;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++)
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sad += FFABS(src1w[x] - src2w[x]);
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src1w += stride1;
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src2w += stride2;
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}
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*sum = sad;
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}
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void ff_scene_sad_c(SCENE_SAD_PARAMS)
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{
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uint64_t sad = 0;
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int x, y;
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for (y = 0; y < height; y++) {
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for (x = 0; x < width; x++)
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sad += FFABS(src1[x] - src2[x]);
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src1 += stride1;
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src2 += stride2;
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}
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*sum = sad;
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}
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ff_scene_sad_fn ff_scene_sad_get_fn(int depth)
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{
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ff_scene_sad_fn sad = NULL;
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#if ARCH_X86 && HAVE_X86ASM
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sad = ff_scene_sad_get_fn_x86(depth);
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#endif
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#if ARCH_RISCV
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sad = ff_scene_sad_get_fn_riscv(depth);
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#endif
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if (!sad) {
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if (depth <= 8)
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sad = ff_scene_sad_c;
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else if (depth <= 16)
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sad = ff_scene_sad16_c;
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}
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return sad;
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}
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