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mirror of https://github.com/FFmpeg/FFmpeg.git synced 2024-11-21 10:55:51 +02:00
FFmpeg/libavutil/riscv/float_dsp_init.c
Rémi Denis-Courmont 9238f6cb41 lavu/float_dsp: R-V V scalarproduct_double
C908:
scalarproduct_double_c:       39.2
scalarproduct_double_rvv_f64: 10.5

X60:
scalarproduct_double_c:       35.0
scalarproduct_double_rvv_f64:  5.2
2024-05-31 22:22:43 +03:00

78 lines
3.3 KiB
C

/*
* Copyright © 2022 Rémi Denis-Courmont.
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/float_dsp.h"
void ff_vector_fmul_rvv(float *dst, const float *src0, const float *src1,
int len);
void ff_vector_fmac_scalar_rvv(float *dst, const float *src, float mul,
int len);
void ff_vector_fmul_scalar_rvv(float *dst, const float *src, float mul,
int len);
void ff_vector_fmul_window_rvv(float *dst, const float *src0,
const float *src1, const float *win, int len);
void ff_vector_fmul_add_rvv(float *dst, const float *src0, const float *src1,
const float *src2, int len);
void ff_vector_fmul_reverse_rvv(float *dst, const float *src0,
const float *src1, int len);
void ff_butterflies_float_rvv(float *v1, float *v2, int len);
float ff_scalarproduct_float_rvv(const float *v1, const float *v2, int len);
void ff_vector_dmul_rvv(double *dst, const double *src0, const double *src1,
int len);
void ff_vector_dmac_scalar_rvv(double *dst, const double *src, double mul,
int len);
void ff_vector_dmul_scalar_rvv(double *dst, const double *src, double mul,
int len);
double ff_scalarproduct_double_rvv(const double *v1, const double *v2,
size_t len);
av_cold void ff_float_dsp_init_riscv(AVFloatDSPContext *fdsp)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVB_ADDR) {
if (flags & AV_CPU_FLAG_RVV_F32) {
fdsp->vector_fmul = ff_vector_fmul_rvv;
fdsp->vector_fmac_scalar = ff_vector_fmac_scalar_rvv;
fdsp->vector_fmul_scalar = ff_vector_fmul_scalar_rvv;
fdsp->vector_fmul_window = ff_vector_fmul_window_rvv;
fdsp->vector_fmul_add = ff_vector_fmul_add_rvv;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_rvv;
fdsp->butterflies_float = ff_butterflies_float_rvv;
fdsp->scalarproduct_float = ff_scalarproduct_float_rvv;
}
if (flags & AV_CPU_FLAG_RVV_F64) {
fdsp->vector_dmul = ff_vector_dmul_rvv;
fdsp->vector_dmac_scalar = ff_vector_dmac_scalar_rvv;
fdsp->vector_dmul_scalar = ff_vector_dmul_scalar_rvv;
fdsp->scalarproduct_double = ff_scalarproduct_double_rvv;
}
}
#endif
}