mirror of https://git.ffmpeg.org/ffmpeg.git
971 lines
26 KiB
C
971 lines
26 KiB
C
/*
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* Assembly testing and benchmarking tool
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* Copyright (c) 2015 Henrik Gramner
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* Copyright (c) 2008 Loren Merritt
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*
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include "config_components.h"
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#ifndef _GNU_SOURCE
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# define _GNU_SOURCE // for syscall (performance monitoring API), strsignal()
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#endif
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#include <signal.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "checkasm.h"
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#include "libavutil/common.h"
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#include "libavutil/cpu.h"
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#include "libavutil/intfloat.h"
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#include "libavutil/random_seed.h"
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#if HAVE_IO_H
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#include <io.h>
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#endif
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#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
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#include <windows.h>
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#define COLOR_RED FOREGROUND_RED
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#define COLOR_GREEN FOREGROUND_GREEN
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#define COLOR_YELLOW (FOREGROUND_RED|FOREGROUND_GREEN)
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#else
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#define COLOR_RED 1
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#define COLOR_GREEN 2
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#define COLOR_YELLOW 3
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#endif
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#if HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#if !HAVE_ISATTY
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#define isatty(fd) 1
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#endif
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#if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
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#include "libavutil/arm/cpu.h"
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void (*checkasm_checked_call)(void *func, int dummy, ...) = checkasm_checked_call_novfp;
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#endif
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/* List of tests to invoke */
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static const struct {
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const char *name;
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void (*func)(void);
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} tests[] = {
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#if CONFIG_AVCODEC
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#if CONFIG_AAC_DECODER
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{ "aacpsdsp", checkasm_check_aacpsdsp },
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{ "sbrdsp", checkasm_check_sbrdsp },
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#endif
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#if CONFIG_AC3DSP
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{ "ac3dsp", checkasm_check_ac3dsp },
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#endif
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#if CONFIG_ALAC_DECODER
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{ "alacdsp", checkasm_check_alacdsp },
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#endif
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#if CONFIG_AUDIODSP
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{ "audiodsp", checkasm_check_audiodsp },
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#endif
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#if CONFIG_BLOCKDSP
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{ "blockdsp", checkasm_check_blockdsp },
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#endif
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#if CONFIG_BSWAPDSP
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{ "bswapdsp", checkasm_check_bswapdsp },
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#endif
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#if CONFIG_DCA_DECODER
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{ "synth_filter", checkasm_check_synth_filter },
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#endif
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#if CONFIG_EXR_DECODER
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{ "exrdsp", checkasm_check_exrdsp },
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#endif
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#if CONFIG_FLAC_DECODER
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{ "flacdsp", checkasm_check_flacdsp },
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#endif
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#if CONFIG_FMTCONVERT
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{ "fmtconvert", checkasm_check_fmtconvert },
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#endif
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#if CONFIG_G722DSP
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{ "g722dsp", checkasm_check_g722dsp },
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#endif
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#if CONFIG_H264CHROMA
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{ "h264chroma", checkasm_check_h264chroma },
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#endif
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#if CONFIG_H264DSP
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{ "h264dsp", checkasm_check_h264dsp },
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#endif
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#if CONFIG_H264PRED
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{ "h264pred", checkasm_check_h264pred },
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#endif
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#if CONFIG_H264QPEL
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{ "h264qpel", checkasm_check_h264qpel },
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#endif
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#if CONFIG_HEVC_DECODER
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{ "hevc_add_res", checkasm_check_hevc_add_res },
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{ "hevc_deblock", checkasm_check_hevc_deblock },
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{ "hevc_idct", checkasm_check_hevc_idct },
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{ "hevc_pel", checkasm_check_hevc_pel },
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{ "hevc_sao", checkasm_check_hevc_sao },
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#endif
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#if CONFIG_HUFFYUV_DECODER
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{ "huffyuvdsp", checkasm_check_huffyuvdsp },
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#endif
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#if CONFIG_IDCTDSP
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{ "idctdsp", checkasm_check_idctdsp },
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#endif
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#if CONFIG_JPEG2000_DECODER
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{ "jpeg2000dsp", checkasm_check_jpeg2000dsp },
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#endif
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#if CONFIG_LLAUDDSP
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{ "llauddsp", checkasm_check_llauddsp },
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#endif
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#if CONFIG_HUFFYUVDSP
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{ "llviddsp", checkasm_check_llviddsp },
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#endif
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#if CONFIG_LLVIDENCDSP
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{ "llviddspenc", checkasm_check_llviddspenc },
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#endif
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#if CONFIG_LPC
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{ "lpc", checkasm_check_lpc },
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#endif
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#if CONFIG_ME_CMP
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{ "motion", checkasm_check_motion },
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#endif
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#if CONFIG_OPUS_DECODER
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{ "opusdsp", checkasm_check_opusdsp },
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#endif
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#if CONFIG_PIXBLOCKDSP
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{ "pixblockdsp", checkasm_check_pixblockdsp },
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#endif
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#if CONFIG_UTVIDEO_DECODER
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{ "utvideodsp", checkasm_check_utvideodsp },
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#endif
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#if CONFIG_V210_DECODER
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{ "v210dec", checkasm_check_v210dec },
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#endif
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#if CONFIG_V210_ENCODER
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{ "v210enc", checkasm_check_v210enc },
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#endif
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#if CONFIG_VC1DSP
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{ "vc1dsp", checkasm_check_vc1dsp },
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#endif
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#if CONFIG_VP8DSP
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{ "vp8dsp", checkasm_check_vp8dsp },
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#endif
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#if CONFIG_VP9_DECODER
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{ "vp9dsp", checkasm_check_vp9dsp },
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#endif
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#if CONFIG_VIDEODSP
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{ "videodsp", checkasm_check_videodsp },
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#endif
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#if CONFIG_VORBIS_DECODER
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{ "vorbisdsp", checkasm_check_vorbisdsp },
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#endif
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#endif
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#if CONFIG_AVFILTER
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#if CONFIG_AFIR_FILTER
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{ "af_afir", checkasm_check_afir },
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#endif
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#if CONFIG_BLEND_FILTER
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{ "vf_blend", checkasm_check_blend },
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#endif
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#if CONFIG_BWDIF_FILTER
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{ "vf_bwdif", checkasm_check_vf_bwdif },
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#endif
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#if CONFIG_COLORSPACE_FILTER
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{ "vf_colorspace", checkasm_check_colorspace },
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#endif
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#if CONFIG_EQ_FILTER
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{ "vf_eq", checkasm_check_vf_eq },
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#endif
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#if CONFIG_GBLUR_FILTER
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{ "vf_gblur", checkasm_check_vf_gblur },
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#endif
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#if CONFIG_HFLIP_FILTER
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{ "vf_hflip", checkasm_check_vf_hflip },
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#endif
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#if CONFIG_NLMEANS_FILTER
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{ "vf_nlmeans", checkasm_check_nlmeans },
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#endif
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#if CONFIG_THRESHOLD_FILTER
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{ "vf_threshold", checkasm_check_vf_threshold },
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#endif
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#if CONFIG_SOBEL_FILTER
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{ "vf_sobel", checkasm_check_vf_sobel },
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#endif
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#endif
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#if CONFIG_SWSCALE
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{ "sw_gbrp", checkasm_check_sw_gbrp },
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{ "sw_rgb", checkasm_check_sw_rgb },
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{ "sw_scale", checkasm_check_sw_scale },
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#endif
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#if CONFIG_AVUTIL
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{ "fixed_dsp", checkasm_check_fixed_dsp },
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{ "float_dsp", checkasm_check_float_dsp },
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{ "av_tx", checkasm_check_av_tx },
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#endif
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{ NULL }
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};
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/* List of cpu flags to check */
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static const struct {
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const char *name;
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const char *suffix;
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int flag;
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} cpus[] = {
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#if ARCH_AARCH64
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{ "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
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{ "NEON", "neon", AV_CPU_FLAG_NEON },
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{ "DOTPROD", "dotprod", AV_CPU_FLAG_DOTPROD },
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{ "I8MM", "i8mm", AV_CPU_FLAG_I8MM },
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#elif ARCH_ARM
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{ "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
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{ "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
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{ "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
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{ "VFP", "vfp", AV_CPU_FLAG_VFP },
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{ "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
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{ "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
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{ "NEON", "neon", AV_CPU_FLAG_NEON },
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#elif ARCH_PPC
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{ "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
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{ "VSX", "vsx", AV_CPU_FLAG_VSX },
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{ "POWER8", "power8", AV_CPU_FLAG_POWER8 },
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#elif ARCH_RISCV
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{ "RVI", "rvi", AV_CPU_FLAG_RVI },
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{ "RVF", "rvf", AV_CPU_FLAG_RVF },
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{ "RVD", "rvd", AV_CPU_FLAG_RVD },
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{ "RVBaddr", "rvb_a", AV_CPU_FLAG_RVB_ADDR },
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{ "RVBbasic", "rvb_b", AV_CPU_FLAG_RVB_BASIC },
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{ "RVVi32", "rvv_i32", AV_CPU_FLAG_RVV_I32 },
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{ "RVVf32", "rvv_f32", AV_CPU_FLAG_RVV_F32 },
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{ "RVVi64", "rvv_i64", AV_CPU_FLAG_RVV_I64 },
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{ "RVVf64", "rvv_f64", AV_CPU_FLAG_RVV_F64 },
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#elif ARCH_MIPS
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{ "MMI", "mmi", AV_CPU_FLAG_MMI },
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{ "MSA", "msa", AV_CPU_FLAG_MSA },
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#elif ARCH_X86
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{ "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
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{ "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
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{ "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
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{ "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
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{ "SSE", "sse", AV_CPU_FLAG_SSE },
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{ "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
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{ "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
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{ "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
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{ "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
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{ "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
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{ "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
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{ "AVX", "avx", AV_CPU_FLAG_AVX },
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{ "XOP", "xop", AV_CPU_FLAG_XOP },
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{ "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
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{ "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
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{ "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
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{ "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
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{ "AVX-512ICL", "avx512icl", AV_CPU_FLAG_AVX512ICL },
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#elif ARCH_LOONGARCH
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{ "LSX", "lsx", AV_CPU_FLAG_LSX },
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{ "LASX", "lasx", AV_CPU_FLAG_LASX },
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#endif
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{ NULL }
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};
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typedef struct CheckasmFuncVersion {
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struct CheckasmFuncVersion *next;
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void *func;
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int ok;
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int cpu;
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CheckasmPerf perf;
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} CheckasmFuncVersion;
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/* Binary search tree node */
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typedef struct CheckasmFunc {
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struct CheckasmFunc *child[2];
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CheckasmFuncVersion versions;
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uint8_t color; /* 0 = red, 1 = black */
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char name[1];
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} CheckasmFunc;
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/* Internal state */
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static struct {
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CheckasmFunc *funcs;
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CheckasmFunc *current_func;
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CheckasmFuncVersion *current_func_ver;
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const char *current_test_name;
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const char *bench_pattern;
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int bench_pattern_len;
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int num_checked;
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int num_failed;
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/* perf */
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int nop_time;
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int sysfd;
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int cpu_flag;
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const char *cpu_flag_name;
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const char *test_name;
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int verbose;
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} state;
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/* PRNG state */
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AVLFG checkasm_lfg;
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/* float compare support code */
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static int is_negative(union av_intfloat32 u)
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{
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return u.i >> 31;
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}
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int float_near_ulp(float a, float b, unsigned max_ulp)
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{
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union av_intfloat32 x, y;
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x.f = a;
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y.f = b;
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if (is_negative(x) != is_negative(y)) {
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// handle -0.0 == +0.0
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return a == b;
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}
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if (llabs((int64_t)x.i - y.i) <= max_ulp)
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return 1;
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return 0;
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}
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int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
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unsigned len)
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{
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unsigned i;
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for (i = 0; i < len; i++) {
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if (!float_near_ulp(a[i], b[i], max_ulp))
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return 0;
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}
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return 1;
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}
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int float_near_abs_eps(float a, float b, float eps)
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{
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float abs_diff = fabsf(a - b);
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if (abs_diff < eps)
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return 1;
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fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
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return 0;
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}
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int float_near_abs_eps_array(const float *a, const float *b, float eps,
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unsigned len)
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{
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unsigned i;
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for (i = 0; i < len; i++) {
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if (!float_near_abs_eps(a[i], b[i], eps))
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return 0;
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}
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return 1;
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}
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int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
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{
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return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
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}
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int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
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unsigned max_ulp, unsigned len)
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{
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unsigned i;
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for (i = 0; i < len; i++) {
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if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
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return 0;
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}
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return 1;
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}
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int double_near_abs_eps(double a, double b, double eps)
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{
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double abs_diff = fabs(a - b);
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return abs_diff < eps;
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}
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int double_near_abs_eps_array(const double *a, const double *b, double eps,
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unsigned len)
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{
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unsigned i;
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for (i = 0; i < len; i++) {
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if (!double_near_abs_eps(a[i], b[i], eps))
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return 0;
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}
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return 1;
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}
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/* Print colored text to stderr if the terminal supports it */
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static void color_printf(int color, const char *fmt, ...)
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{
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static int use_color = -1;
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va_list arg;
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#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
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static HANDLE con;
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static WORD org_attributes;
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if (use_color < 0) {
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CONSOLE_SCREEN_BUFFER_INFO con_info;
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con = GetStdHandle(STD_ERROR_HANDLE);
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if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
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org_attributes = con_info.wAttributes;
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use_color = 1;
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} else
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use_color = 0;
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}
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if (use_color)
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SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
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#else
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if (use_color < 0) {
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const char *term = getenv("TERM");
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use_color = term && strcmp(term, "dumb") && isatty(2);
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}
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if (use_color)
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fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
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#endif
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va_start(arg, fmt);
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vfprintf(stderr, fmt, arg);
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va_end(arg);
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if (use_color) {
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#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
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SetConsoleTextAttribute(con, org_attributes);
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#else
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fprintf(stderr, "\x1b[0m");
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#endif
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}
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}
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/* Deallocate a tree */
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static void destroy_func_tree(CheckasmFunc *f)
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{
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if (f) {
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CheckasmFuncVersion *v = f->versions.next;
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while (v) {
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CheckasmFuncVersion *next = v->next;
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free(v);
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v = next;
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}
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destroy_func_tree(f->child[0]);
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destroy_func_tree(f->child[1]);
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free(f);
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|
}
|
|
}
|
|
|
|
/* Allocate a zero-initialized block, clean up and exit on failure */
|
|
static void *checkasm_malloc(size_t size)
|
|
{
|
|
void *ptr = calloc(1, size);
|
|
if (!ptr) {
|
|
fprintf(stderr, "checkasm: malloc failed\n");
|
|
destroy_func_tree(state.funcs);
|
|
exit(1);
|
|
}
|
|
return ptr;
|
|
}
|
|
|
|
/* Get the suffix of the specified cpu flag */
|
|
static const char *cpu_suffix(int cpu)
|
|
{
|
|
int i = FF_ARRAY_ELEMS(cpus);
|
|
|
|
while (--i >= 0)
|
|
if (cpu & cpus[i].flag)
|
|
return cpus[i].suffix;
|
|
|
|
return "c";
|
|
}
|
|
|
|
static int cmp_nop(const void *a, const void *b)
|
|
{
|
|
return *(const uint16_t*)a - *(const uint16_t*)b;
|
|
}
|
|
|
|
/* Measure the overhead of the timing code (in decicycles) */
|
|
static int measure_nop_time(void)
|
|
{
|
|
uint16_t nops[10000];
|
|
int i, nop_sum = 0;
|
|
av_unused const int sysfd = state.sysfd;
|
|
|
|
uint64_t t = 0;
|
|
for (i = 0; i < 10000; i++) {
|
|
PERF_START(t);
|
|
PERF_STOP(t);
|
|
nops[i] = t;
|
|
}
|
|
|
|
qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
|
|
for (i = 2500; i < 7500; i++)
|
|
nop_sum += nops[i];
|
|
|
|
return nop_sum / 500;
|
|
}
|
|
|
|
/* Print benchmark results */
|
|
static void print_benchs(CheckasmFunc *f)
|
|
{
|
|
if (f) {
|
|
print_benchs(f->child[0]);
|
|
|
|
/* Only print functions with at least one assembly version */
|
|
if (f->versions.cpu || f->versions.next) {
|
|
CheckasmFuncVersion *v = &f->versions;
|
|
do {
|
|
CheckasmPerf *p = &v->perf;
|
|
if (p->iterations) {
|
|
int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
|
|
printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
|
|
}
|
|
} while ((v = v->next));
|
|
}
|
|
|
|
print_benchs(f->child[1]);
|
|
}
|
|
}
|
|
|
|
/* ASCIIbetical sort except preserving natural order for numbers */
|
|
static int cmp_func_names(const char *a, const char *b)
|
|
{
|
|
const char *start = a;
|
|
int ascii_diff, digit_diff;
|
|
|
|
for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
|
|
for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
|
|
|
|
if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
|
|
return digit_diff;
|
|
|
|
return ascii_diff;
|
|
}
|
|
|
|
/* Perform a tree rotation in the specified direction and return the new root */
|
|
static CheckasmFunc *rotate_tree(CheckasmFunc *f, int dir)
|
|
{
|
|
CheckasmFunc *r = f->child[dir^1];
|
|
f->child[dir^1] = r->child[dir];
|
|
r->child[dir] = f;
|
|
r->color = f->color;
|
|
f->color = 0;
|
|
return r;
|
|
}
|
|
|
|
#define is_red(f) ((f) && !(f)->color)
|
|
|
|
/* Balance a left-leaning red-black tree at the specified node */
|
|
static void balance_tree(CheckasmFunc **root)
|
|
{
|
|
CheckasmFunc *f = *root;
|
|
|
|
if (is_red(f->child[0]) && is_red(f->child[1])) {
|
|
f->color ^= 1;
|
|
f->child[0]->color = f->child[1]->color = 1;
|
|
}
|
|
|
|
if (!is_red(f->child[0]) && is_red(f->child[1]))
|
|
*root = rotate_tree(f, 0); /* Rotate left */
|
|
else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
|
|
*root = rotate_tree(f, 1); /* Rotate right */
|
|
}
|
|
|
|
/* Get a node with the specified name, creating it if it doesn't exist */
|
|
static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
|
|
{
|
|
CheckasmFunc *f = *root;
|
|
|
|
if (f) {
|
|
/* Search the tree for a matching node */
|
|
int cmp = cmp_func_names(name, f->name);
|
|
if (cmp) {
|
|
f = get_func(&f->child[cmp > 0], name);
|
|
|
|
/* Rebalance the tree on the way up if a new node was inserted */
|
|
if (!f->versions.func)
|
|
balance_tree(root);
|
|
}
|
|
} else {
|
|
/* Allocate and insert a new node into the tree */
|
|
int name_length = strlen(name);
|
|
f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
|
|
memcpy(f->name, name, name_length + 1);
|
|
}
|
|
|
|
return f;
|
|
}
|
|
|
|
/* Perform tests and benchmarks for the specified cpu flag if supported by the host */
|
|
static void check_cpu_flag(const char *name, int flag)
|
|
{
|
|
int old_cpu_flag = state.cpu_flag;
|
|
|
|
flag |= old_cpu_flag;
|
|
av_force_cpu_flags(-1);
|
|
state.cpu_flag = flag & av_get_cpu_flags();
|
|
av_force_cpu_flags(state.cpu_flag);
|
|
|
|
if (!flag || state.cpu_flag != old_cpu_flag) {
|
|
int i;
|
|
|
|
state.cpu_flag_name = name;
|
|
for (i = 0; tests[i].func; i++) {
|
|
if (state.test_name && strcmp(tests[i].name, state.test_name))
|
|
continue;
|
|
state.current_test_name = tests[i].name;
|
|
tests[i].func();
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Print the name of the current CPU flag, but only do it once */
|
|
static void print_cpu_name(void)
|
|
{
|
|
if (state.cpu_flag_name) {
|
|
color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
|
|
state.cpu_flag_name = NULL;
|
|
}
|
|
}
|
|
|
|
#if CONFIG_LINUX_PERF
|
|
static int bench_init_linux(void)
|
|
{
|
|
struct perf_event_attr attr = {
|
|
.type = PERF_TYPE_HARDWARE,
|
|
.size = sizeof(struct perf_event_attr),
|
|
.config = PERF_COUNT_HW_CPU_CYCLES,
|
|
.disabled = 1, // start counting only on demand
|
|
.exclude_kernel = 1,
|
|
.exclude_hv = 1,
|
|
};
|
|
|
|
printf("benchmarking with Linux Perf Monitoring API\n");
|
|
|
|
state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
|
|
if (state.sysfd == -1) {
|
|
perror("perf_event_open");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
#elif CONFIG_MACOS_KPERF
|
|
static int bench_init_kperf(void)
|
|
{
|
|
ff_kperf_init();
|
|
return 0;
|
|
}
|
|
#else
|
|
static int bench_init_ffmpeg(void)
|
|
{
|
|
#ifdef AV_READ_TIME
|
|
printf("benchmarking with native FFmpeg timers\n");
|
|
return 0;
|
|
#else
|
|
fprintf(stderr, "checkasm: --bench is not supported on your system\n");
|
|
return -1;
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
static int bench_init(void)
|
|
{
|
|
#if CONFIG_LINUX_PERF
|
|
int ret = bench_init_linux();
|
|
#elif CONFIG_MACOS_KPERF
|
|
int ret = bench_init_kperf();
|
|
#else
|
|
int ret = bench_init_ffmpeg();
|
|
#endif
|
|
if (ret < 0)
|
|
return ret;
|
|
|
|
state.nop_time = measure_nop_time();
|
|
printf("nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
|
|
return 0;
|
|
}
|
|
|
|
static void bench_uninit(void)
|
|
{
|
|
#if CONFIG_LINUX_PERF
|
|
if (state.sysfd > 0)
|
|
close(state.sysfd);
|
|
#endif
|
|
}
|
|
|
|
static int usage(const char *path)
|
|
{
|
|
fprintf(stderr,
|
|
"Usage: %s [--bench] [--test=<pattern>] [--verbose] [seed]\n",
|
|
path);
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
unsigned int seed = av_get_random_seed();
|
|
int i, ret = 0;
|
|
|
|
#if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
|
|
if (have_vfp(av_get_cpu_flags()) || have_neon(av_get_cpu_flags()))
|
|
checkasm_checked_call = checkasm_checked_call_vfp;
|
|
#endif
|
|
#if ARCH_RISCV
|
|
struct sigaction act = {
|
|
.sa_handler = checkasm_handle_signal,
|
|
.sa_flags = 0,
|
|
};
|
|
|
|
sigaction(SIGILL, &act, NULL);
|
|
#endif
|
|
|
|
if (!tests[0].func || !cpus[0].flag) {
|
|
fprintf(stderr, "checkasm: no tests to perform\n");
|
|
return 0;
|
|
}
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
const char *arg = argv[i];
|
|
unsigned long l;
|
|
char *end;
|
|
|
|
if (!strncmp(arg, "--bench", 7)) {
|
|
if (bench_init() < 0)
|
|
return 1;
|
|
if (arg[7] == '=') {
|
|
state.bench_pattern = arg + 8;
|
|
state.bench_pattern_len = strlen(state.bench_pattern);
|
|
} else
|
|
state.bench_pattern = "";
|
|
} else if (!strncmp(arg, "--test=", 7)) {
|
|
state.test_name = arg + 7;
|
|
} else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
|
|
state.verbose = 1;
|
|
} else if ((l = strtoul(arg, &end, 10)) <= UINT_MAX &&
|
|
*end == '\0') {
|
|
seed = l;
|
|
} else {
|
|
return usage(argv[0]);
|
|
}
|
|
}
|
|
|
|
fprintf(stderr, "checkasm: using random seed %u\n", seed);
|
|
av_lfg_init(&checkasm_lfg, seed);
|
|
|
|
check_cpu_flag(NULL, 0);
|
|
for (i = 0; cpus[i].flag; i++)
|
|
check_cpu_flag(cpus[i].name, cpus[i].flag);
|
|
|
|
if (state.num_failed) {
|
|
fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
|
|
ret = 1;
|
|
} else {
|
|
fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
|
|
if (state.bench_pattern) {
|
|
print_benchs(state.funcs);
|
|
}
|
|
}
|
|
|
|
destroy_func_tree(state.funcs);
|
|
bench_uninit();
|
|
return ret;
|
|
}
|
|
|
|
/* Decide whether or not the specified function needs to be tested and
|
|
* allocate/initialize data structures if needed. Returns a pointer to a
|
|
* reference function if the function should be tested, otherwise NULL */
|
|
void *checkasm_check_func(void *func, const char *name, ...)
|
|
{
|
|
char name_buf[256];
|
|
void *ref = func;
|
|
CheckasmFuncVersion *v;
|
|
int name_length;
|
|
va_list arg;
|
|
|
|
va_start(arg, name);
|
|
name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
|
|
va_end(arg);
|
|
|
|
if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
|
|
return NULL;
|
|
|
|
state.current_func = get_func(&state.funcs, name_buf);
|
|
state.funcs->color = 1;
|
|
v = &state.current_func->versions;
|
|
|
|
if (v->func) {
|
|
CheckasmFuncVersion *prev;
|
|
do {
|
|
/* Only test functions that haven't already been tested */
|
|
if (v->func == func)
|
|
return NULL;
|
|
|
|
if (v->ok)
|
|
ref = v->func;
|
|
|
|
prev = v;
|
|
} while ((v = v->next));
|
|
|
|
v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
|
|
}
|
|
|
|
v->func = func;
|
|
v->ok = 1;
|
|
v->cpu = state.cpu_flag;
|
|
state.current_func_ver = v;
|
|
|
|
if (state.cpu_flag)
|
|
state.num_checked++;
|
|
|
|
return ref;
|
|
}
|
|
|
|
/* Decide whether or not the current function needs to be benchmarked */
|
|
int checkasm_bench_func(void)
|
|
{
|
|
return !state.num_failed && state.bench_pattern &&
|
|
!strncmp(state.current_func->name, state.bench_pattern, state.bench_pattern_len);
|
|
}
|
|
|
|
/* Indicate that the current test has failed */
|
|
void checkasm_fail_func(const char *msg, ...)
|
|
{
|
|
if (state.current_func_ver->cpu && state.current_func_ver->ok) {
|
|
va_list arg;
|
|
|
|
print_cpu_name();
|
|
fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
|
|
va_start(arg, msg);
|
|
vfprintf(stderr, msg, arg);
|
|
va_end(arg);
|
|
fprintf(stderr, ")\n");
|
|
|
|
state.current_func_ver->ok = 0;
|
|
state.num_failed++;
|
|
}
|
|
}
|
|
|
|
void checkasm_fail_signal(int signum)
|
|
{
|
|
#ifdef __GLIBC__
|
|
checkasm_fail_func("fatal signal %d: %s", signum, strsignal(signum));
|
|
#else
|
|
checkasm_fail_func("fatal signal %d", signum);
|
|
#endif
|
|
}
|
|
|
|
/* Get the benchmark context of the current function */
|
|
CheckasmPerf *checkasm_get_perf_context(void)
|
|
{
|
|
CheckasmPerf *perf = &state.current_func_ver->perf;
|
|
memset(perf, 0, sizeof(*perf));
|
|
perf->sysfd = state.sysfd;
|
|
return perf;
|
|
}
|
|
|
|
/* Print the outcome of all tests performed since the last time this function was called */
|
|
void checkasm_report(const char *name, ...)
|
|
{
|
|
static int prev_checked, prev_failed, max_length;
|
|
|
|
if (state.num_checked > prev_checked) {
|
|
int pad_length = max_length + 4;
|
|
va_list arg;
|
|
|
|
print_cpu_name();
|
|
pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
|
|
va_start(arg, name);
|
|
pad_length -= vfprintf(stderr, name, arg);
|
|
va_end(arg);
|
|
fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
|
|
|
|
if (state.num_failed == prev_failed)
|
|
color_printf(COLOR_GREEN, "OK");
|
|
else
|
|
color_printf(COLOR_RED, "FAILED");
|
|
fprintf(stderr, "]\n");
|
|
|
|
prev_checked = state.num_checked;
|
|
prev_failed = state.num_failed;
|
|
} else if (!state.cpu_flag) {
|
|
/* Calculate the amount of padding required to make the output vertically aligned */
|
|
int length = strlen(state.current_test_name);
|
|
va_list arg;
|
|
|
|
va_start(arg, name);
|
|
length += vsnprintf(NULL, 0, name, arg);
|
|
va_end(arg);
|
|
|
|
if (length > max_length)
|
|
max_length = length;
|
|
}
|
|
}
|
|
|
|
#define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
|
|
int checkasm_check_##type(const char *const file, const int line, \
|
|
const type *buf1, ptrdiff_t stride1, \
|
|
const type *buf2, ptrdiff_t stride2, \
|
|
const int w, int h, const char *const name) \
|
|
{ \
|
|
int y = 0; \
|
|
stride1 /= sizeof(*buf1); \
|
|
stride2 /= sizeof(*buf2); \
|
|
for (y = 0; y < h; y++) \
|
|
if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
|
|
break; \
|
|
if (y == h) \
|
|
return 0; \
|
|
checkasm_fail_func("%s:%d", file, line); \
|
|
if (!state.verbose) \
|
|
return 1; \
|
|
fprintf(stderr, "%s:\n", name); \
|
|
while (h--) { \
|
|
for (int x = 0; x < w; x++) \
|
|
fprintf(stderr, " " fmt, buf1[x]); \
|
|
fprintf(stderr, " "); \
|
|
for (int x = 0; x < w; x++) \
|
|
fprintf(stderr, " " fmt, buf2[x]); \
|
|
fprintf(stderr, " "); \
|
|
for (int x = 0; x < w; x++) \
|
|
fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
|
|
buf1 += stride1; \
|
|
buf2 += stride2; \
|
|
fprintf(stderr, "\n"); \
|
|
} \
|
|
return 1; \
|
|
}
|
|
|
|
DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
|
|
DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
|
|
DEF_CHECKASM_CHECK_FUNC(uint32_t, "%08x")
|
|
DEF_CHECKASM_CHECK_FUNC(int16_t, "%6d")
|
|
DEF_CHECKASM_CHECK_FUNC(int32_t, "%9d")
|