mirror of
https://github.com/pineappleEA/pineapple-src.git
synced 2024-12-05 06:38:24 -05:00
882 lines
24 KiB
C
882 lines
24 KiB
C
|
/*
|
||
|
* Assembly testing and benchmarking tool
|
||
|
* Copyright (c) 2015 Henrik Gramner
|
||
|
* Copyright (c) 2008 Loren Merritt
|
||
|
*
|
||
|
* This file is part of FFmpeg.
|
||
|
*
|
||
|
* FFmpeg is free software; you can redistribute it and/or modify
|
||
|
* it under the terms of the GNU General Public License as published by
|
||
|
* the Free Software Foundation; either version 2 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 General Public License for more details.
|
||
|
*
|
||
|
* You should have received a copy of the GNU 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 "config.h"
|
||
|
|
||
|
#if CONFIG_LINUX_PERF
|
||
|
# ifndef _GNU_SOURCE
|
||
|
# define _GNU_SOURCE // for syscall (performance monitoring API)
|
||
|
# endif
|
||
|
#endif
|
||
|
|
||
|
#include <stdarg.h>
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <string.h>
|
||
|
#include "checkasm.h"
|
||
|
#include "libavutil/common.h"
|
||
|
#include "libavutil/cpu.h"
|
||
|
#include "libavutil/intfloat.h"
|
||
|
#include "libavutil/random_seed.h"
|
||
|
|
||
|
#if HAVE_IO_H
|
||
|
#include <io.h>
|
||
|
#endif
|
||
|
|
||
|
#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
|
||
|
#include <windows.h>
|
||
|
#define COLOR_RED FOREGROUND_RED
|
||
|
#define COLOR_GREEN FOREGROUND_GREEN
|
||
|
#define COLOR_YELLOW (FOREGROUND_RED|FOREGROUND_GREEN)
|
||
|
#else
|
||
|
#define COLOR_RED 1
|
||
|
#define COLOR_GREEN 2
|
||
|
#define COLOR_YELLOW 3
|
||
|
#endif
|
||
|
|
||
|
#if HAVE_UNISTD_H
|
||
|
#include <unistd.h>
|
||
|
#endif
|
||
|
|
||
|
#if !HAVE_ISATTY
|
||
|
#define isatty(fd) 1
|
||
|
#endif
|
||
|
|
||
|
#if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
|
||
|
#include "libavutil/arm/cpu.h"
|
||
|
|
||
|
void (*checkasm_checked_call)(void *func, int dummy, ...) = checkasm_checked_call_novfp;
|
||
|
#endif
|
||
|
|
||
|
/* List of tests to invoke */
|
||
|
static const struct {
|
||
|
const char *name;
|
||
|
void (*func)(void);
|
||
|
} tests[] = {
|
||
|
#if CONFIG_AVCODEC
|
||
|
#if CONFIG_AAC_DECODER
|
||
|
{ "aacpsdsp", checkasm_check_aacpsdsp },
|
||
|
{ "sbrdsp", checkasm_check_sbrdsp },
|
||
|
#endif
|
||
|
#if CONFIG_ALAC_DECODER
|
||
|
{ "alacdsp", checkasm_check_alacdsp },
|
||
|
#endif
|
||
|
#if CONFIG_AUDIODSP
|
||
|
{ "audiodsp", checkasm_check_audiodsp },
|
||
|
#endif
|
||
|
#if CONFIG_BLOCKDSP
|
||
|
{ "blockdsp", checkasm_check_blockdsp },
|
||
|
#endif
|
||
|
#if CONFIG_BSWAPDSP
|
||
|
{ "bswapdsp", checkasm_check_bswapdsp },
|
||
|
#endif
|
||
|
#if CONFIG_DCA_DECODER
|
||
|
{ "synth_filter", checkasm_check_synth_filter },
|
||
|
#endif
|
||
|
#if CONFIG_EXR_DECODER
|
||
|
{ "exrdsp", checkasm_check_exrdsp },
|
||
|
#endif
|
||
|
#if CONFIG_FLACDSP
|
||
|
{ "flacdsp", checkasm_check_flacdsp },
|
||
|
#endif
|
||
|
#if CONFIG_FMTCONVERT
|
||
|
{ "fmtconvert", checkasm_check_fmtconvert },
|
||
|
#endif
|
||
|
#if CONFIG_G722DSP
|
||
|
{ "g722dsp", checkasm_check_g722dsp },
|
||
|
#endif
|
||
|
#if CONFIG_H264DSP
|
||
|
{ "h264dsp", checkasm_check_h264dsp },
|
||
|
#endif
|
||
|
#if CONFIG_H264PRED
|
||
|
{ "h264pred", checkasm_check_h264pred },
|
||
|
#endif
|
||
|
#if CONFIG_H264QPEL
|
||
|
{ "h264qpel", checkasm_check_h264qpel },
|
||
|
#endif
|
||
|
#if CONFIG_HEVC_DECODER
|
||
|
{ "hevc_add_res", checkasm_check_hevc_add_res },
|
||
|
{ "hevc_idct", checkasm_check_hevc_idct },
|
||
|
{ "hevc_sao", checkasm_check_hevc_sao },
|
||
|
#endif
|
||
|
#if CONFIG_HUFFYUV_DECODER
|
||
|
{ "huffyuvdsp", checkasm_check_huffyuvdsp },
|
||
|
#endif
|
||
|
#if CONFIG_JPEG2000_DECODER
|
||
|
{ "jpeg2000dsp", checkasm_check_jpeg2000dsp },
|
||
|
#endif
|
||
|
#if CONFIG_HUFFYUVDSP
|
||
|
{ "llviddsp", checkasm_check_llviddsp },
|
||
|
#endif
|
||
|
#if CONFIG_LLVIDENCDSP
|
||
|
{ "llviddspenc", checkasm_check_llviddspenc },
|
||
|
#endif
|
||
|
#if CONFIG_OPUS_DECODER
|
||
|
{ "opusdsp", checkasm_check_opusdsp },
|
||
|
#endif
|
||
|
#if CONFIG_PIXBLOCKDSP
|
||
|
{ "pixblockdsp", checkasm_check_pixblockdsp },
|
||
|
#endif
|
||
|
#if CONFIG_UTVIDEO_DECODER
|
||
|
{ "utvideodsp", checkasm_check_utvideodsp },
|
||
|
#endif
|
||
|
#if CONFIG_V210_DECODER
|
||
|
{ "v210dec", checkasm_check_v210dec },
|
||
|
#endif
|
||
|
#if CONFIG_V210_ENCODER
|
||
|
{ "v210enc", checkasm_check_v210enc },
|
||
|
#endif
|
||
|
#if CONFIG_VP8DSP
|
||
|
{ "vp8dsp", checkasm_check_vp8dsp },
|
||
|
#endif
|
||
|
#if CONFIG_VP9_DECODER
|
||
|
{ "vp9dsp", checkasm_check_vp9dsp },
|
||
|
#endif
|
||
|
#if CONFIG_VIDEODSP
|
||
|
{ "videodsp", checkasm_check_videodsp },
|
||
|
#endif
|
||
|
#endif
|
||
|
#if CONFIG_AVFILTER
|
||
|
#if CONFIG_AFIR_FILTER
|
||
|
{ "af_afir", checkasm_check_afir },
|
||
|
#endif
|
||
|
#if CONFIG_BLEND_FILTER
|
||
|
{ "vf_blend", checkasm_check_blend },
|
||
|
#endif
|
||
|
#if CONFIG_COLORSPACE_FILTER
|
||
|
{ "vf_colorspace", checkasm_check_colorspace },
|
||
|
#endif
|
||
|
#if CONFIG_EQ_FILTER
|
||
|
{ "vf_eq", checkasm_check_vf_eq },
|
||
|
#endif
|
||
|
#if CONFIG_GBLUR_FILTER
|
||
|
{ "vf_gblur", checkasm_check_vf_gblur },
|
||
|
#endif
|
||
|
#if CONFIG_HFLIP_FILTER
|
||
|
{ "vf_hflip", checkasm_check_vf_hflip },
|
||
|
#endif
|
||
|
#if CONFIG_NLMEANS_FILTER
|
||
|
{ "vf_nlmeans", checkasm_check_nlmeans },
|
||
|
#endif
|
||
|
#if CONFIG_THRESHOLD_FILTER
|
||
|
{ "vf_threshold", checkasm_check_vf_threshold },
|
||
|
#endif
|
||
|
#endif
|
||
|
#if CONFIG_SWSCALE
|
||
|
{ "sw_rgb", checkasm_check_sw_rgb },
|
||
|
{ "sw_scale", checkasm_check_sw_scale },
|
||
|
#endif
|
||
|
#if CONFIG_AVUTIL
|
||
|
{ "fixed_dsp", checkasm_check_fixed_dsp },
|
||
|
{ "float_dsp", checkasm_check_float_dsp },
|
||
|
#endif
|
||
|
{ NULL }
|
||
|
};
|
||
|
|
||
|
/* List of cpu flags to check */
|
||
|
static const struct {
|
||
|
const char *name;
|
||
|
const char *suffix;
|
||
|
int flag;
|
||
|
} cpus[] = {
|
||
|
#if ARCH_AARCH64
|
||
|
{ "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
|
||
|
{ "NEON", "neon", AV_CPU_FLAG_NEON },
|
||
|
#elif ARCH_ARM
|
||
|
{ "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
|
||
|
{ "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
|
||
|
{ "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
|
||
|
{ "VFP", "vfp", AV_CPU_FLAG_VFP },
|
||
|
{ "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
|
||
|
{ "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
|
||
|
{ "NEON", "neon", AV_CPU_FLAG_NEON },
|
||
|
#elif ARCH_PPC
|
||
|
{ "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
|
||
|
{ "VSX", "vsx", AV_CPU_FLAG_VSX },
|
||
|
{ "POWER8", "power8", AV_CPU_FLAG_POWER8 },
|
||
|
#elif ARCH_X86
|
||
|
{ "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
|
||
|
{ "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
|
||
|
{ "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
|
||
|
{ "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
|
||
|
{ "SSE", "sse", AV_CPU_FLAG_SSE },
|
||
|
{ "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
|
||
|
{ "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
|
||
|
{ "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
|
||
|
{ "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
|
||
|
{ "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
|
||
|
{ "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
|
||
|
{ "AVX", "avx", AV_CPU_FLAG_AVX },
|
||
|
{ "XOP", "xop", AV_CPU_FLAG_XOP },
|
||
|
{ "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
|
||
|
{ "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
|
||
|
{ "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
|
||
|
{ "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
|
||
|
#endif
|
||
|
{ NULL }
|
||
|
};
|
||
|
|
||
|
typedef struct CheckasmFuncVersion {
|
||
|
struct CheckasmFuncVersion *next;
|
||
|
void *func;
|
||
|
int ok;
|
||
|
int cpu;
|
||
|
CheckasmPerf perf;
|
||
|
} CheckasmFuncVersion;
|
||
|
|
||
|
/* Binary search tree node */
|
||
|
typedef struct CheckasmFunc {
|
||
|
struct CheckasmFunc *child[2];
|
||
|
CheckasmFuncVersion versions;
|
||
|
uint8_t color; /* 0 = red, 1 = black */
|
||
|
char name[1];
|
||
|
} CheckasmFunc;
|
||
|
|
||
|
/* Internal state */
|
||
|
static struct {
|
||
|
CheckasmFunc *funcs;
|
||
|
CheckasmFunc *current_func;
|
||
|
CheckasmFuncVersion *current_func_ver;
|
||
|
const char *current_test_name;
|
||
|
const char *bench_pattern;
|
||
|
int bench_pattern_len;
|
||
|
int num_checked;
|
||
|
int num_failed;
|
||
|
|
||
|
/* perf */
|
||
|
int nop_time;
|
||
|
int sysfd;
|
||
|
|
||
|
int cpu_flag;
|
||
|
const char *cpu_flag_name;
|
||
|
const char *test_name;
|
||
|
int verbose;
|
||
|
} state;
|
||
|
|
||
|
/* PRNG state */
|
||
|
AVLFG checkasm_lfg;
|
||
|
|
||
|
/* float compare support code */
|
||
|
static int is_negative(union av_intfloat32 u)
|
||
|
{
|
||
|
return u.i >> 31;
|
||
|
}
|
||
|
|
||
|
int float_near_ulp(float a, float b, unsigned max_ulp)
|
||
|
{
|
||
|
union av_intfloat32 x, y;
|
||
|
|
||
|
x.f = a;
|
||
|
y.f = b;
|
||
|
|
||
|
if (is_negative(x) != is_negative(y)) {
|
||
|
// handle -0.0 == +0.0
|
||
|
return a == b;
|
||
|
}
|
||
|
|
||
|
if (llabs((int64_t)x.i - y.i) <= max_ulp)
|
||
|
return 1;
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
|
||
|
unsigned len)
|
||
|
{
|
||
|
unsigned i;
|
||
|
|
||
|
for (i = 0; i < len; i++) {
|
||
|
if (!float_near_ulp(a[i], b[i], max_ulp))
|
||
|
return 0;
|
||
|
}
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
int float_near_abs_eps(float a, float b, float eps)
|
||
|
{
|
||
|
float abs_diff = fabsf(a - b);
|
||
|
if (abs_diff < eps)
|
||
|
return 1;
|
||
|
|
||
|
fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int float_near_abs_eps_array(const float *a, const float *b, float eps,
|
||
|
unsigned len)
|
||
|
{
|
||
|
unsigned i;
|
||
|
|
||
|
for (i = 0; i < len; i++) {
|
||
|
if (!float_near_abs_eps(a[i], b[i], eps))
|
||
|
return 0;
|
||
|
}
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
|
||
|
{
|
||
|
return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
|
||
|
}
|
||
|
|
||
|
int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
|
||
|
unsigned max_ulp, unsigned len)
|
||
|
{
|
||
|
unsigned i;
|
||
|
|
||
|
for (i = 0; i < len; i++) {
|
||
|
if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
|
||
|
return 0;
|
||
|
}
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
int double_near_abs_eps(double a, double b, double eps)
|
||
|
{
|
||
|
double abs_diff = fabs(a - b);
|
||
|
|
||
|
return abs_diff < eps;
|
||
|
}
|
||
|
|
||
|
int double_near_abs_eps_array(const double *a, const double *b, double eps,
|
||
|
unsigned len)
|
||
|
{
|
||
|
unsigned i;
|
||
|
|
||
|
for (i = 0; i < len; i++) {
|
||
|
if (!double_near_abs_eps(a[i], b[i], eps))
|
||
|
return 0;
|
||
|
}
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
/* Print colored text to stderr if the terminal supports it */
|
||
|
static void color_printf(int color, const char *fmt, ...)
|
||
|
{
|
||
|
static int use_color = -1;
|
||
|
va_list arg;
|
||
|
|
||
|
#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
|
||
|
static HANDLE con;
|
||
|
static WORD org_attributes;
|
||
|
|
||
|
if (use_color < 0) {
|
||
|
CONSOLE_SCREEN_BUFFER_INFO con_info;
|
||
|
con = GetStdHandle(STD_ERROR_HANDLE);
|
||
|
if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
|
||
|
org_attributes = con_info.wAttributes;
|
||
|
use_color = 1;
|
||
|
} else
|
||
|
use_color = 0;
|
||
|
}
|
||
|
if (use_color)
|
||
|
SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
|
||
|
#else
|
||
|
if (use_color < 0) {
|
||
|
const char *term = getenv("TERM");
|
||
|
use_color = term && strcmp(term, "dumb") && isatty(2);
|
||
|
}
|
||
|
if (use_color)
|
||
|
fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
|
||
|
#endif
|
||
|
|
||
|
va_start(arg, fmt);
|
||
|
vfprintf(stderr, fmt, arg);
|
||
|
va_end(arg);
|
||
|
|
||
|
if (use_color) {
|
||
|
#if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
|
||
|
SetConsoleTextAttribute(con, org_attributes);
|
||
|
#else
|
||
|
fprintf(stderr, "\x1b[0m");
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* Deallocate a tree */
|
||
|
static void destroy_func_tree(CheckasmFunc *f)
|
||
|
{
|
||
|
if (f) {
|
||
|
CheckasmFuncVersion *v = f->versions.next;
|
||
|
while (v) {
|
||
|
CheckasmFuncVersion *next = v->next;
|
||
|
free(v);
|
||
|
v = next;
|
||
|
}
|
||
|
|
||
|
destroy_func_tree(f->child[0]);
|
||
|
destroy_func_tree(f->child[1]);
|
||
|
free(f);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* 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("syscall");
|
||
|
return -1;
|
||
|
}
|
||
|
return 0;
|
||
|
}
|
||
|
#endif
|
||
|
|
||
|
#if !CONFIG_LINUX_PERF
|
||
|
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();
|
||
|
#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
|
||
|
}
|
||
|
|
||
|
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 (!tests[0].func || !cpus[0].flag) {
|
||
|
fprintf(stderr, "checkasm: no tests to perform\n");
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
while (argc > 1) {
|
||
|
if (!strncmp(argv[1], "--bench", 7)) {
|
||
|
if (bench_init() < 0)
|
||
|
return 1;
|
||
|
if (argv[1][7] == '=') {
|
||
|
state.bench_pattern = argv[1] + 8;
|
||
|
state.bench_pattern_len = strlen(state.bench_pattern);
|
||
|
} else
|
||
|
state.bench_pattern = "";
|
||
|
} else if (!strncmp(argv[1], "--test=", 7)) {
|
||
|
state.test_name = argv[1] + 7;
|
||
|
} else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
|
||
|
state.verbose = 1;
|
||
|
} else {
|
||
|
seed = strtoul(argv[1], NULL, 10);
|
||
|
}
|
||
|
|
||
|
argc--;
|
||
|
argv++;
|
||
|
}
|
||
|
|
||
|
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++;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/* 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(int16_t, "%6d")
|
||
|
DEF_CHECKASM_CHECK_FUNC(int32_t, "%9d")
|