FFmpeg
checkasm.c
Go to the documentation of this file.
1 /*
2  * Assembly testing and benchmarking tool
3  * Copyright (c) 2015 Henrik Gramner
4  * Copyright (c) 2008 Loren Merritt
5  *
6  * This file is part of FFmpeg.
7  *
8  * FFmpeg is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * FFmpeg is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License along
19  * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
20  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21  */
22 
23 #include "config.h"
24 #include "config_components.h"
25 
26 #if CONFIG_LINUX_PERF
27 # ifndef _GNU_SOURCE
28 # define _GNU_SOURCE // for syscall (performance monitoring API)
29 # endif
30 #endif
31 
32 #include <stdarg.h>
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include "checkasm.h"
37 #include "libavutil/common.h"
38 #include "libavutil/cpu.h"
39 #include "libavutil/intfloat.h"
40 #include "libavutil/random_seed.h"
41 
42 #if HAVE_IO_H
43 #include <io.h>
44 #endif
45 
46 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
47 #include <windows.h>
48 #define COLOR_RED FOREGROUND_RED
49 #define COLOR_GREEN FOREGROUND_GREEN
50 #define COLOR_YELLOW (FOREGROUND_RED|FOREGROUND_GREEN)
51 #else
52 #define COLOR_RED 1
53 #define COLOR_GREEN 2
54 #define COLOR_YELLOW 3
55 #endif
56 
57 #if HAVE_UNISTD_H
58 #include <unistd.h>
59 #endif
60 
61 #if !HAVE_ISATTY
62 #define isatty(fd) 1
63 #endif
64 
65 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
66 #include "libavutil/arm/cpu.h"
67 
68 void (*checkasm_checked_call)(void *func, int dummy, ...) = checkasm_checked_call_novfp;
69 #endif
70 
71 /* List of tests to invoke */
72 static const struct {
73  const char *name;
74  void (*func)(void);
75 } tests[] = {
76 #if CONFIG_AVCODEC
77  #if CONFIG_AAC_DECODER
78  { "aacpsdsp", checkasm_check_aacpsdsp },
79  { "sbrdsp", checkasm_check_sbrdsp },
80  #endif
81  #if CONFIG_ALAC_DECODER
82  { "alacdsp", checkasm_check_alacdsp },
83  #endif
84  #if CONFIG_AUDIODSP
85  { "audiodsp", checkasm_check_audiodsp },
86  #endif
87  #if CONFIG_BLOCKDSP
88  { "blockdsp", checkasm_check_blockdsp },
89  #endif
90  #if CONFIG_BSWAPDSP
91  { "bswapdsp", checkasm_check_bswapdsp },
92  #endif
93  #if CONFIG_DCA_DECODER
94  { "synth_filter", checkasm_check_synth_filter },
95  #endif
96  #if CONFIG_EXR_DECODER
97  { "exrdsp", checkasm_check_exrdsp },
98  #endif
99  #if CONFIG_FLAC_DECODER
100  { "flacdsp", checkasm_check_flacdsp },
101  #endif
102  #if CONFIG_FMTCONVERT
103  { "fmtconvert", checkasm_check_fmtconvert },
104  #endif
105  #if CONFIG_G722DSP
106  { "g722dsp", checkasm_check_g722dsp },
107  #endif
108  #if CONFIG_H264DSP
109  { "h264dsp", checkasm_check_h264dsp },
110  #endif
111  #if CONFIG_H264PRED
112  { "h264pred", checkasm_check_h264pred },
113  #endif
114  #if CONFIG_H264QPEL
115  { "h264qpel", checkasm_check_h264qpel },
116  #endif
117  #if CONFIG_HEVC_DECODER
118  { "hevc_add_res", checkasm_check_hevc_add_res },
119  { "hevc_idct", checkasm_check_hevc_idct },
120  { "hevc_pel", checkasm_check_hevc_pel },
121  { "hevc_sao", checkasm_check_hevc_sao },
122  #endif
123  #if CONFIG_HUFFYUV_DECODER
124  { "huffyuvdsp", checkasm_check_huffyuvdsp },
125  #endif
126  #if CONFIG_IDCTDSP
127  { "idctdsp", checkasm_check_idctdsp },
128  #endif
129  #if CONFIG_JPEG2000_DECODER
130  { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
131  #endif
132  #if CONFIG_HUFFYUVDSP
133  { "llviddsp", checkasm_check_llviddsp },
134  #endif
135  #if CONFIG_LLVIDENCDSP
136  { "llviddspenc", checkasm_check_llviddspenc },
137  #endif
138  #if CONFIG_ME_CMP
139  { "motion", checkasm_check_motion },
140  #endif
141  #if CONFIG_OPUS_DECODER
142  { "opusdsp", checkasm_check_opusdsp },
143  #endif
144  #if CONFIG_PIXBLOCKDSP
145  { "pixblockdsp", checkasm_check_pixblockdsp },
146  #endif
147  #if CONFIG_UTVIDEO_DECODER
148  { "utvideodsp", checkasm_check_utvideodsp },
149  #endif
150  #if CONFIG_V210_DECODER
151  { "v210dec", checkasm_check_v210dec },
152  #endif
153  #if CONFIG_V210_ENCODER
154  { "v210enc", checkasm_check_v210enc },
155  #endif
156  #if CONFIG_VC1DSP
157  { "vc1dsp", checkasm_check_vc1dsp },
158  #endif
159  #if CONFIG_VP8DSP
160  { "vp8dsp", checkasm_check_vp8dsp },
161  #endif
162  #if CONFIG_VP9_DECODER
163  { "vp9dsp", checkasm_check_vp9dsp },
164  #endif
165  #if CONFIG_VIDEODSP
166  { "videodsp", checkasm_check_videodsp },
167  #endif
168 #endif
169 #if CONFIG_AVFILTER
170  #if CONFIG_AFIR_FILTER
171  { "af_afir", checkasm_check_afir },
172  #endif
173  #if CONFIG_BLEND_FILTER
174  { "vf_blend", checkasm_check_blend },
175  #endif
176  #if CONFIG_COLORSPACE_FILTER
177  { "vf_colorspace", checkasm_check_colorspace },
178  #endif
179  #if CONFIG_EQ_FILTER
180  { "vf_eq", checkasm_check_vf_eq },
181  #endif
182  #if CONFIG_GBLUR_FILTER
183  { "vf_gblur", checkasm_check_vf_gblur },
184  #endif
185  #if CONFIG_HFLIP_FILTER
186  { "vf_hflip", checkasm_check_vf_hflip },
187  #endif
188  #if CONFIG_NLMEANS_FILTER
189  { "vf_nlmeans", checkasm_check_nlmeans },
190  #endif
191  #if CONFIG_THRESHOLD_FILTER
192  { "vf_threshold", checkasm_check_vf_threshold },
193  #endif
194 #endif
195 #if CONFIG_SWSCALE
196  { "sw_gbrp", checkasm_check_sw_gbrp },
197  { "sw_rgb", checkasm_check_sw_rgb },
198  { "sw_scale", checkasm_check_sw_scale },
199 #endif
200 #if CONFIG_AVUTIL
201  { "fixed_dsp", checkasm_check_fixed_dsp },
202  { "float_dsp", checkasm_check_float_dsp },
203  { "av_tx", checkasm_check_av_tx },
204 #endif
205  { NULL }
206 };
207 
208 /* List of cpu flags to check */
209 static const struct {
210  const char *name;
211  const char *suffix;
212  int flag;
213 } cpus[] = {
214 #if ARCH_AARCH64
215  { "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
216  { "NEON", "neon", AV_CPU_FLAG_NEON },
217 #elif ARCH_ARM
218  { "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
219  { "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
220  { "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
221  { "VFP", "vfp", AV_CPU_FLAG_VFP },
222  { "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
223  { "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
224  { "NEON", "neon", AV_CPU_FLAG_NEON },
225 #elif ARCH_PPC
226  { "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
227  { "VSX", "vsx", AV_CPU_FLAG_VSX },
228  { "POWER8", "power8", AV_CPU_FLAG_POWER8 },
229 #elif ARCH_MIPS
230  { "MMI", "mmi", AV_CPU_FLAG_MMI },
231  { "MSA", "msa", AV_CPU_FLAG_MSA },
232 #elif ARCH_X86
233  { "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
234  { "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
235  { "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
236  { "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
237  { "SSE", "sse", AV_CPU_FLAG_SSE },
238  { "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
239  { "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
240  { "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
241  { "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
242  { "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
243  { "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
244  { "AVX", "avx", AV_CPU_FLAG_AVX },
245  { "XOP", "xop", AV_CPU_FLAG_XOP },
246  { "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
247  { "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
248  { "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
249  { "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
250  { "AVX-512ICL", "avx512icl", AV_CPU_FLAG_AVX512ICL },
251 #elif ARCH_LOONGARCH
252  { "LSX", "lsx", AV_CPU_FLAG_LSX },
253  { "LASX", "lasx", AV_CPU_FLAG_LASX },
254 #endif
255  { NULL }
256 };
257 
258 typedef struct CheckasmFuncVersion {
260  void *func;
261  int ok;
262  int cpu;
265 
266 /* Binary search tree node */
267 typedef struct CheckasmFunc {
268  struct CheckasmFunc *child[2];
270  uint8_t color; /* 0 = red, 1 = black */
271  char name[1];
272 } CheckasmFunc;
273 
274 /* Internal state */
275 static struct {
279  const char *current_test_name;
280  const char *bench_pattern;
284 
285  /* perf */
286  int nop_time;
287  int sysfd;
288 
289  int cpu_flag;
290  const char *cpu_flag_name;
291  const char *test_name;
292  int verbose;
293 } state;
294 
295 /* PRNG state */
297 
298 /* float compare support code */
299 static int is_negative(union av_intfloat32 u)
300 {
301  return u.i >> 31;
302 }
303 
304 int float_near_ulp(float a, float b, unsigned max_ulp)
305 {
306  union av_intfloat32 x, y;
307 
308  x.f = a;
309  y.f = b;
310 
311  if (is_negative(x) != is_negative(y)) {
312  // handle -0.0 == +0.0
313  return a == b;
314  }
315 
316  if (llabs((int64_t)x.i - y.i) <= max_ulp)
317  return 1;
318 
319  return 0;
320 }
321 
322 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
323  unsigned len)
324 {
325  unsigned i;
326 
327  for (i = 0; i < len; i++) {
328  if (!float_near_ulp(a[i], b[i], max_ulp))
329  return 0;
330  }
331  return 1;
332 }
333 
334 int float_near_abs_eps(float a, float b, float eps)
335 {
336  float abs_diff = fabsf(a - b);
337  if (abs_diff < eps)
338  return 1;
339 
340  fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
341 
342  return 0;
343 }
344 
345 int float_near_abs_eps_array(const float *a, const float *b, float eps,
346  unsigned len)
347 {
348  unsigned i;
349 
350  for (i = 0; i < len; i++) {
351  if (!float_near_abs_eps(a[i], b[i], eps))
352  return 0;
353  }
354  return 1;
355 }
356 
357 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
358 {
359  return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
360 }
361 
362 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
363  unsigned max_ulp, unsigned len)
364 {
365  unsigned i;
366 
367  for (i = 0; i < len; i++) {
368  if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
369  return 0;
370  }
371  return 1;
372 }
373 
374 int double_near_abs_eps(double a, double b, double eps)
375 {
376  double abs_diff = fabs(a - b);
377 
378  return abs_diff < eps;
379 }
380 
381 int double_near_abs_eps_array(const double *a, const double *b, double eps,
382  unsigned len)
383 {
384  unsigned i;
385 
386  for (i = 0; i < len; i++) {
387  if (!double_near_abs_eps(a[i], b[i], eps))
388  return 0;
389  }
390  return 1;
391 }
392 
393 /* Print colored text to stderr if the terminal supports it */
394 static void color_printf(int color, const char *fmt, ...)
395 {
396  static int use_color = -1;
397  va_list arg;
398 
399 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
400  static HANDLE con;
401  static WORD org_attributes;
402 
403  if (use_color < 0) {
404  CONSOLE_SCREEN_BUFFER_INFO con_info;
405  con = GetStdHandle(STD_ERROR_HANDLE);
406  if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
407  org_attributes = con_info.wAttributes;
408  use_color = 1;
409  } else
410  use_color = 0;
411  }
412  if (use_color)
413  SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
414 #else
415  if (use_color < 0) {
416  const char *term = getenv("TERM");
417  use_color = term && strcmp(term, "dumb") && isatty(2);
418  }
419  if (use_color)
420  fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
421 #endif
422 
423  va_start(arg, fmt);
424  vfprintf(stderr, fmt, arg);
425  va_end(arg);
426 
427  if (use_color) {
428 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
429  SetConsoleTextAttribute(con, org_attributes);
430 #else
431  fprintf(stderr, "\x1b[0m");
432 #endif
433  }
434 }
435 
436 /* Deallocate a tree */
438 {
439  if (f) {
440  CheckasmFuncVersion *v = f->versions.next;
441  while (v) {
442  CheckasmFuncVersion *next = v->next;
443  free(v);
444  v = next;
445  }
446 
447  destroy_func_tree(f->child[0]);
448  destroy_func_tree(f->child[1]);
449  free(f);
450  }
451 }
452 
453 /* Allocate a zero-initialized block, clean up and exit on failure */
454 static void *checkasm_malloc(size_t size)
455 {
456  void *ptr = calloc(1, size);
457  if (!ptr) {
458  fprintf(stderr, "checkasm: malloc failed\n");
459  destroy_func_tree(state.funcs);
460  exit(1);
461  }
462  return ptr;
463 }
464 
465 /* Get the suffix of the specified cpu flag */
466 static const char *cpu_suffix(int cpu)
467 {
468  int i = FF_ARRAY_ELEMS(cpus);
469 
470  while (--i >= 0)
471  if (cpu & cpus[i].flag)
472  return cpus[i].suffix;
473 
474  return "c";
475 }
476 
477 static int cmp_nop(const void *a, const void *b)
478 {
479  return *(const uint16_t*)a - *(const uint16_t*)b;
480 }
481 
482 /* Measure the overhead of the timing code (in decicycles) */
483 static int measure_nop_time(void)
484 {
485  uint16_t nops[10000];
486  int i, nop_sum = 0;
487  av_unused const int sysfd = state.sysfd;
488 
489  uint64_t t = 0;
490  for (i = 0; i < 10000; i++) {
491  PERF_START(t);
492  PERF_STOP(t);
493  nops[i] = t;
494  }
495 
496  qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
497  for (i = 2500; i < 7500; i++)
498  nop_sum += nops[i];
499 
500  return nop_sum / 500;
501 }
502 
503 /* Print benchmark results */
505 {
506  if (f) {
507  print_benchs(f->child[0]);
508 
509  /* Only print functions with at least one assembly version */
510  if (f->versions.cpu || f->versions.next) {
511  CheckasmFuncVersion *v = &f->versions;
512  do {
513  CheckasmPerf *p = &v->perf;
514  if (p->iterations) {
515  int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
516  printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
517  }
518  } while ((v = v->next));
519  }
520 
521  print_benchs(f->child[1]);
522  }
523 }
524 
525 /* ASCIIbetical sort except preserving natural order for numbers */
526 static int cmp_func_names(const char *a, const char *b)
527 {
528  const char *start = a;
529  int ascii_diff, digit_diff;
530 
531  for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
532  for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
533 
534  if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
535  return digit_diff;
536 
537  return ascii_diff;
538 }
539 
540 /* Perform a tree rotation in the specified direction and return the new root */
542 {
543  CheckasmFunc *r = f->child[dir^1];
544  f->child[dir^1] = r->child[dir];
545  r->child[dir] = f;
546  r->color = f->color;
547  f->color = 0;
548  return r;
549 }
550 
551 #define is_red(f) ((f) && !(f)->color)
552 
553 /* Balance a left-leaning red-black tree at the specified node */
554 static void balance_tree(CheckasmFunc **root)
555 {
556  CheckasmFunc *f = *root;
557 
558  if (is_red(f->child[0]) && is_red(f->child[1])) {
559  f->color ^= 1;
560  f->child[0]->color = f->child[1]->color = 1;
561  }
562 
563  if (!is_red(f->child[0]) && is_red(f->child[1]))
564  *root = rotate_tree(f, 0); /* Rotate left */
565  else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
566  *root = rotate_tree(f, 1); /* Rotate right */
567 }
568 
569 /* Get a node with the specified name, creating it if it doesn't exist */
570 static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
571 {
572  CheckasmFunc *f = *root;
573 
574  if (f) {
575  /* Search the tree for a matching node */
576  int cmp = cmp_func_names(name, f->name);
577  if (cmp) {
578  f = get_func(&f->child[cmp > 0], name);
579 
580  /* Rebalance the tree on the way up if a new node was inserted */
581  if (!f->versions.func)
582  balance_tree(root);
583  }
584  } else {
585  /* Allocate and insert a new node into the tree */
586  int name_length = strlen(name);
587  f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
588  memcpy(f->name, name, name_length + 1);
589  }
590 
591  return f;
592 }
593 
594 /* Perform tests and benchmarks for the specified cpu flag if supported by the host */
595 static void check_cpu_flag(const char *name, int flag)
596 {
597  int old_cpu_flag = state.cpu_flag;
598 
599  flag |= old_cpu_flag;
600  av_force_cpu_flags(-1);
601  state.cpu_flag = flag & av_get_cpu_flags();
602  av_force_cpu_flags(state.cpu_flag);
603 
604  if (!flag || state.cpu_flag != old_cpu_flag) {
605  int i;
606 
607  state.cpu_flag_name = name;
608  for (i = 0; tests[i].func; i++) {
609  if (state.test_name && strcmp(tests[i].name, state.test_name))
610  continue;
611  state.current_test_name = tests[i].name;
612  tests[i].func();
613  }
614  }
615 }
616 
617 /* Print the name of the current CPU flag, but only do it once */
618 static void print_cpu_name(void)
619 {
620  if (state.cpu_flag_name) {
621  color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
622  state.cpu_flag_name = NULL;
623  }
624 }
625 
626 #if CONFIG_LINUX_PERF
627 static int bench_init_linux(void)
628 {
629  struct perf_event_attr attr = {
630  .type = PERF_TYPE_HARDWARE,
631  .size = sizeof(struct perf_event_attr),
632  .config = PERF_COUNT_HW_CPU_CYCLES,
633  .disabled = 1, // start counting only on demand
634  .exclude_kernel = 1,
635  .exclude_hv = 1,
636  };
637 
638  printf("benchmarking with Linux Perf Monitoring API\n");
639 
640  state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
641  if (state.sysfd == -1) {
642  perror("syscall");
643  return -1;
644  }
645  return 0;
646 }
647 #elif CONFIG_MACOS_KPERF
648 static int bench_init_kperf(void)
649 {
650  ff_kperf_init();
651  return 0;
652 }
653 #else
654 static int bench_init_ffmpeg(void)
655 {
656 #ifdef AV_READ_TIME
657  printf("benchmarking with native FFmpeg timers\n");
658  return 0;
659 #else
660  fprintf(stderr, "checkasm: --bench is not supported on your system\n");
661  return -1;
662 #endif
663 }
664 #endif
665 
666 static int bench_init(void)
667 {
668 #if CONFIG_LINUX_PERF
669  int ret = bench_init_linux();
670 #elif CONFIG_MACOS_KPERF
671  int ret = bench_init_kperf();
672 #else
673  int ret = bench_init_ffmpeg();
674 #endif
675  if (ret < 0)
676  return ret;
677 
678  state.nop_time = measure_nop_time();
679  printf("nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
680  return 0;
681 }
682 
683 static void bench_uninit(void)
684 {
685 #if CONFIG_LINUX_PERF
686  if (state.sysfd > 0)
687  close(state.sysfd);
688 #endif
689 }
690 
691 int main(int argc, char *argv[])
692 {
693  unsigned int seed = av_get_random_seed();
694  int i, ret = 0;
695 
696 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
698  checkasm_checked_call = checkasm_checked_call_vfp;
699 #endif
700 
701  if (!tests[0].func || !cpus[0].flag) {
702  fprintf(stderr, "checkasm: no tests to perform\n");
703  return 0;
704  }
705 
706  while (argc > 1) {
707  if (!strncmp(argv[1], "--bench", 7)) {
708  if (bench_init() < 0)
709  return 1;
710  if (argv[1][7] == '=') {
711  state.bench_pattern = argv[1] + 8;
712  state.bench_pattern_len = strlen(state.bench_pattern);
713  } else
714  state.bench_pattern = "";
715  } else if (!strncmp(argv[1], "--test=", 7)) {
716  state.test_name = argv[1] + 7;
717  } else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
718  state.verbose = 1;
719  } else {
720  seed = strtoul(argv[1], NULL, 10);
721  }
722 
723  argc--;
724  argv++;
725  }
726 
727  fprintf(stderr, "checkasm: using random seed %u\n", seed);
729 
730  check_cpu_flag(NULL, 0);
731  for (i = 0; cpus[i].flag; i++)
733 
734  if (state.num_failed) {
735  fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
736  ret = 1;
737  } else {
738  fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
739  if (state.bench_pattern) {
740  print_benchs(state.funcs);
741  }
742  }
743 
744  destroy_func_tree(state.funcs);
745  bench_uninit();
746  return ret;
747 }
748 
749 /* Decide whether or not the specified function needs to be tested and
750  * allocate/initialize data structures if needed. Returns a pointer to a
751  * reference function if the function should be tested, otherwise NULL */
752 void *checkasm_check_func(void *func, const char *name, ...)
753 {
754  char name_buf[256];
755  void *ref = func;
757  int name_length;
758  va_list arg;
759 
760  va_start(arg, name);
761  name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
762  va_end(arg);
763 
764  if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
765  return NULL;
766 
767  state.current_func = get_func(&state.funcs, name_buf);
768  state.funcs->color = 1;
769  v = &state.current_func->versions;
770 
771  if (v->func) {
772  CheckasmFuncVersion *prev;
773  do {
774  /* Only test functions that haven't already been tested */
775  if (v->func == func)
776  return NULL;
777 
778  if (v->ok)
779  ref = v->func;
780 
781  prev = v;
782  } while ((v = v->next));
783 
784  v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
785  }
786 
787  v->func = func;
788  v->ok = 1;
789  v->cpu = state.cpu_flag;
790  state.current_func_ver = v;
791 
792  if (state.cpu_flag)
793  state.num_checked++;
794 
795  return ref;
796 }
797 
798 /* Decide whether or not the current function needs to be benchmarked */
800 {
801  return !state.num_failed && state.bench_pattern &&
802  !strncmp(state.current_func->name, state.bench_pattern, state.bench_pattern_len);
803 }
804 
805 /* Indicate that the current test has failed */
806 void checkasm_fail_func(const char *msg, ...)
807 {
808  if (state.current_func_ver->cpu && state.current_func_ver->ok) {
809  va_list arg;
810 
811  print_cpu_name();
812  fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
813  va_start(arg, msg);
814  vfprintf(stderr, msg, arg);
815  va_end(arg);
816  fprintf(stderr, ")\n");
817 
818  state.current_func_ver->ok = 0;
819  state.num_failed++;
820  }
821 }
822 
823 /* Get the benchmark context of the current function */
825 {
826  CheckasmPerf *perf = &state.current_func_ver->perf;
827  memset(perf, 0, sizeof(*perf));
828  perf->sysfd = state.sysfd;
829  return perf;
830 }
831 
832 /* Print the outcome of all tests performed since the last time this function was called */
833 void checkasm_report(const char *name, ...)
834 {
835  static int prev_checked, prev_failed, max_length;
836 
837  if (state.num_checked > prev_checked) {
838  int pad_length = max_length + 4;
839  va_list arg;
840 
841  print_cpu_name();
842  pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
843  va_start(arg, name);
844  pad_length -= vfprintf(stderr, name, arg);
845  va_end(arg);
846  fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
847 
848  if (state.num_failed == prev_failed)
849  color_printf(COLOR_GREEN, "OK");
850  else
851  color_printf(COLOR_RED, "FAILED");
852  fprintf(stderr, "]\n");
853 
854  prev_checked = state.num_checked;
855  prev_failed = state.num_failed;
856  } else if (!state.cpu_flag) {
857  /* Calculate the amount of padding required to make the output vertically aligned */
858  int length = strlen(state.current_test_name);
859  va_list arg;
860 
861  va_start(arg, name);
862  length += vsnprintf(NULL, 0, name, arg);
863  va_end(arg);
864 
865  if (length > max_length)
866  max_length = length;
867  }
868 }
869 
870 #define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
871 int checkasm_check_##type(const char *const file, const int line, \
872  const type *buf1, ptrdiff_t stride1, \
873  const type *buf2, ptrdiff_t stride2, \
874  const int w, int h, const char *const name) \
875 { \
876  int y = 0; \
877  stride1 /= sizeof(*buf1); \
878  stride2 /= sizeof(*buf2); \
879  for (y = 0; y < h; y++) \
880  if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
881  break; \
882  if (y == h) \
883  return 0; \
884  checkasm_fail_func("%s:%d", file, line); \
885  if (!state.verbose) \
886  return 1; \
887  fprintf(stderr, "%s:\n", name); \
888  while (h--) { \
889  for (int x = 0; x < w; x++) \
890  fprintf(stderr, " " fmt, buf1[x]); \
891  fprintf(stderr, " "); \
892  for (int x = 0; x < w; x++) \
893  fprintf(stderr, " " fmt, buf2[x]); \
894  fprintf(stderr, " "); \
895  for (int x = 0; x < w; x++) \
896  fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
897  buf1 += stride1; \
898  buf2 += stride2; \
899  fprintf(stderr, "\n"); \
900  } \
901  return 1; \
902 }
903 
904 DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
905 DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
906 DEF_CHECKASM_CHECK_FUNC(int16_t, "%6d")
checkasm_check_nlmeans
void checkasm_check_nlmeans(void)
Definition: vf_nlmeans.c:31
AV_CPU_FLAG_VFP
#define AV_CPU_FLAG_VFP
Definition: cpu.h:67
checkasm_check_sw_gbrp
void checkasm_check_sw_gbrp(void)
Definition: sw_gbrp.c:401
bench_pattern_len
int bench_pattern_len
Definition: checkasm.c:281
av_force_cpu_flags
void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
Definition: cpu.c:73
checkasm_check_vp8dsp
void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:508
checkasm_check_blockdsp
void checkasm_check_blockdsp(void)
Definition: blockdsp.c:55
AV_CPU_FLAG_SSE3
#define AV_CPU_FLAG_SSE3
Prescott SSE3 functions.
Definition: cpu.h:38
destroy_func_tree
static void destroy_func_tree(CheckasmFunc *f)
Definition: checkasm.c:437
r
const char * r
Definition: vf_curves.c:116
checkasm_check_videodsp
void checkasm_check_videodsp(void)
Definition: videodsp.c:81
cmp_nop
static int cmp_nop(const void *a, const void *b)
Definition: checkasm.c:477
checkasm_check_vf_eq
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:76
COLOR_RED
#define COLOR_RED
Definition: checkasm.c:52
checkasm_lfg
AVLFG checkasm_lfg
Definition: checkasm.c:296
color
Definition: vf_paletteuse.c:600
av_lfg_init
av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
Definition: lfg.c:32
u
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:262
checkasm_check_alacdsp
void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
AV_CPU_FLAG_LSX
#define AV_CPU_FLAG_LSX
Definition: cpu.h:78
checkasm_check_v210dec
void checkasm_check_v210dec(void)
Definition: v210dec.c:47
float_near_abs_eps_array
int float_near_abs_eps_array(const float *a, const float *b, float eps, unsigned len)
Definition: checkasm.c:345
AV_CPU_FLAG_SSE3SLOW
#define AV_CPU_FLAG_SSE3SLOW
SSE3 supported, but usually not faster.
Definition: cpu.h:39
CheckasmFunc
Definition: checkasm.c:267
name
const char * name
Definition: checkasm.c:73
bench_pattern
const char * bench_pattern
Definition: checkasm.c:280
av_unused
#define av_unused
Definition: attributes.h:131
checkasm_check_hevc_idct
void checkasm_check_hevc_idct(void)
Definition: hevc_idct.c:87
checkasm_check_sw_scale
void checkasm_check_sw_scale(void)
Definition: sw_scale.c:244
CheckasmFunc::child
struct CheckasmFunc * child[2]
Definition: checkasm.c:268
checkasm_check_afir
void checkasm_check_afir(void)
Definition: af_afir.c:80
print_cpu_name
static void print_cpu_name(void)
Definition: checkasm.c:618
AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_3DNOW
AMD 3DNOW.
Definition: cpu.h:32
cpus
static const struct @327 cpus[]
av_intfloat32::i
uint32_t i
Definition: intfloat.h:28
float_near_abs_eps
int float_near_abs_eps(float a, float b, float eps)
Definition: checkasm.c:334
b
#define b
Definition: input.c:34
checkasm_check_aacpsdsp
void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
bench_uninit
static void bench_uninit(void)
Definition: checkasm.c:683
CheckasmFuncVersion::cpu
int cpu
Definition: checkasm.c:262
cpu_flag
int cpu_flag
Definition: checkasm.c:289
FFMAX
#define FFMAX(a, b)
Definition: macros.h:47
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:101
cpu_suffix
static const char * cpu_suffix(int cpu)
Definition: checkasm.c:466
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:220
checkasm_check_llviddspenc
void checkasm_check_llviddspenc(void)
Definition: llviddspenc.c:104
intfloat.h
checkasm_check_h264dsp
void checkasm_check_h264dsp(void)
Definition: h264dsp.c:443
tf_sess_config.config
config
Definition: tf_sess_config.py:33
color_printf
static void color_printf(int color, const char *fmt,...)
Definition: checkasm.c:394
av_get_random_seed
uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
main
int main(int argc, char *argv[])
Definition: checkasm.c:691
checkasm_check_motion
void checkasm_check_motion(void)
Definition: motion.c:148
AV_CPU_FLAG_SSSE3
#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition: cpu.h:41
double_near_abs_eps
int double_near_abs_eps(double a, double b, double eps)
Definition: checkasm.c:374
CheckasmPerf
Definition: checkasm.h:219
current_test_name
const char * current_test_name
Definition: checkasm.c:279
PERF_START
#define PERF_START(t)
Definition: checkasm.h:273
rotate_tree
static CheckasmFunc * rotate_tree(CheckasmFunc *f, int dir)
Definition: checkasm.c:541
dummy
int dummy
Definition: motion.c:65
AV_CPU_FLAG_XOP
#define AV_CPU_FLAG_XOP
Bulldozer XOP functions.
Definition: cpu.h:49
checkasm_check_vp9dsp
void checkasm_check_vp9dsp(void)
Definition: vp9dsp.c:626
checkasm.h
checkasm_check_vf_threshold
void checkasm_check_vf_threshold(void)
Definition: vf_threshold.c:79
checkasm_check_vf_gblur
void checkasm_check_vf_gblur(void)
Definition: vf_gblur.c:81
AV_CPU_FLAG_3DNOWEXT
#define AV_CPU_FLAG_3DNOWEXT
AMD 3DNowExt.
Definition: cpu.h:37
float_near_abs_eps_ulp
int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
Definition: checkasm.c:357
AV_CPU_FLAG_VSX
#define AV_CPU_FLAG_VSX
ISA 2.06.
Definition: cpu.h:61
fabsf
static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
num_failed
int num_failed
Definition: checkasm.c:283
checkasm_check_float_dsp
void checkasm_check_float_dsp(void)
Definition: float_dsp.c:282
AV_CPU_FLAG_AVX512
#define AV_CPU_FLAG_AVX512
AVX-512 functions: requires OS support even if YMM/ZMM registers aren't used.
Definition: cpu.h:56
bench_init
static int bench_init(void)
Definition: checkasm.c:666
checkasm_check_pixblockdsp
void checkasm_check_pixblockdsp(void)
Definition: pixblockdsp.c:82
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
Definition: sinewin_tablegen.c:29
CheckasmFuncVersion
Definition: checkasm.c:258
COLOR_YELLOW
#define COLOR_YELLOW
Definition: checkasm.c:54
nop_time
int nop_time
Definition: checkasm.c:286
CheckasmFuncVersion::perf
CheckasmPerf perf
Definition: checkasm.c:263
checkasm_report
void checkasm_report(const char *name,...)
Definition: checkasm.c:833
get_func
static CheckasmFunc * get_func(CheckasmFunc **root, const char *name)
Definition: checkasm.c:570
checkasm_fail_func
void checkasm_fail_func(const char *msg,...)
Definition: checkasm.c:806
checkasm_check_sw_rgb
void checkasm_check_sw_rgb(void)
Definition: sw_rgb.c:182
checkasm_check_hevc_sao
void checkasm_check_hevc_sao(void)
Definition: hevc_sao.c:143
num_checked
int num_checked
Definition: checkasm.c:282
AV_CPU_FLAG_ARMV6
#define AV_CPU_FLAG_ARMV6
Definition: cpu.h:65
AV_CPU_FLAG_SSE4
#define AV_CPU_FLAG_SSE4
Penryn SSE4.1 functions.
Definition: cpu.h:44
checkasm_check_hevc_pel
void checkasm_check_hevc_pel(void)
Definition: hevc_pel.c:534
cmp
static av_always_inline int cmp(MpegEncContext *s, const int x, const int y, const int subx, const int suby, const int size, const int h, int ref_index, int src_index, me_cmp_func cmp_func, me_cmp_func chroma_cmp_func, const int flags)
compares a block (either a full macroblock or a partition thereof) against a proposed motion-compensa...
Definition: motion_est.c:262
CheckasmPerf::iterations
int iterations
Definition: checkasm.h:222
CheckasmFuncVersion::ok
int ok
Definition: checkasm.c:261
arg
const char * arg
Definition: jacosubdec.c:67
func
void(* func)(void)
Definition: checkasm.c:74
fabs
static __device__ float fabs(float a)
Definition: cuda_runtime.h:182
NULL
#define NULL
Definition: coverity.c:32
measure_nop_time
static int measure_nop_time(void)
Definition: checkasm.c:483
double_near_abs_eps_array
int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:381
AV_CPU_FLAG_LASX
#define AV_CPU_FLAG_LASX
Definition: cpu.h:79
AV_CPU_FLAG_AVX512ICL
#define AV_CPU_FLAG_AVX512ICL
F/CD/BW/DQ/VL/VNNI/IFMA/VBMI/VBMI2/VPOPCNTDQ/BITALG/GFNI/VAES/VPCLMULQDQ.
Definition: cpu.h:57
checkasm_check_fmtconvert
void checkasm_check_fmtconvert(void)
Definition: fmtconvert.c:46
tests
static const struct @326 tests[]
AV_CPU_FLAG_MSA
#define AV_CPU_FLAG_MSA
Definition: cpu.h:75
COLOR_GREEN
#define COLOR_GREEN
Definition: checkasm.c:53
cpu.h
av_intfloat32
Definition: intfloat.h:27
AV_CPU_FLAG_CMOV
#define AV_CPU_FLAG_CMOV
supports cmov instruction
Definition: cpu.h:51
seed
static unsigned int seed
Definition: videogen.c:78
AV_CPU_FLAG_ALTIVEC
#define AV_CPU_FLAG_ALTIVEC
standard
Definition: cpu.h:60
print_benchs
static void print_benchs(CheckasmFunc *f)
Definition: checkasm.c:504
current_func
CheckasmFunc * current_func
Definition: checkasm.c:277
checkasm_check_vc1dsp
void checkasm_check_vc1dsp(void)
Definition: vc1dsp.c:441
state
static struct @328 state
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:34
CheckasmFunc::color
uint8_t color
Definition: checkasm.c:270
AVLFG
Context structure for the Lagged Fibonacci PRNG.
Definition: lfg.h:33
f
f
Definition: af_crystalizer.c:122
AV_CPU_FLAG_AVX
#define AV_CPU_FLAG_AVX
AVX functions: requires OS support even if YMM registers aren't used.
Definition: cpu.h:47
AV_CPU_FLAG_FMA4
#define AV_CPU_FLAG_FMA4
Bulldozer FMA4 functions.
Definition: cpu.h:50
cpu.h
AV_CPU_FLAG_AVX2
#define AV_CPU_FLAG_AVX2
AVX2 functions: requires OS support even if YMM registers aren't used.
Definition: cpu.h:52
checkasm_check_llviddsp
void checkasm_check_llviddsp(void)
Definition: llviddsp.c:195
AV_CPU_FLAG_SSE2SLOW
#define AV_CPU_FLAG_SSE2SLOW
SSE2 supported, but usually not faster.
Definition: cpu.h:35
AV_CPU_FLAG_NEON
#define AV_CPU_FLAG_NEON
Definition: cpu.h:69
size
int size
Definition: twinvq_data.h:10344
DEF_CHECKASM_CHECK_FUNC
#define DEF_CHECKASM_CHECK_FUNC(type, fmt)
Definition: checkasm.c:870
printf
printf("static const uint8_t my_array[100] = {\n")
sysfd
int sysfd
Definition: checkasm.c:287
have_neon
#define have_neon(flags)
Definition: cpu.h:26
CheckasmFuncVersion::func
void * func
Definition: checkasm.c:260
checkasm_check_h264pred
void checkasm_check_h264pred(void)
Definition: h264pred.c:233
av_isdigit
static av_const int av_isdigit(int c)
Locale-independent conversion of ASCII isdigit.
Definition: avstring.h:211
AV_CPU_FLAG_FMA3
#define AV_CPU_FLAG_FMA3
Haswell FMA3 functions.
Definition: cpu.h:53
a
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
Definition: undefined.txt:41
ff_kperf_init
void ff_kperf_init(void)
Definition: macos_kperf.c:99
checkasm_check_huffyuvdsp
void checkasm_check_huffyuvdsp(void)
Definition: huffyuvdsp.c:67
float_near_abs_eps_array_ulp
int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps, unsigned max_ulp, unsigned len)
Definition: checkasm.c:362
test_name
const char * test_name
Definition: checkasm.c:291
CheckasmPerf::cycles
uint64_t cycles
Definition: checkasm.h:221
checkasm_get_perf_context
CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:824
checkasm_check_fixed_dsp
void checkasm_check_fixed_dsp(void)
Definition: fixed_dsp.c:133
checkasm_check_colorspace
void checkasm_check_colorspace(void)
Definition: vf_colorspace.c:309
checkasm_check_utvideodsp
void checkasm_check_utvideodsp(void)
Definition: utvideodsp.c:91
is_negative
static int is_negative(union av_intfloat32 u)
Definition: checkasm.c:299
checkasm_check_audiodsp
void checkasm_check_audiodsp(void)
Definition: audiodsp.c:52
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
checkasm_check_flacdsp
void checkasm_check_flacdsp(void)
Definition: flacdsp.c:57
checkasm_check_func
void * checkasm_check_func(void *func, const char *name,...)
Definition: checkasm.c:752
AV_CPU_FLAG_SSE42
#define AV_CPU_FLAG_SSE42
Nehalem SSE4.2 functions.
Definition: cpu.h:45
checkasm_check_idctdsp
void checkasm_check_idctdsp(void)
Definition: idctdsp.c:94
CheckasmFuncVersion::next
struct CheckasmFuncVersion * next
Definition: checkasm.c:259
vsnprintf
#define vsnprintf
Definition: snprintf.h:36
common.h
use_color
static int use_color
Definition: log.c:123
checkasm_check_synth_filter
void checkasm_check_synth_filter(void)
Definition: synth_filter.c:46
cmp_func_names
static int cmp_func_names(const char *a, const char *b)
Definition: checkasm.c:526
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:70
len
int len
Definition: vorbis_enc_data.h:426
checkasm_check_g722dsp
void checkasm_check_g722dsp(void)
Definition: g722dsp.c:53
PERF_STOP
#define PERF_STOP(t)
Definition: checkasm.h:274
is_red
#define is_red(f)
Definition: checkasm.c:551
AV_CPU_FLAG_ATOM
#define AV_CPU_FLAG_ATOM
Atom processor, some SSSE3 instructions are slower.
Definition: cpu.h:43
have_vfp
#define have_vfp(flags)
Definition: cpu.h:27
checkasm_check_vf_hflip
void checkasm_check_vf_hflip(void)
Definition: vf_hflip.c:72
ret
ret
Definition: filter_design.txt:187
checkasm_check_blend
void checkasm_check_blend(void)
Definition: vf_blend.c:88
verbose
int verbose
Definition: checkasm.c:292
AV_CPU_FLAG_VFPV3
#define AV_CPU_FLAG_VFPV3
Definition: cpu.h:68
checkasm_check_bswapdsp
void checkasm_check_bswapdsp(void)
Definition: bswapdsp.c:60
AV_CPU_FLAG_ARMV5TE
#define AV_CPU_FLAG_ARMV5TE
Definition: cpu.h:64
AV_CPU_FLAG_MMX
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:29
suffix
const char * suffix
Definition: checkasm.c:211
checkasm_malloc
static void * checkasm_malloc(size_t size)
Definition: checkasm.c:454
checkasm_check_h264qpel
void checkasm_check_h264qpel(void)
Definition: h264qpel.c:51
random_seed.h
AV_CPU_FLAG_AESNI
#define AV_CPU_FLAG_AESNI
Advanced Encryption Standard functions.
Definition: cpu.h:46
checkasm_bench_func
int checkasm_bench_func(void)
Definition: checkasm.c:799
AV_CPU_FLAG_POWER8
#define AV_CPU_FLAG_POWER8
ISA 2.07.
Definition: cpu.h:62
cpu_flag_name
const char * cpu_flag_name
Definition: checkasm.c:290
AV_CPU_FLAG_SSE
#define AV_CPU_FLAG_SSE
SSE functions.
Definition: cpu.h:33
ref
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:112
float_near_ulp_array
int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp, unsigned len)
Definition: checkasm.c:322
AV_CPU_FLAG_MMXEXT
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:30
checkasm_check_av_tx
void checkasm_check_av_tx(void)
Definition: av_tx.c:100
av_intfloat32::f
float f
Definition: intfloat.h:29
flag
int flag
Definition: checkasm.c:212
checkasm_check_v210enc
void checkasm_check_v210enc(void)
Definition: v210enc.c:82
checkasm_check_sbrdsp
void checkasm_check_sbrdsp(void)
Definition: sbrdsp.c:254
AV_CPU_FLAG_VFP_VM
#define AV_CPU_FLAG_VFP_VM
VFPv2 vector mode, deprecated in ARMv7-A and unavailable in various CPUs implementations.
Definition: cpu.h:71
AV_CPU_FLAG_MMI
#define AV_CPU_FLAG_MMI
Definition: cpu.h:74
checkasm_check_jpeg2000dsp
void checkasm_check_jpeg2000dsp(void)
Definition: jpeg2000dsp.c:92
d
d
Definition: ffmpeg_filter.c:155
checkasm_check_hevc_add_res
void checkasm_check_hevc_add_res(void)
Definition: hevc_add_res.c:86
int32_t
int32_t
Definition: audioconvert.c:56
float_near_ulp
int float_near_ulp(float a, float b, unsigned max_ulp)
Definition: checkasm.c:304
current_func_ver
CheckasmFuncVersion * current_func_ver
Definition: checkasm.c:278
check_cpu_flag
static void check_cpu_flag(const char *name, int flag)
Definition: checkasm.c:595
bench_init_ffmpeg
static int bench_init_ffmpeg(void)
Definition: checkasm.c:654
CheckasmFunc::versions
CheckasmFuncVersion versions
Definition: checkasm.c:269
isatty
#define isatty(fd)
Definition: checkasm.c:62
CheckasmFunc::name
char name[1]
Definition: checkasm.c:271
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
balance_tree
static void balance_tree(CheckasmFunc **root)
Definition: checkasm.c:554
AV_CPU_FLAG_ARMV6T2
#define AV_CPU_FLAG_ARMV6T2
Definition: cpu.h:66
funcs
CheckasmFunc * funcs
Definition: checkasm.c:276
checkasm_check_opusdsp
void checkasm_check_opusdsp(void)
Definition: opusdsp.c:85