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 
25 #if CONFIG_LINUX_PERF
26 # ifndef _GNU_SOURCE
27 # define _GNU_SOURCE // for syscall (performance monitoring API)
28 # endif
29 #endif
30 
31 #include <stdarg.h>
32 #include <stdio.h>
33 #include <stdlib.h>
34 #include <string.h>
35 #include "checkasm.h"
36 #include "libavutil/common.h"
37 #include "libavutil/cpu.h"
38 #include "libavutil/intfloat.h"
39 #include "libavutil/random_seed.h"
40 
41 #if HAVE_IO_H
42 #include <io.h>
43 #endif
44 
45 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
46 #include <windows.h>
47 #define COLOR_RED FOREGROUND_RED
48 #define COLOR_GREEN FOREGROUND_GREEN
49 #define COLOR_YELLOW (FOREGROUND_RED|FOREGROUND_GREEN)
50 #else
51 #define COLOR_RED 1
52 #define COLOR_GREEN 2
53 #define COLOR_YELLOW 3
54 #endif
55 
56 #if HAVE_UNISTD_H
57 #include <unistd.h>
58 #endif
59 
60 #if !HAVE_ISATTY
61 #define isatty(fd) 1
62 #endif
63 
64 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
65 #include "libavutil/arm/cpu.h"
66 
67 void (*checkasm_checked_call)(void *func, int dummy, ...) = checkasm_checked_call_novfp;
68 #endif
69 
70 /* List of tests to invoke */
71 static const struct {
72  const char *name;
73  void (*func)(void);
74 } tests[] = {
75 #if CONFIG_AVCODEC
76  #if CONFIG_AAC_DECODER
77  { "aacpsdsp", checkasm_check_aacpsdsp },
78  { "sbrdsp", checkasm_check_sbrdsp },
79  #endif
80  #if CONFIG_ALAC_DECODER
81  { "alacdsp", checkasm_check_alacdsp },
82  #endif
83  #if CONFIG_AUDIODSP
84  { "audiodsp", checkasm_check_audiodsp },
85  #endif
86  #if CONFIG_BLOCKDSP
87  { "blockdsp", checkasm_check_blockdsp },
88  #endif
89  #if CONFIG_BSWAPDSP
90  { "bswapdsp", checkasm_check_bswapdsp },
91  #endif
92  #if CONFIG_DCA_DECODER
93  { "synth_filter", checkasm_check_synth_filter },
94  #endif
95  #if CONFIG_EXR_DECODER
96  { "exrdsp", checkasm_check_exrdsp },
97  #endif
98  #if CONFIG_FLACDSP
99  { "flacdsp", checkasm_check_flacdsp },
100  #endif
101  #if CONFIG_FMTCONVERT
102  { "fmtconvert", checkasm_check_fmtconvert },
103  #endif
104  #if CONFIG_G722DSP
105  { "g722dsp", checkasm_check_g722dsp },
106  #endif
107  #if CONFIG_H264DSP
108  { "h264dsp", checkasm_check_h264dsp },
109  #endif
110  #if CONFIG_H264PRED
111  { "h264pred", checkasm_check_h264pred },
112  #endif
113  #if CONFIG_H264QPEL
114  { "h264qpel", checkasm_check_h264qpel },
115  #endif
116  #if CONFIG_HEVC_DECODER
117  { "hevc_add_res", checkasm_check_hevc_add_res },
118  { "hevc_idct", checkasm_check_hevc_idct },
119  { "hevc_pel", checkasm_check_hevc_pel },
120  { "hevc_sao", checkasm_check_hevc_sao },
121  #endif
122  #if CONFIG_HUFFYUV_DECODER
123  { "huffyuvdsp", checkasm_check_huffyuvdsp },
124  #endif
125  #if CONFIG_JPEG2000_DECODER
126  { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
127  #endif
128  #if CONFIG_HUFFYUVDSP
129  { "llviddsp", checkasm_check_llviddsp },
130  #endif
131  #if CONFIG_LLVIDENCDSP
132  { "llviddspenc", checkasm_check_llviddspenc },
133  #endif
134  #if CONFIG_OPUS_DECODER
135  { "opusdsp", checkasm_check_opusdsp },
136  #endif
137  #if CONFIG_PIXBLOCKDSP
138  { "pixblockdsp", checkasm_check_pixblockdsp },
139  #endif
140  #if CONFIG_UTVIDEO_DECODER
141  { "utvideodsp", checkasm_check_utvideodsp },
142  #endif
143  #if CONFIG_V210_DECODER
144  { "v210dec", checkasm_check_v210dec },
145  #endif
146  #if CONFIG_V210_ENCODER
147  { "v210enc", checkasm_check_v210enc },
148  #endif
149  #if CONFIG_VP8DSP
150  { "vp8dsp", checkasm_check_vp8dsp },
151  #endif
152  #if CONFIG_VP9_DECODER
153  { "vp9dsp", checkasm_check_vp9dsp },
154  #endif
155  #if CONFIG_VIDEODSP
156  { "videodsp", checkasm_check_videodsp },
157  #endif
158 #endif
159 #if CONFIG_AVFILTER
160  #if CONFIG_AFIR_FILTER
161  { "af_afir", checkasm_check_afir },
162  #endif
163  #if CONFIG_BLEND_FILTER
164  { "vf_blend", checkasm_check_blend },
165  #endif
166  #if CONFIG_COLORSPACE_FILTER
167  { "vf_colorspace", checkasm_check_colorspace },
168  #endif
169  #if CONFIG_EQ_FILTER
170  { "vf_eq", checkasm_check_vf_eq },
171  #endif
172  #if CONFIG_GBLUR_FILTER
173  { "vf_gblur", checkasm_check_vf_gblur },
174  #endif
175  #if CONFIG_HFLIP_FILTER
176  { "vf_hflip", checkasm_check_vf_hflip },
177  #endif
178  #if CONFIG_NLMEANS_FILTER
179  { "vf_nlmeans", checkasm_check_nlmeans },
180  #endif
181  #if CONFIG_THRESHOLD_FILTER
182  { "vf_threshold", checkasm_check_vf_threshold },
183  #endif
184 #endif
185 #if CONFIG_SWSCALE
186  { "sw_rgb", checkasm_check_sw_rgb },
187  { "sw_scale", checkasm_check_sw_scale },
188 #endif
189 #if CONFIG_AVUTIL
190  { "fixed_dsp", checkasm_check_fixed_dsp },
191  { "float_dsp", checkasm_check_float_dsp },
192  { "av_tx", checkasm_check_av_tx },
193 #endif
194  { NULL }
195 };
196 
197 /* List of cpu flags to check */
198 static const struct {
199  const char *name;
200  const char *suffix;
201  int flag;
202 } cpus[] = {
203 #if ARCH_AARCH64
204  { "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
205  { "NEON", "neon", AV_CPU_FLAG_NEON },
206 #elif ARCH_ARM
207  { "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
208  { "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
209  { "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
210  { "VFP", "vfp", AV_CPU_FLAG_VFP },
211  { "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
212  { "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
213  { "NEON", "neon", AV_CPU_FLAG_NEON },
214 #elif ARCH_PPC
215  { "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
216  { "VSX", "vsx", AV_CPU_FLAG_VSX },
217  { "POWER8", "power8", AV_CPU_FLAG_POWER8 },
218 #elif ARCH_MIPS
219  { "MMI", "mmi", AV_CPU_FLAG_MMI },
220  { "MSA", "msa", AV_CPU_FLAG_MSA },
221 #elif ARCH_X86
222  { "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
223  { "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
224  { "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
225  { "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
226  { "SSE", "sse", AV_CPU_FLAG_SSE },
227  { "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
228  { "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
229  { "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
230  { "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
231  { "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
232  { "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
233  { "AVX", "avx", AV_CPU_FLAG_AVX },
234  { "XOP", "xop", AV_CPU_FLAG_XOP },
235  { "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
236  { "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
237  { "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
238  { "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
239 #endif
240  { NULL }
241 };
242 
243 typedef struct CheckasmFuncVersion {
245  void *func;
246  int ok;
247  int cpu;
250 
251 /* Binary search tree node */
252 typedef struct CheckasmFunc {
253  struct CheckasmFunc *child[2];
255  uint8_t color; /* 0 = red, 1 = black */
256  char name[1];
257 } CheckasmFunc;
258 
259 /* Internal state */
260 static struct {
264  const char *current_test_name;
265  const char *bench_pattern;
269 
270  /* perf */
271  int nop_time;
272  int sysfd;
273 
274  int cpu_flag;
275  const char *cpu_flag_name;
276  const char *test_name;
277  int verbose;
278 } state;
279 
280 /* PRNG state */
282 
283 /* float compare support code */
284 static int is_negative(union av_intfloat32 u)
285 {
286  return u.i >> 31;
287 }
288 
289 int float_near_ulp(float a, float b, unsigned max_ulp)
290 {
291  union av_intfloat32 x, y;
292 
293  x.f = a;
294  y.f = b;
295 
296  if (is_negative(x) != is_negative(y)) {
297  // handle -0.0 == +0.0
298  return a == b;
299  }
300 
301  if (llabs((int64_t)x.i - y.i) <= max_ulp)
302  return 1;
303 
304  return 0;
305 }
306 
307 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
308  unsigned len)
309 {
310  unsigned i;
311 
312  for (i = 0; i < len; i++) {
313  if (!float_near_ulp(a[i], b[i], max_ulp))
314  return 0;
315  }
316  return 1;
317 }
318 
319 int float_near_abs_eps(float a, float b, float eps)
320 {
321  float abs_diff = fabsf(a - b);
322  if (abs_diff < eps)
323  return 1;
324 
325  fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
326 
327  return 0;
328 }
329 
330 int float_near_abs_eps_array(const float *a, const float *b, float eps,
331  unsigned len)
332 {
333  unsigned i;
334 
335  for (i = 0; i < len; i++) {
336  if (!float_near_abs_eps(a[i], b[i], eps))
337  return 0;
338  }
339  return 1;
340 }
341 
342 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
343 {
344  return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
345 }
346 
347 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
348  unsigned max_ulp, unsigned len)
349 {
350  unsigned i;
351 
352  for (i = 0; i < len; i++) {
353  if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
354  return 0;
355  }
356  return 1;
357 }
358 
359 int double_near_abs_eps(double a, double b, double eps)
360 {
361  double abs_diff = fabs(a - b);
362 
363  return abs_diff < eps;
364 }
365 
366 int double_near_abs_eps_array(const double *a, const double *b, double eps,
367  unsigned len)
368 {
369  unsigned i;
370 
371  for (i = 0; i < len; i++) {
372  if (!double_near_abs_eps(a[i], b[i], eps))
373  return 0;
374  }
375  return 1;
376 }
377 
378 /* Print colored text to stderr if the terminal supports it */
379 static void color_printf(int color, const char *fmt, ...)
380 {
381  static int use_color = -1;
382  va_list arg;
383 
384 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
385  static HANDLE con;
386  static WORD org_attributes;
387 
388  if (use_color < 0) {
389  CONSOLE_SCREEN_BUFFER_INFO con_info;
390  con = GetStdHandle(STD_ERROR_HANDLE);
391  if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
392  org_attributes = con_info.wAttributes;
393  use_color = 1;
394  } else
395  use_color = 0;
396  }
397  if (use_color)
398  SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
399 #else
400  if (use_color < 0) {
401  const char *term = getenv("TERM");
402  use_color = term && strcmp(term, "dumb") && isatty(2);
403  }
404  if (use_color)
405  fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
406 #endif
407 
408  va_start(arg, fmt);
409  vfprintf(stderr, fmt, arg);
410  va_end(arg);
411 
412  if (use_color) {
413 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
414  SetConsoleTextAttribute(con, org_attributes);
415 #else
416  fprintf(stderr, "\x1b[0m");
417 #endif
418  }
419 }
420 
421 /* Deallocate a tree */
423 {
424  if (f) {
425  CheckasmFuncVersion *v = f->versions.next;
426  while (v) {
427  CheckasmFuncVersion *next = v->next;
428  free(v);
429  v = next;
430  }
431 
432  destroy_func_tree(f->child[0]);
433  destroy_func_tree(f->child[1]);
434  free(f);
435  }
436 }
437 
438 /* Allocate a zero-initialized block, clean up and exit on failure */
439 static void *checkasm_malloc(size_t size)
440 {
441  void *ptr = calloc(1, size);
442  if (!ptr) {
443  fprintf(stderr, "checkasm: malloc failed\n");
444  destroy_func_tree(state.funcs);
445  exit(1);
446  }
447  return ptr;
448 }
449 
450 /* Get the suffix of the specified cpu flag */
451 static const char *cpu_suffix(int cpu)
452 {
453  int i = FF_ARRAY_ELEMS(cpus);
454 
455  while (--i >= 0)
456  if (cpu & cpus[i].flag)
457  return cpus[i].suffix;
458 
459  return "c";
460 }
461 
462 static int cmp_nop(const void *a, const void *b)
463 {
464  return *(const uint16_t*)a - *(const uint16_t*)b;
465 }
466 
467 /* Measure the overhead of the timing code (in decicycles) */
468 static int measure_nop_time(void)
469 {
470  uint16_t nops[10000];
471  int i, nop_sum = 0;
472  av_unused const int sysfd = state.sysfd;
473 
474  uint64_t t = 0;
475  for (i = 0; i < 10000; i++) {
476  PERF_START(t);
477  PERF_STOP(t);
478  nops[i] = t;
479  }
480 
481  qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
482  for (i = 2500; i < 7500; i++)
483  nop_sum += nops[i];
484 
485  return nop_sum / 500;
486 }
487 
488 /* Print benchmark results */
490 {
491  if (f) {
492  print_benchs(f->child[0]);
493 
494  /* Only print functions with at least one assembly version */
495  if (f->versions.cpu || f->versions.next) {
496  CheckasmFuncVersion *v = &f->versions;
497  do {
498  CheckasmPerf *p = &v->perf;
499  if (p->iterations) {
500  int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
501  printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
502  }
503  } while ((v = v->next));
504  }
505 
506  print_benchs(f->child[1]);
507  }
508 }
509 
510 /* ASCIIbetical sort except preserving natural order for numbers */
511 static int cmp_func_names(const char *a, const char *b)
512 {
513  const char *start = a;
514  int ascii_diff, digit_diff;
515 
516  for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
517  for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
518 
519  if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
520  return digit_diff;
521 
522  return ascii_diff;
523 }
524 
525 /* Perform a tree rotation in the specified direction and return the new root */
527 {
528  CheckasmFunc *r = f->child[dir^1];
529  f->child[dir^1] = r->child[dir];
530  r->child[dir] = f;
531  r->color = f->color;
532  f->color = 0;
533  return r;
534 }
535 
536 #define is_red(f) ((f) && !(f)->color)
537 
538 /* Balance a left-leaning red-black tree at the specified node */
539 static void balance_tree(CheckasmFunc **root)
540 {
541  CheckasmFunc *f = *root;
542 
543  if (is_red(f->child[0]) && is_red(f->child[1])) {
544  f->color ^= 1;
545  f->child[0]->color = f->child[1]->color = 1;
546  }
547 
548  if (!is_red(f->child[0]) && is_red(f->child[1]))
549  *root = rotate_tree(f, 0); /* Rotate left */
550  else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
551  *root = rotate_tree(f, 1); /* Rotate right */
552 }
553 
554 /* Get a node with the specified name, creating it if it doesn't exist */
555 static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
556 {
557  CheckasmFunc *f = *root;
558 
559  if (f) {
560  /* Search the tree for a matching node */
561  int cmp = cmp_func_names(name, f->name);
562  if (cmp) {
563  f = get_func(&f->child[cmp > 0], name);
564 
565  /* Rebalance the tree on the way up if a new node was inserted */
566  if (!f->versions.func)
567  balance_tree(root);
568  }
569  } else {
570  /* Allocate and insert a new node into the tree */
571  int name_length = strlen(name);
572  f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
573  memcpy(f->name, name, name_length + 1);
574  }
575 
576  return f;
577 }
578 
579 /* Perform tests and benchmarks for the specified cpu flag if supported by the host */
580 static void check_cpu_flag(const char *name, int flag)
581 {
582  int old_cpu_flag = state.cpu_flag;
583 
584  flag |= old_cpu_flag;
585  av_force_cpu_flags(-1);
586  state.cpu_flag = flag & av_get_cpu_flags();
587  av_force_cpu_flags(state.cpu_flag);
588 
589  if (!flag || state.cpu_flag != old_cpu_flag) {
590  int i;
591 
592  state.cpu_flag_name = name;
593  for (i = 0; tests[i].func; i++) {
594  if (state.test_name && strcmp(tests[i].name, state.test_name))
595  continue;
596  state.current_test_name = tests[i].name;
597  tests[i].func();
598  }
599  }
600 }
601 
602 /* Print the name of the current CPU flag, but only do it once */
603 static void print_cpu_name(void)
604 {
605  if (state.cpu_flag_name) {
606  color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
607  state.cpu_flag_name = NULL;
608  }
609 }
610 
611 #if CONFIG_LINUX_PERF
612 static int bench_init_linux(void)
613 {
614  struct perf_event_attr attr = {
615  .type = PERF_TYPE_HARDWARE,
616  .size = sizeof(struct perf_event_attr),
617  .config = PERF_COUNT_HW_CPU_CYCLES,
618  .disabled = 1, // start counting only on demand
619  .exclude_kernel = 1,
620  .exclude_hv = 1,
621  };
622 
623  printf("benchmarking with Linux Perf Monitoring API\n");
624 
625  state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
626  if (state.sysfd == -1) {
627  perror("syscall");
628  return -1;
629  }
630  return 0;
631 }
632 #elif CONFIG_MACOS_KPERF
633 static int bench_init_kperf(void)
634 {
635  ff_kperf_init();
636  return 0;
637 }
638 #else
639 static int bench_init_ffmpeg(void)
640 {
641 #ifdef AV_READ_TIME
642  printf("benchmarking with native FFmpeg timers\n");
643  return 0;
644 #else
645  fprintf(stderr, "checkasm: --bench is not supported on your system\n");
646  return -1;
647 #endif
648 }
649 #endif
650 
651 static int bench_init(void)
652 {
653 #if CONFIG_LINUX_PERF
654  int ret = bench_init_linux();
655 #elif CONFIG_MACOS_KPERF
656  int ret = bench_init_kperf();
657 #else
658  int ret = bench_init_ffmpeg();
659 #endif
660  if (ret < 0)
661  return ret;
662 
663  state.nop_time = measure_nop_time();
664  printf("nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
665  return 0;
666 }
667 
668 static void bench_uninit(void)
669 {
670 #if CONFIG_LINUX_PERF
671  if (state.sysfd > 0)
672  close(state.sysfd);
673 #endif
674 }
675 
676 int main(int argc, char *argv[])
677 {
678  unsigned int seed = av_get_random_seed();
679  int i, ret = 0;
680 
681 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
683  checkasm_checked_call = checkasm_checked_call_vfp;
684 #endif
685 
686  if (!tests[0].func || !cpus[0].flag) {
687  fprintf(stderr, "checkasm: no tests to perform\n");
688  return 0;
689  }
690 
691  while (argc > 1) {
692  if (!strncmp(argv[1], "--bench", 7)) {
693  if (bench_init() < 0)
694  return 1;
695  if (argv[1][7] == '=') {
696  state.bench_pattern = argv[1] + 8;
697  state.bench_pattern_len = strlen(state.bench_pattern);
698  } else
699  state.bench_pattern = "";
700  } else if (!strncmp(argv[1], "--test=", 7)) {
701  state.test_name = argv[1] + 7;
702  } else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
703  state.verbose = 1;
704  } else {
705  seed = strtoul(argv[1], NULL, 10);
706  }
707 
708  argc--;
709  argv++;
710  }
711 
712  fprintf(stderr, "checkasm: using random seed %u\n", seed);
714 
715  check_cpu_flag(NULL, 0);
716  for (i = 0; cpus[i].flag; i++)
718 
719  if (state.num_failed) {
720  fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
721  ret = 1;
722  } else {
723  fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
724  if (state.bench_pattern) {
725  print_benchs(state.funcs);
726  }
727  }
728 
729  destroy_func_tree(state.funcs);
730  bench_uninit();
731  return ret;
732 }
733 
734 /* Decide whether or not the specified function needs to be tested and
735  * allocate/initialize data structures if needed. Returns a pointer to a
736  * reference function if the function should be tested, otherwise NULL */
737 void *checkasm_check_func(void *func, const char *name, ...)
738 {
739  char name_buf[256];
740  void *ref = func;
742  int name_length;
743  va_list arg;
744 
745  va_start(arg, name);
746  name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
747  va_end(arg);
748 
749  if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
750  return NULL;
751 
752  state.current_func = get_func(&state.funcs, name_buf);
753  state.funcs->color = 1;
754  v = &state.current_func->versions;
755 
756  if (v->func) {
757  CheckasmFuncVersion *prev;
758  do {
759  /* Only test functions that haven't already been tested */
760  if (v->func == func)
761  return NULL;
762 
763  if (v->ok)
764  ref = v->func;
765 
766  prev = v;
767  } while ((v = v->next));
768 
769  v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
770  }
771 
772  v->func = func;
773  v->ok = 1;
774  v->cpu = state.cpu_flag;
775  state.current_func_ver = v;
776 
777  if (state.cpu_flag)
778  state.num_checked++;
779 
780  return ref;
781 }
782 
783 /* Decide whether or not the current function needs to be benchmarked */
785 {
786  return !state.num_failed && state.bench_pattern &&
787  !strncmp(state.current_func->name, state.bench_pattern, state.bench_pattern_len);
788 }
789 
790 /* Indicate that the current test has failed */
791 void checkasm_fail_func(const char *msg, ...)
792 {
793  if (state.current_func_ver->cpu && state.current_func_ver->ok) {
794  va_list arg;
795 
796  print_cpu_name();
797  fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
798  va_start(arg, msg);
799  vfprintf(stderr, msg, arg);
800  va_end(arg);
801  fprintf(stderr, ")\n");
802 
803  state.current_func_ver->ok = 0;
804  state.num_failed++;
805  }
806 }
807 
808 /* Get the benchmark context of the current function */
810 {
811  CheckasmPerf *perf = &state.current_func_ver->perf;
812  memset(perf, 0, sizeof(*perf));
813  perf->sysfd = state.sysfd;
814  return perf;
815 }
816 
817 /* Print the outcome of all tests performed since the last time this function was called */
818 void checkasm_report(const char *name, ...)
819 {
820  static int prev_checked, prev_failed, max_length;
821 
822  if (state.num_checked > prev_checked) {
823  int pad_length = max_length + 4;
824  va_list arg;
825 
826  print_cpu_name();
827  pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
828  va_start(arg, name);
829  pad_length -= vfprintf(stderr, name, arg);
830  va_end(arg);
831  fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
832 
833  if (state.num_failed == prev_failed)
834  color_printf(COLOR_GREEN, "OK");
835  else
836  color_printf(COLOR_RED, "FAILED");
837  fprintf(stderr, "]\n");
838 
839  prev_checked = state.num_checked;
840  prev_failed = state.num_failed;
841  } else if (!state.cpu_flag) {
842  /* Calculate the amount of padding required to make the output vertically aligned */
843  int length = strlen(state.current_test_name);
844  va_list arg;
845 
846  va_start(arg, name);
847  length += vsnprintf(NULL, 0, name, arg);
848  va_end(arg);
849 
850  if (length > max_length)
851  max_length = length;
852  }
853 }
854 
855 #define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
856 int checkasm_check_##type(const char *const file, const int line, \
857  const type *buf1, ptrdiff_t stride1, \
858  const type *buf2, ptrdiff_t stride2, \
859  const int w, int h, const char *const name) \
860 { \
861  int y = 0; \
862  stride1 /= sizeof(*buf1); \
863  stride2 /= sizeof(*buf2); \
864  for (y = 0; y < h; y++) \
865  if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
866  break; \
867  if (y == h) \
868  return 0; \
869  checkasm_fail_func("%s:%d", file, line); \
870  if (!state.verbose) \
871  return 1; \
872  fprintf(stderr, "%s:\n", name); \
873  while (h--) { \
874  for (int x = 0; x < w; x++) \
875  fprintf(stderr, " " fmt, buf1[x]); \
876  fprintf(stderr, " "); \
877  for (int x = 0; x < w; x++) \
878  fprintf(stderr, " " fmt, buf2[x]); \
879  fprintf(stderr, " "); \
880  for (int x = 0; x < w; x++) \
881  fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
882  buf1 += stride1; \
883  buf2 += stride2; \
884  fprintf(stderr, "\n"); \
885  } \
886  return 1; \
887 }
888 
889 DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
890 DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
891 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:65
bench_pattern_len
int bench_pattern_len
Definition: checkasm.c:266
av_force_cpu_flags
void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
Definition: cpu.c:68
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:422
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:462
checkasm_check_vf_eq
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:76
COLOR_RED
#define COLOR_RED
Definition: checkasm.c:51
checkasm_lfg
AVLFG checkasm_lfg
Definition: checkasm.c:281
color
Definition: vf_paletteuse.c:587
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:264
checkasm_check_alacdsp
void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
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:330
AV_CPU_FLAG_SSE3SLOW
#define AV_CPU_FLAG_SSE3SLOW
SSE3 supported, but usually not faster.
Definition: cpu.h:39
CheckasmFunc
Definition: checkasm.c:252
name
const char * name
Definition: checkasm.c:72
bench_pattern
const char * bench_pattern
Definition: checkasm.c:265
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:229
CheckasmFunc::child
struct CheckasmFunc * child[2]
Definition: checkasm.c:253
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:603
AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_3DNOW
AMD 3DNOW.
Definition: cpu.h:32
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:319
b
#define b
Definition: input.c:40
checkasm_check_aacpsdsp
void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
bench_uninit
static void bench_uninit(void)
Definition: checkasm.c:668
CheckasmFuncVersion::cpu
int cpu
Definition: checkasm.c:247
cpu_flag
int cpu_flag
Definition: checkasm.c:274
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:96
cpu_suffix
static const char * cpu_suffix(int cpu)
Definition: checkasm.c:451
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:216
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:442
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:379
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:676
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:359
CheckasmPerf
Definition: checkasm.h:215
current_test_name
const char * current_test_name
Definition: checkasm.c:264
PERF_START
#define PERF_START(t)
Definition: checkasm.h:269
rotate_tree
static CheckasmFunc * rotate_tree(CheckasmFunc *f, int dir)
Definition: checkasm.c:526
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:342
AV_CPU_FLAG_VSX
#define AV_CPU_FLAG_VSX
ISA 2.06.
Definition: cpu.h:59
fabsf
static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
num_failed
int num_failed
Definition: checkasm.c:268
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:651
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:243
COLOR_YELLOW
#define COLOR_YELLOW
Definition: checkasm.c:53
nop_time
int nop_time
Definition: checkasm.c:271
CheckasmFuncVersion::perf
CheckasmPerf perf
Definition: checkasm.c:248
checkasm_report
void checkasm_report(const char *name,...)
Definition: checkasm.c:818
get_func
static CheckasmFunc * get_func(CheckasmFunc **root, const char *name)
Definition: checkasm.c:555
checkasm_fail_func
void checkasm_fail_func(const char *msg,...)
Definition: checkasm.c:791
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:132
num_checked
int num_checked
Definition: checkasm.c:267
AV_CPU_FLAG_ARMV6
#define AV_CPU_FLAG_ARMV6
Definition: cpu.h:63
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:526
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:260
f
#define f(width, name)
Definition: cbs_vp9.c:255
CheckasmPerf::iterations
int iterations
Definition: checkasm.h:218
CheckasmFuncVersion::ok
int ok
Definition: checkasm.c:246
arg
const char * arg
Definition: jacosubdec.c:67
func
void(* func)(void)
Definition: checkasm.c:73
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:468
double_near_abs_eps_array
int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:366
checkasm_check_fmtconvert
void checkasm_check_fmtconvert(void)
Definition: fmtconvert.c:46
state
static struct @317 state
AV_CPU_FLAG_MSA
#define AV_CPU_FLAG_MSA
Definition: cpu.h:73
COLOR_GREEN
#define COLOR_GREEN
Definition: checkasm.c:52
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:58
print_benchs
static void print_benchs(CheckasmFunc *f)
Definition: checkasm.c:489
current_func
CheckasmFunc * current_func
Definition: checkasm.c:262
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:34
CheckasmFunc::color
uint8_t color
Definition: checkasm.c:255
AVLFG
Context structure for the Lagged Fibonacci PRNG.
Definition: lfg.h:33
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:67
size
int size
Definition: twinvq_data.h:10344
DEF_CHECKASM_CHECK_FUNC
#define DEF_CHECKASM_CHECK_FUNC(type, fmt)
Definition: checkasm.c:855
printf
printf("static const uint8_t my_array[100] = {\n")
sysfd
int sysfd
Definition: checkasm.c:272
have_neon
#define have_neon(flags)
Definition: cpu.h:26
CheckasmFuncVersion::func
void * func
Definition: checkasm.c:245
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:347
test_name
const char * test_name
Definition: checkasm.c:276
CheckasmPerf::cycles
uint64_t cycles
Definition: checkasm.h:217
checkasm_get_perf_context
CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:809
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:284
checkasm_check_audiodsp
void checkasm_check_audiodsp(void)
Definition: audiodsp.c:52
i
int i
Definition: input.c:406
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:737
AV_CPU_FLAG_SSE42
#define AV_CPU_FLAG_SSE42
Nehalem SSE4.2 functions.
Definition: cpu.h:45
CheckasmFuncVersion::next
struct CheckasmFuncVersion * next
Definition: checkasm.c:244
vsnprintf
#define vsnprintf
Definition: snprintf.h:36
common.h
use_color
static int use_color
Definition: log.c:121
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:511
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:68
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:270
is_red
#define is_red(f)
Definition: checkasm.c:536
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:71
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:277
AV_CPU_FLAG_VFPV3
#define AV_CPU_FLAG_VFPV3
Definition: cpu.h:66
checkasm_check_bswapdsp
void checkasm_check_bswapdsp(void)
Definition: bswapdsp.c:60
AV_CPU_FLAG_ARMV5TE
#define AV_CPU_FLAG_ARMV5TE
Definition: cpu.h:62
AV_CPU_FLAG_MMX
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:29
tests
static const struct @315 tests[]
suffix
const char * suffix
Definition: checkasm.c:200
checkasm_malloc
static void * checkasm_malloc(size_t size)
Definition: checkasm.c:439
checkasm_check_h264qpel
void checkasm_check_h264qpel(void)
Definition: h264qpel.c:51
random_seed.h
cpus
static const struct @316 cpus[]
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:784
dummy
int dummy
Definition: motion.c:65
AV_CPU_FLAG_POWER8
#define AV_CPU_FLAG_POWER8
ISA 2.07.
Definition: cpu.h:60
cpu_flag_name
const char * cpu_flag_name
Definition: checkasm.c:275
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:107
float_near_ulp_array
int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp, unsigned len)
Definition: checkasm.c:307
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:86
av_intfloat32::f
float f
Definition: intfloat.h:29
flag
int flag
Definition: checkasm.c:201
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:69
AV_CPU_FLAG_MMI
#define AV_CPU_FLAG_MMI
Definition: cpu.h:72
checkasm_check_jpeg2000dsp
void checkasm_check_jpeg2000dsp(void)
Definition: jpeg2000dsp.c:92
d
d
Definition: ffmpeg_filter.c:156
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:289
current_func_ver
CheckasmFuncVersion * current_func_ver
Definition: checkasm.c:263
check_cpu_flag
static void check_cpu_flag(const char *name, int flag)
Definition: checkasm.c:580
bench_init_ffmpeg
static int bench_init_ffmpeg(void)
Definition: checkasm.c:639
CheckasmFunc::versions
CheckasmFuncVersion versions
Definition: checkasm.c:254
isatty
#define isatty(fd)
Definition: checkasm.c:61
CheckasmFunc::name
char name[1]
Definition: checkasm.c:256
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
balance_tree
static void balance_tree(CheckasmFunc **root)
Definition: checkasm.c:539
AV_CPU_FLAG_ARMV6T2
#define AV_CPU_FLAG_ARMV6T2
Definition: cpu.h:64
funcs
CheckasmFunc * funcs
Definition: checkasm.c:261
checkasm_check_opusdsp
void checkasm_check_opusdsp(void)
Definition: opusdsp.c:85