FFmpeg
checkasm.c
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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_qpel", checkasm_check_hevc_qpel },
120  { "hevc_qpel_uni", checkasm_check_hevc_qpel_uni },
121  { "hevc_qpel_uni_w", checkasm_check_hevc_qpel_uni_w },
122  { "hevc_qpel_bi", checkasm_check_hevc_qpel_bi },
123  { "hevc_qpel_bi_w", checkasm_check_hevc_qpel_bi_w },
124  { "hevc_epel", checkasm_check_hevc_epel },
125  { "hevc_epel_uni", checkasm_check_hevc_epel_uni },
126  { "hevc_epel_uni_w", checkasm_check_hevc_epel_uni_w },
127  { "hevc_epel_bi", checkasm_check_hevc_epel_bi },
128  { "hevc_epel_bi_w", checkasm_check_hevc_epel_bi_w },
129  { "hevc_sao", checkasm_check_hevc_sao },
130  #endif
131  #if CONFIG_HUFFYUV_DECODER
132  { "huffyuvdsp", checkasm_check_huffyuvdsp },
133  #endif
134  #if CONFIG_JPEG2000_DECODER
135  { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
136  #endif
137  #if CONFIG_HUFFYUVDSP
138  { "llviddsp", checkasm_check_llviddsp },
139  #endif
140  #if CONFIG_LLVIDENCDSP
141  { "llviddspenc", checkasm_check_llviddspenc },
142  #endif
143  #if CONFIG_OPUS_DECODER
144  { "opusdsp", checkasm_check_opusdsp },
145  #endif
146  #if CONFIG_PIXBLOCKDSP
147  { "pixblockdsp", checkasm_check_pixblockdsp },
148  #endif
149  #if CONFIG_UTVIDEO_DECODER
150  { "utvideodsp", checkasm_check_utvideodsp },
151  #endif
152  #if CONFIG_V210_DECODER
153  { "v210dec", checkasm_check_v210dec },
154  #endif
155  #if CONFIG_V210_ENCODER
156  { "v210enc", checkasm_check_v210enc },
157  #endif
158  #if CONFIG_VP8DSP
159  { "vp8dsp", checkasm_check_vp8dsp },
160  #endif
161  #if CONFIG_VP9_DECODER
162  { "vp9dsp", checkasm_check_vp9dsp },
163  #endif
164  #if CONFIG_VIDEODSP
165  { "videodsp", checkasm_check_videodsp },
166  #endif
167 #endif
168 #if CONFIG_AVFILTER
169  #if CONFIG_AFIR_FILTER
170  { "af_afir", checkasm_check_afir },
171  #endif
172  #if CONFIG_BLEND_FILTER
173  { "vf_blend", checkasm_check_blend },
174  #endif
175  #if CONFIG_COLORSPACE_FILTER
176  { "vf_colorspace", checkasm_check_colorspace },
177  #endif
178  #if CONFIG_EQ_FILTER
179  { "vf_eq", checkasm_check_vf_eq },
180  #endif
181  #if CONFIG_GBLUR_FILTER
182  { "vf_gblur", checkasm_check_vf_gblur },
183  #endif
184  #if CONFIG_HFLIP_FILTER
185  { "vf_hflip", checkasm_check_vf_hflip },
186  #endif
187  #if CONFIG_NLMEANS_FILTER
188  { "vf_nlmeans", checkasm_check_nlmeans },
189  #endif
190  #if CONFIG_THRESHOLD_FILTER
191  { "vf_threshold", checkasm_check_vf_threshold },
192  #endif
193 #endif
194 #if CONFIG_SWSCALE
195  { "sw_rgb", checkasm_check_sw_rgb },
196  { "sw_scale", checkasm_check_sw_scale },
197 #endif
198 #if CONFIG_AVUTIL
199  { "fixed_dsp", checkasm_check_fixed_dsp },
200  { "float_dsp", checkasm_check_float_dsp },
201  { "av_tx", checkasm_check_av_tx },
202 #endif
203  { NULL }
204 };
205 
206 /* List of cpu flags to check */
207 static const struct {
208  const char *name;
209  const char *suffix;
210  int flag;
211 } cpus[] = {
212 #if ARCH_AARCH64
213  { "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
214  { "NEON", "neon", AV_CPU_FLAG_NEON },
215 #elif ARCH_ARM
216  { "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
217  { "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
218  { "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
219  { "VFP", "vfp", AV_CPU_FLAG_VFP },
220  { "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
221  { "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
222  { "NEON", "neon", AV_CPU_FLAG_NEON },
223 #elif ARCH_PPC
224  { "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
225  { "VSX", "vsx", AV_CPU_FLAG_VSX },
226  { "POWER8", "power8", AV_CPU_FLAG_POWER8 },
227 #elif ARCH_MIPS
228  { "MMI", "mmi", AV_CPU_FLAG_MMI },
229  { "MSA", "msa", AV_CPU_FLAG_MSA },
230 #elif ARCH_X86
231  { "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
232  { "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
233  { "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
234  { "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
235  { "SSE", "sse", AV_CPU_FLAG_SSE },
236  { "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
237  { "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
238  { "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
239  { "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
240  { "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
241  { "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
242  { "AVX", "avx", AV_CPU_FLAG_AVX },
243  { "XOP", "xop", AV_CPU_FLAG_XOP },
244  { "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
245  { "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
246  { "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
247  { "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
248 #endif
249  { NULL }
250 };
251 
252 typedef struct CheckasmFuncVersion {
254  void *func;
255  int ok;
256  int cpu;
259 
260 /* Binary search tree node */
261 typedef struct CheckasmFunc {
262  struct CheckasmFunc *child[2];
264  uint8_t color; /* 0 = red, 1 = black */
265  char name[1];
266 } CheckasmFunc;
267 
268 /* Internal state */
269 static struct {
273  const char *current_test_name;
274  const char *bench_pattern;
278 
279  /* perf */
280  int nop_time;
281  int sysfd;
282 
283  int cpu_flag;
284  const char *cpu_flag_name;
285  const char *test_name;
286  int verbose;
287 } state;
288 
289 /* PRNG state */
291 
292 /* float compare support code */
293 static int is_negative(union av_intfloat32 u)
294 {
295  return u.i >> 31;
296 }
297 
298 int float_near_ulp(float a, float b, unsigned max_ulp)
299 {
300  union av_intfloat32 x, y;
301 
302  x.f = a;
303  y.f = b;
304 
305  if (is_negative(x) != is_negative(y)) {
306  // handle -0.0 == +0.0
307  return a == b;
308  }
309 
310  if (llabs((int64_t)x.i - y.i) <= max_ulp)
311  return 1;
312 
313  return 0;
314 }
315 
316 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
317  unsigned len)
318 {
319  unsigned i;
320 
321  for (i = 0; i < len; i++) {
322  if (!float_near_ulp(a[i], b[i], max_ulp))
323  return 0;
324  }
325  return 1;
326 }
327 
328 int float_near_abs_eps(float a, float b, float eps)
329 {
330  float abs_diff = fabsf(a - b);
331  if (abs_diff < eps)
332  return 1;
333 
334  fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
335 
336  return 0;
337 }
338 
339 int float_near_abs_eps_array(const float *a, const float *b, float eps,
340  unsigned len)
341 {
342  unsigned i;
343 
344  for (i = 0; i < len; i++) {
345  if (!float_near_abs_eps(a[i], b[i], eps))
346  return 0;
347  }
348  return 1;
349 }
350 
351 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
352 {
353  return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
354 }
355 
356 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
357  unsigned max_ulp, unsigned len)
358 {
359  unsigned i;
360 
361  for (i = 0; i < len; i++) {
362  if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
363  return 0;
364  }
365  return 1;
366 }
367 
368 int double_near_abs_eps(double a, double b, double eps)
369 {
370  double abs_diff = fabs(a - b);
371 
372  return abs_diff < eps;
373 }
374 
375 int double_near_abs_eps_array(const double *a, const double *b, double eps,
376  unsigned len)
377 {
378  unsigned i;
379 
380  for (i = 0; i < len; i++) {
381  if (!double_near_abs_eps(a[i], b[i], eps))
382  return 0;
383  }
384  return 1;
385 }
386 
387 /* Print colored text to stderr if the terminal supports it */
388 static void color_printf(int color, const char *fmt, ...)
389 {
390  static int use_color = -1;
391  va_list arg;
392 
393 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
394  static HANDLE con;
395  static WORD org_attributes;
396 
397  if (use_color < 0) {
398  CONSOLE_SCREEN_BUFFER_INFO con_info;
399  con = GetStdHandle(STD_ERROR_HANDLE);
400  if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
401  org_attributes = con_info.wAttributes;
402  use_color = 1;
403  } else
404  use_color = 0;
405  }
406  if (use_color)
407  SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
408 #else
409  if (use_color < 0) {
410  const char *term = getenv("TERM");
411  use_color = term && strcmp(term, "dumb") && isatty(2);
412  }
413  if (use_color)
414  fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
415 #endif
416 
417  va_start(arg, fmt);
418  vfprintf(stderr, fmt, arg);
419  va_end(arg);
420 
421  if (use_color) {
422 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
423  SetConsoleTextAttribute(con, org_attributes);
424 #else
425  fprintf(stderr, "\x1b[0m");
426 #endif
427  }
428 }
429 
430 /* Deallocate a tree */
432 {
433  if (f) {
434  CheckasmFuncVersion *v = f->versions.next;
435  while (v) {
436  CheckasmFuncVersion *next = v->next;
437  free(v);
438  v = next;
439  }
440 
441  destroy_func_tree(f->child[0]);
442  destroy_func_tree(f->child[1]);
443  free(f);
444  }
445 }
446 
447 /* Allocate a zero-initialized block, clean up and exit on failure */
448 static void *checkasm_malloc(size_t size)
449 {
450  void *ptr = calloc(1, size);
451  if (!ptr) {
452  fprintf(stderr, "checkasm: malloc failed\n");
453  destroy_func_tree(state.funcs);
454  exit(1);
455  }
456  return ptr;
457 }
458 
459 /* Get the suffix of the specified cpu flag */
460 static const char *cpu_suffix(int cpu)
461 {
462  int i = FF_ARRAY_ELEMS(cpus);
463 
464  while (--i >= 0)
465  if (cpu & cpus[i].flag)
466  return cpus[i].suffix;
467 
468  return "c";
469 }
470 
471 static int cmp_nop(const void *a, const void *b)
472 {
473  return *(const uint16_t*)a - *(const uint16_t*)b;
474 }
475 
476 /* Measure the overhead of the timing code (in decicycles) */
477 static int measure_nop_time(void)
478 {
479  uint16_t nops[10000];
480  int i, nop_sum = 0;
481  av_unused const int sysfd = state.sysfd;
482 
483  uint64_t t = 0;
484  for (i = 0; i < 10000; i++) {
485  PERF_START(t);
486  PERF_STOP(t);
487  nops[i] = t;
488  }
489 
490  qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
491  for (i = 2500; i < 7500; i++)
492  nop_sum += nops[i];
493 
494  return nop_sum / 500;
495 }
496 
497 /* Print benchmark results */
499 {
500  if (f) {
501  print_benchs(f->child[0]);
502 
503  /* Only print functions with at least one assembly version */
504  if (f->versions.cpu || f->versions.next) {
505  CheckasmFuncVersion *v = &f->versions;
506  do {
507  CheckasmPerf *p = &v->perf;
508  if (p->iterations) {
509  int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
510  printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
511  }
512  } while ((v = v->next));
513  }
514 
515  print_benchs(f->child[1]);
516  }
517 }
518 
519 /* ASCIIbetical sort except preserving natural order for numbers */
520 static int cmp_func_names(const char *a, const char *b)
521 {
522  const char *start = a;
523  int ascii_diff, digit_diff;
524 
525  for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
526  for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
527 
528  if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
529  return digit_diff;
530 
531  return ascii_diff;
532 }
533 
534 /* Perform a tree rotation in the specified direction and return the new root */
536 {
537  CheckasmFunc *r = f->child[dir^1];
538  f->child[dir^1] = r->child[dir];
539  r->child[dir] = f;
540  r->color = f->color;
541  f->color = 0;
542  return r;
543 }
544 
545 #define is_red(f) ((f) && !(f)->color)
546 
547 /* Balance a left-leaning red-black tree at the specified node */
548 static void balance_tree(CheckasmFunc **root)
549 {
550  CheckasmFunc *f = *root;
551 
552  if (is_red(f->child[0]) && is_red(f->child[1])) {
553  f->color ^= 1;
554  f->child[0]->color = f->child[1]->color = 1;
555  }
556 
557  if (!is_red(f->child[0]) && is_red(f->child[1]))
558  *root = rotate_tree(f, 0); /* Rotate left */
559  else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
560  *root = rotate_tree(f, 1); /* Rotate right */
561 }
562 
563 /* Get a node with the specified name, creating it if it doesn't exist */
564 static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
565 {
566  CheckasmFunc *f = *root;
567 
568  if (f) {
569  /* Search the tree for a matching node */
570  int cmp = cmp_func_names(name, f->name);
571  if (cmp) {
572  f = get_func(&f->child[cmp > 0], name);
573 
574  /* Rebalance the tree on the way up if a new node was inserted */
575  if (!f->versions.func)
576  balance_tree(root);
577  }
578  } else {
579  /* Allocate and insert a new node into the tree */
580  int name_length = strlen(name);
581  f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
582  memcpy(f->name, name, name_length + 1);
583  }
584 
585  return f;
586 }
587 
588 /* Perform tests and benchmarks for the specified cpu flag if supported by the host */
589 static void check_cpu_flag(const char *name, int flag)
590 {
591  int old_cpu_flag = state.cpu_flag;
592 
593  flag |= old_cpu_flag;
594  av_force_cpu_flags(-1);
595  state.cpu_flag = flag & av_get_cpu_flags();
596  av_force_cpu_flags(state.cpu_flag);
597 
598  if (!flag || state.cpu_flag != old_cpu_flag) {
599  int i;
600 
601  state.cpu_flag_name = name;
602  for (i = 0; tests[i].func; i++) {
603  if (state.test_name && strcmp(tests[i].name, state.test_name))
604  continue;
605  state.current_test_name = tests[i].name;
606  tests[i].func();
607  }
608  }
609 }
610 
611 /* Print the name of the current CPU flag, but only do it once */
612 static void print_cpu_name(void)
613 {
614  if (state.cpu_flag_name) {
615  color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
616  state.cpu_flag_name = NULL;
617  }
618 }
619 
620 #if CONFIG_LINUX_PERF
621 static int bench_init_linux(void)
622 {
623  struct perf_event_attr attr = {
624  .type = PERF_TYPE_HARDWARE,
625  .size = sizeof(struct perf_event_attr),
626  .config = PERF_COUNT_HW_CPU_CYCLES,
627  .disabled = 1, // start counting only on demand
628  .exclude_kernel = 1,
629  .exclude_hv = 1,
630  };
631 
632  printf("benchmarking with Linux Perf Monitoring API\n");
633 
634  state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
635  if (state.sysfd == -1) {
636  perror("syscall");
637  return -1;
638  }
639  return 0;
640 }
641 #endif
642 
643 #if !CONFIG_LINUX_PERF
644 static int bench_init_ffmpeg(void)
645 {
646 #ifdef AV_READ_TIME
647  printf("benchmarking with native FFmpeg timers\n");
648  return 0;
649 #else
650  fprintf(stderr, "checkasm: --bench is not supported on your system\n");
651  return -1;
652 #endif
653 }
654 #endif
655 
656 static int bench_init(void)
657 {
658 #if CONFIG_LINUX_PERF
659  int ret = bench_init_linux();
660 #else
661  int ret = bench_init_ffmpeg();
662 #endif
663  if (ret < 0)
664  return ret;
665 
666  state.nop_time = measure_nop_time();
667  printf("nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
668  return 0;
669 }
670 
671 static void bench_uninit(void)
672 {
673 #if CONFIG_LINUX_PERF
674  if (state.sysfd > 0)
675  close(state.sysfd);
676 #endif
677 }
678 
679 int main(int argc, char *argv[])
680 {
681  unsigned int seed = av_get_random_seed();
682  int i, ret = 0;
683 
684 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
686  checkasm_checked_call = checkasm_checked_call_vfp;
687 #endif
688 
689  if (!tests[0].func || !cpus[0].flag) {
690  fprintf(stderr, "checkasm: no tests to perform\n");
691  return 0;
692  }
693 
694  while (argc > 1) {
695  if (!strncmp(argv[1], "--bench", 7)) {
696  if (bench_init() < 0)
697  return 1;
698  if (argv[1][7] == '=') {
699  state.bench_pattern = argv[1] + 8;
700  state.bench_pattern_len = strlen(state.bench_pattern);
701  } else
702  state.bench_pattern = "";
703  } else if (!strncmp(argv[1], "--test=", 7)) {
704  state.test_name = argv[1] + 7;
705  } else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
706  state.verbose = 1;
707  } else {
708  seed = strtoul(argv[1], NULL, 10);
709  }
710 
711  argc--;
712  argv++;
713  }
714 
715  fprintf(stderr, "checkasm: using random seed %u\n", seed);
717 
718  check_cpu_flag(NULL, 0);
719  for (i = 0; cpus[i].flag; i++)
721 
722  if (state.num_failed) {
723  fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
724  ret = 1;
725  } else {
726  fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
727  if (state.bench_pattern) {
728  print_benchs(state.funcs);
729  }
730  }
731 
732  destroy_func_tree(state.funcs);
733  bench_uninit();
734  return ret;
735 }
736 
737 /* Decide whether or not the specified function needs to be tested and
738  * allocate/initialize data structures if needed. Returns a pointer to a
739  * reference function if the function should be tested, otherwise NULL */
740 void *checkasm_check_func(void *func, const char *name, ...)
741 {
742  char name_buf[256];
743  void *ref = func;
745  int name_length;
746  va_list arg;
747 
748  va_start(arg, name);
749  name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
750  va_end(arg);
751 
752  if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
753  return NULL;
754 
755  state.current_func = get_func(&state.funcs, name_buf);
756  state.funcs->color = 1;
757  v = &state.current_func->versions;
758 
759  if (v->func) {
760  CheckasmFuncVersion *prev;
761  do {
762  /* Only test functions that haven't already been tested */
763  if (v->func == func)
764  return NULL;
765 
766  if (v->ok)
767  ref = v->func;
768 
769  prev = v;
770  } while ((v = v->next));
771 
772  v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
773  }
774 
775  v->func = func;
776  v->ok = 1;
777  v->cpu = state.cpu_flag;
778  state.current_func_ver = v;
779 
780  if (state.cpu_flag)
781  state.num_checked++;
782 
783  return ref;
784 }
785 
786 /* Decide whether or not the current function needs to be benchmarked */
788 {
789  return !state.num_failed && state.bench_pattern &&
790  !strncmp(state.current_func->name, state.bench_pattern, state.bench_pattern_len);
791 }
792 
793 /* Indicate that the current test has failed */
794 void checkasm_fail_func(const char *msg, ...)
795 {
796  if (state.current_func_ver->cpu && state.current_func_ver->ok) {
797  va_list arg;
798 
799  print_cpu_name();
800  fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
801  va_start(arg, msg);
802  vfprintf(stderr, msg, arg);
803  va_end(arg);
804  fprintf(stderr, ")\n");
805 
806  state.current_func_ver->ok = 0;
807  state.num_failed++;
808  }
809 }
810 
811 /* Get the benchmark context of the current function */
813 {
814  CheckasmPerf *perf = &state.current_func_ver->perf;
815  memset(perf, 0, sizeof(*perf));
816  perf->sysfd = state.sysfd;
817  return perf;
818 }
819 
820 /* Print the outcome of all tests performed since the last time this function was called */
821 void checkasm_report(const char *name, ...)
822 {
823  static int prev_checked, prev_failed, max_length;
824 
825  if (state.num_checked > prev_checked) {
826  int pad_length = max_length + 4;
827  va_list arg;
828 
829  print_cpu_name();
830  pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
831  va_start(arg, name);
832  pad_length -= vfprintf(stderr, name, arg);
833  va_end(arg);
834  fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
835 
836  if (state.num_failed == prev_failed)
837  color_printf(COLOR_GREEN, "OK");
838  else
839  color_printf(COLOR_RED, "FAILED");
840  fprintf(stderr, "]\n");
841 
842  prev_checked = state.num_checked;
843  prev_failed = state.num_failed;
844  } else if (!state.cpu_flag) {
845  /* Calculate the amount of padding required to make the output vertically aligned */
846  int length = strlen(state.current_test_name);
847  va_list arg;
848 
849  va_start(arg, name);
850  length += vsnprintf(NULL, 0, name, arg);
851  va_end(arg);
852 
853  if (length > max_length)
854  max_length = length;
855  }
856 }
857 
858 #define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
859 int checkasm_check_##type(const char *const file, const int line, \
860  const type *buf1, ptrdiff_t stride1, \
861  const type *buf2, ptrdiff_t stride2, \
862  const int w, int h, const char *const name) \
863 { \
864  int y = 0; \
865  stride1 /= sizeof(*buf1); \
866  stride2 /= sizeof(*buf2); \
867  for (y = 0; y < h; y++) \
868  if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
869  break; \
870  if (y == h) \
871  return 0; \
872  checkasm_fail_func("%s:%d", file, line); \
873  if (!state.verbose) \
874  return 1; \
875  fprintf(stderr, "%s:\n", name); \
876  while (h--) { \
877  for (int x = 0; x < w; x++) \
878  fprintf(stderr, " " fmt, buf1[x]); \
879  fprintf(stderr, " "); \
880  for (int x = 0; x < w; x++) \
881  fprintf(stderr, " " fmt, buf2[x]); \
882  fprintf(stderr, " "); \
883  for (int x = 0; x < w; x++) \
884  fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
885  buf1 += stride1; \
886  buf2 += stride2; \
887  fprintf(stderr, "\n"); \
888  } \
889  return 1; \
890 }
891 
892 DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
893 DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
894 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:275
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void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
Definition: cpu.c:67
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void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:508
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void checkasm_check_hevc_epel(void)
Definition: hevc_pel.c:297
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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
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static void destroy_func_tree(CheckasmFunc *f)
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const char * r
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void checkasm_check_videodsp(void)
Definition: videodsp.c:81
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static int cmp_nop(const void *a, const void *b)
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Definition: vf_eq.c:76
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av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
Definition: lfg.c:32
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#define u(width, name, range_min, range_max)
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void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
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static const struct @320 cpus[]
checkasm_check_v210dec
void checkasm_check_v210dec(void)
Definition: v210dec.c:47
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int float_near_abs_eps_array(const float *a, const float *b, float eps, unsigned len)
Definition: checkasm.c:339
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#define AV_CPU_FLAG_SSE3SLOW
SSE3 supported, but usually not faster.
Definition: cpu.h:39
CheckasmFunc
Definition: checkasm.c:261
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const char * name
Definition: checkasm.c:72
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const char * bench_pattern
Definition: checkasm.c:274
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#define av_unused
Definition: attributes.h:131
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void checkasm_check_hevc_idct(void)
Definition: hevc_idct.c:87
state
static struct @321 state
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void checkasm_check_sw_scale(void)
Definition: sw_scale.c:230
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struct CheckasmFunc * child[2]
Definition: checkasm.c:262
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void checkasm_check_afir(void)
Definition: af_afir.c:80
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static void print_cpu_name(void)
Definition: checkasm.c:612
AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_3DNOW
AMD 3DNOW.
Definition: cpu.h:32
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uint32_t i
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int float_near_abs_eps(float a, float b, float eps)
Definition: checkasm.c:328
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#define b
Definition: input.c:41
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void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
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static void bench_uninit(void)
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int cpu
Definition: checkasm.c:256
cpu_flag
int cpu_flag
Definition: checkasm.c:283
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int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
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static const char * cpu_suffix(int cpu)
Definition: checkasm.c:460
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:223
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void checkasm_check_llviddspenc(void)
Definition: llviddspenc.c:105
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:388
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uint32_t av_get_random_seed(void)
Get a seed to use in conjunction with random functions.
Definition: random_seed.c:120
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void checkasm_check_hevc_qpel(void)
Definition: hevc_pel.c:68
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int main(int argc, char *argv[])
Definition: checkasm.c:679
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#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition: cpu.h:41
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int double_near_abs_eps(double a, double b, double eps)
Definition: checkasm.c:368
CheckasmPerf
Definition: checkasm.h:222
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const char * current_test_name
Definition: checkasm.c:273
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#define PERF_START(t)
Definition: checkasm.h:273
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static CheckasmFunc * rotate_tree(CheckasmFunc *f, int dir)
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#define AV_CPU_FLAG_XOP
Bulldozer XOP functions.
Definition: cpu.h:49
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void checkasm_check_vp9dsp(void)
Definition: vp9dsp.c:626
checkasm.h
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void checkasm_check_vf_threshold(void)
Definition: vf_threshold.c:79
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void checkasm_check_vf_gblur(void)
Definition: vf_gblur.c:65
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void checkasm_check_hevc_qpel_uni_w(void)
Definition: hevc_pel.c:153
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#define AV_CPU_FLAG_3DNOWEXT
AMD 3DNowExt.
Definition: cpu.h:37
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int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
Definition: checkasm.c:351
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#define AV_CPU_FLAG_VSX
ISA 2.06.
Definition: cpu.h:59
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static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
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int num_failed
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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
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static int bench_init(void)
Definition: checkasm.c:656
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void checkasm_check_pixblockdsp(void)
Definition: pixblockdsp.c:82
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#define FF_ARRAY_ELEMS(a)
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CheckasmFuncVersion
Definition: checkasm.c:252
COLOR_YELLOW
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int nop_time
Definition: checkasm.c:280
CheckasmFuncVersion::perf
CheckasmPerf perf
Definition: checkasm.c:257
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void checkasm_report(const char *name,...)
Definition: checkasm.c:821
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static CheckasmFunc * get_func(CheckasmFunc **root, const char *name)
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void checkasm_fail_func(const char *msg,...)
Definition: checkasm.c:794
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void checkasm_check_sw_rgb(void)
Definition: sw_rgb.c:183
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void checkasm_check_hevc_sao(void)
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int num_checked
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AV_CPU_FLAG_ARMV6
#define AV_CPU_FLAG_ARMV6
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#define AV_CPU_FLAG_SSE4
Penryn SSE4.1 functions.
Definition: cpu.h:44
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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:225
CheckasmFuncVersion::ok
int ok
Definition: checkasm.c:255
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:477
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int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:375
checkasm_check_fmtconvert
void checkasm_check_fmtconvert(void)
Definition: fmtconvert.c:46
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:498
current_func
CheckasmFunc * current_func
Definition: checkasm.c:271
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:34
CheckasmFunc::color
uint8_t color
Definition: checkasm.c:264
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
FFMAX
#define FFMAX(a, b)
Definition: common.h:103
AV_CPU_FLAG_SSE2SLOW
#define AV_CPU_FLAG_SSE2SLOW
SSE2 supported, but usually not faster.
Definition: cpu.h:35
checkasm_check_hevc_qpel_uni
void checkasm_check_hevc_qpel_uni(void)
Definition: hevc_pel.c:112
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:858
tests
static const struct @319 tests[]
printf
printf("static const uint8_t my_array[100] = {\n")
sysfd
int sysfd
Definition: checkasm.c:281
have_neon
#define have_neon(flags)
Definition: cpu.h:26
CheckasmFuncVersion::func
void * func
Definition: checkasm.c:254
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
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:356
test_name
const char * test_name
Definition: checkasm.c:285
CheckasmPerf::cycles
uint64_t cycles
Definition: checkasm.h:224
checkasm_get_perf_context
CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:812
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:293
checkasm_check_hevc_epel_bi_w
void checkasm_check_hevc_epel_bi_w(void)
Definition: hevc_pel.c:474
checkasm_check_audiodsp
void checkasm_check_audiodsp(void)
Definition: audiodsp.c:52
checkasm_check_hevc_qpel_bi_w
void checkasm_check_hevc_qpel_bi_w(void)
Definition: hevc_pel.c:245
i
int i
Definition: input.c:407
checkasm_check_hevc_epel_uni_w
void checkasm_check_hevc_epel_uni_w(void)
Definition: hevc_pel.c:382
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:740
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:253
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:520
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:68
len
int len
Definition: vorbis_enc_data.h:452
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:545
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:286
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
suffix
const char * suffix
Definition: checkasm.c:209
checkasm_malloc
static void * checkasm_malloc(size_t size)
Definition: checkasm.c:448
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:787
dummy
int dummy
Definition: motion.c:64
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:284
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:316
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:210
checkasm_check_v210enc
void checkasm_check_v210enc(void)
Definition: v210enc.c:82
checkasm_check_hevc_qpel_bi
void checkasm_check_hevc_qpel_bi(void)
Definition: hevc_pel.c:201
checkasm_check_sbrdsp
void checkasm_check_sbrdsp(void)
Definition: sbrdsp.c:254
checkasm_check_hevc_epel_uni
void checkasm_check_hevc_epel_uni(void)
Definition: hevc_pel.c:341
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:298
current_func_ver
CheckasmFuncVersion * current_func_ver
Definition: checkasm.c:272
check_cpu_flag
static void check_cpu_flag(const char *name, int flag)
Definition: checkasm.c:589
bench_init_ffmpeg
static int bench_init_ffmpeg(void)
Definition: checkasm.c:644
CheckasmFunc::versions
CheckasmFuncVersion versions
Definition: checkasm.c:263
isatty
#define isatty(fd)
Definition: checkasm.c:61
CheckasmFunc::name
char name[1]
Definition: checkasm.c:265
checkasm_check_hevc_epel_bi
void checkasm_check_hevc_epel_bi(void)
Definition: hevc_pel.c:430
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
balance_tree
static void balance_tree(CheckasmFunc **root)
Definition: checkasm.c:548
AV_CPU_FLAG_ARMV6T2
#define AV_CPU_FLAG_ARMV6T2
Definition: cpu.h:64
funcs
CheckasmFunc * funcs
Definition: checkasm.c:270
checkasm_check_opusdsp
void checkasm_check_opusdsp(void)
Definition: opusdsp.c:85