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 #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_LPC
139  { "lpc", checkasm_check_lpc },
140  #endif
141  #if CONFIG_ME_CMP
142  { "motion", checkasm_check_motion },
143  #endif
144  #if CONFIG_OPUS_DECODER
145  { "opusdsp", checkasm_check_opusdsp },
146  #endif
147  #if CONFIG_PIXBLOCKDSP
148  { "pixblockdsp", checkasm_check_pixblockdsp },
149  #endif
150  #if CONFIG_UTVIDEO_DECODER
151  { "utvideodsp", checkasm_check_utvideodsp },
152  #endif
153  #if CONFIG_V210_DECODER
154  { "v210dec", checkasm_check_v210dec },
155  #endif
156  #if CONFIG_V210_ENCODER
157  { "v210enc", checkasm_check_v210enc },
158  #endif
159  #if CONFIG_VC1DSP
160  { "vc1dsp", checkasm_check_vc1dsp },
161  #endif
162  #if CONFIG_VP8DSP
163  { "vp8dsp", checkasm_check_vp8dsp },
164  #endif
165  #if CONFIG_VP9_DECODER
166  { "vp9dsp", checkasm_check_vp9dsp },
167  #endif
168  #if CONFIG_VIDEODSP
169  { "videodsp", checkasm_check_videodsp },
170  #endif
171  #if CONFIG_VORBIS_DECODER
172  { "vorbisdsp", checkasm_check_vorbisdsp },
173  #endif
174 #endif
175 #if CONFIG_AVFILTER
176  #if CONFIG_AFIR_FILTER
177  { "af_afir", checkasm_check_afir },
178  #endif
179  #if CONFIG_BLEND_FILTER
180  { "vf_blend", checkasm_check_blend },
181  #endif
182  #if CONFIG_COLORSPACE_FILTER
183  { "vf_colorspace", checkasm_check_colorspace },
184  #endif
185  #if CONFIG_EQ_FILTER
186  { "vf_eq", checkasm_check_vf_eq },
187  #endif
188  #if CONFIG_GBLUR_FILTER
189  { "vf_gblur", checkasm_check_vf_gblur },
190  #endif
191  #if CONFIG_HFLIP_FILTER
192  { "vf_hflip", checkasm_check_vf_hflip },
193  #endif
194  #if CONFIG_NLMEANS_FILTER
195  { "vf_nlmeans", checkasm_check_nlmeans },
196  #endif
197  #if CONFIG_THRESHOLD_FILTER
198  { "vf_threshold", checkasm_check_vf_threshold },
199  #endif
200  #if CONFIG_SOBEL_FILTER
201  { "vf_sobel", checkasm_check_vf_sobel },
202  #endif
203 #endif
204 #if CONFIG_SWSCALE
205  { "sw_gbrp", checkasm_check_sw_gbrp },
206  { "sw_rgb", checkasm_check_sw_rgb },
207  { "sw_scale", checkasm_check_sw_scale },
208 #endif
209 #if CONFIG_AVUTIL
210  { "fixed_dsp", checkasm_check_fixed_dsp },
211  { "float_dsp", checkasm_check_float_dsp },
212  { "av_tx", checkasm_check_av_tx },
213 #endif
214  { NULL }
215 };
216 
217 /* List of cpu flags to check */
218 static const struct {
219  const char *name;
220  const char *suffix;
221  int flag;
222 } cpus[] = {
223 #if ARCH_AARCH64
224  { "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
225  { "NEON", "neon", AV_CPU_FLAG_NEON },
226 #elif ARCH_ARM
227  { "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
228  { "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
229  { "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
230  { "VFP", "vfp", AV_CPU_FLAG_VFP },
231  { "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
232  { "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
233  { "NEON", "neon", AV_CPU_FLAG_NEON },
234 #elif ARCH_PPC
235  { "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
236  { "VSX", "vsx", AV_CPU_FLAG_VSX },
237  { "POWER8", "power8", AV_CPU_FLAG_POWER8 },
238 #elif ARCH_RISCV
239  { "RVI", "rvi", AV_CPU_FLAG_RVI },
240  { "RVF", "rvf", AV_CPU_FLAG_RVF },
241  { "RVD", "rvd", AV_CPU_FLAG_RVD },
242  { "RVVi32", "rvv_i32", AV_CPU_FLAG_RVV_I32 },
243  { "RVVf32", "rvv_f32", AV_CPU_FLAG_RVV_F32 },
244  { "RVVi64", "rvv_i64", AV_CPU_FLAG_RVV_I64 },
245  { "RVVf64", "rvv_f64", AV_CPU_FLAG_RVV_F64 },
246  { "RVBbasic", "rvb_b", AV_CPU_FLAG_RVB_BASIC },
247 #elif ARCH_MIPS
248  { "MMI", "mmi", AV_CPU_FLAG_MMI },
249  { "MSA", "msa", AV_CPU_FLAG_MSA },
250 #elif ARCH_X86
251  { "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
252  { "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
253  { "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
254  { "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
255  { "SSE", "sse", AV_CPU_FLAG_SSE },
256  { "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
257  { "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
258  { "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
259  { "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
260  { "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
261  { "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
262  { "AVX", "avx", AV_CPU_FLAG_AVX },
263  { "XOP", "xop", AV_CPU_FLAG_XOP },
264  { "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
265  { "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
266  { "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
267  { "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
268  { "AVX-512ICL", "avx512icl", AV_CPU_FLAG_AVX512ICL },
269 #elif ARCH_LOONGARCH
270  { "LSX", "lsx", AV_CPU_FLAG_LSX },
271  { "LASX", "lasx", AV_CPU_FLAG_LASX },
272 #endif
273  { NULL }
274 };
275 
276 typedef struct CheckasmFuncVersion {
278  void *func;
279  int ok;
280  int cpu;
283 
284 /* Binary search tree node */
285 typedef struct CheckasmFunc {
286  struct CheckasmFunc *child[2];
288  uint8_t color; /* 0 = red, 1 = black */
289  char name[1];
290 } CheckasmFunc;
291 
292 /* Internal state */
293 static struct {
297  const char *current_test_name;
298  const char *bench_pattern;
302 
303  /* perf */
304  int nop_time;
305  int sysfd;
306 
307  int cpu_flag;
308  const char *cpu_flag_name;
309  const char *test_name;
310  int verbose;
311 } state;
312 
313 /* PRNG state */
315 
316 /* float compare support code */
317 static int is_negative(union av_intfloat32 u)
318 {
319  return u.i >> 31;
320 }
321 
322 int float_near_ulp(float a, float b, unsigned max_ulp)
323 {
324  union av_intfloat32 x, y;
325 
326  x.f = a;
327  y.f = b;
328 
329  if (is_negative(x) != is_negative(y)) {
330  // handle -0.0 == +0.0
331  return a == b;
332  }
333 
334  if (llabs((int64_t)x.i - y.i) <= max_ulp)
335  return 1;
336 
337  return 0;
338 }
339 
340 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
341  unsigned len)
342 {
343  unsigned i;
344 
345  for (i = 0; i < len; i++) {
346  if (!float_near_ulp(a[i], b[i], max_ulp))
347  return 0;
348  }
349  return 1;
350 }
351 
352 int float_near_abs_eps(float a, float b, float eps)
353 {
354  float abs_diff = fabsf(a - b);
355  if (abs_diff < eps)
356  return 1;
357 
358  fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
359 
360  return 0;
361 }
362 
363 int float_near_abs_eps_array(const float *a, const float *b, float eps,
364  unsigned len)
365 {
366  unsigned i;
367 
368  for (i = 0; i < len; i++) {
369  if (!float_near_abs_eps(a[i], b[i], eps))
370  return 0;
371  }
372  return 1;
373 }
374 
375 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
376 {
377  return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
378 }
379 
380 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
381  unsigned max_ulp, unsigned len)
382 {
383  unsigned i;
384 
385  for (i = 0; i < len; i++) {
386  if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
387  return 0;
388  }
389  return 1;
390 }
391 
392 int double_near_abs_eps(double a, double b, double eps)
393 {
394  double abs_diff = fabs(a - b);
395 
396  return abs_diff < eps;
397 }
398 
399 int double_near_abs_eps_array(const double *a, const double *b, double eps,
400  unsigned len)
401 {
402  unsigned i;
403 
404  for (i = 0; i < len; i++) {
405  if (!double_near_abs_eps(a[i], b[i], eps))
406  return 0;
407  }
408  return 1;
409 }
410 
411 /* Print colored text to stderr if the terminal supports it */
412 static void color_printf(int color, const char *fmt, ...)
413 {
414  static int use_color = -1;
415  va_list arg;
416 
417 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
418  static HANDLE con;
419  static WORD org_attributes;
420 
421  if (use_color < 0) {
422  CONSOLE_SCREEN_BUFFER_INFO con_info;
423  con = GetStdHandle(STD_ERROR_HANDLE);
424  if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
425  org_attributes = con_info.wAttributes;
426  use_color = 1;
427  } else
428  use_color = 0;
429  }
430  if (use_color)
431  SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
432 #else
433  if (use_color < 0) {
434  const char *term = getenv("TERM");
435  use_color = term && strcmp(term, "dumb") && isatty(2);
436  }
437  if (use_color)
438  fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
439 #endif
440 
441  va_start(arg, fmt);
442  vfprintf(stderr, fmt, arg);
443  va_end(arg);
444 
445  if (use_color) {
446 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
447  SetConsoleTextAttribute(con, org_attributes);
448 #else
449  fprintf(stderr, "\x1b[0m");
450 #endif
451  }
452 }
453 
454 /* Deallocate a tree */
456 {
457  if (f) {
458  CheckasmFuncVersion *v = f->versions.next;
459  while (v) {
460  CheckasmFuncVersion *next = v->next;
461  free(v);
462  v = next;
463  }
464 
465  destroy_func_tree(f->child[0]);
466  destroy_func_tree(f->child[1]);
467  free(f);
468  }
469 }
470 
471 /* Allocate a zero-initialized block, clean up and exit on failure */
472 static void *checkasm_malloc(size_t size)
473 {
474  void *ptr = calloc(1, size);
475  if (!ptr) {
476  fprintf(stderr, "checkasm: malloc failed\n");
477  destroy_func_tree(state.funcs);
478  exit(1);
479  }
480  return ptr;
481 }
482 
483 /* Get the suffix of the specified cpu flag */
484 static const char *cpu_suffix(int cpu)
485 {
486  int i = FF_ARRAY_ELEMS(cpus);
487 
488  while (--i >= 0)
489  if (cpu & cpus[i].flag)
490  return cpus[i].suffix;
491 
492  return "c";
493 }
494 
495 static int cmp_nop(const void *a, const void *b)
496 {
497  return *(const uint16_t*)a - *(const uint16_t*)b;
498 }
499 
500 /* Measure the overhead of the timing code (in decicycles) */
501 static int measure_nop_time(void)
502 {
503  uint16_t nops[10000];
504  int i, nop_sum = 0;
505  av_unused const int sysfd = state.sysfd;
506 
507  uint64_t t = 0;
508  for (i = 0; i < 10000; i++) {
509  PERF_START(t);
510  PERF_STOP(t);
511  nops[i] = t;
512  }
513 
514  qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
515  for (i = 2500; i < 7500; i++)
516  nop_sum += nops[i];
517 
518  return nop_sum / 500;
519 }
520 
521 /* Print benchmark results */
523 {
524  if (f) {
525  print_benchs(f->child[0]);
526 
527  /* Only print functions with at least one assembly version */
528  if (f->versions.cpu || f->versions.next) {
529  CheckasmFuncVersion *v = &f->versions;
530  do {
531  CheckasmPerf *p = &v->perf;
532  if (p->iterations) {
533  int decicycles = (10*p->cycles/p->iterations - state.nop_time) / 4;
534  printf("%s_%s: %d.%d\n", f->name, cpu_suffix(v->cpu), decicycles/10, decicycles%10);
535  }
536  } while ((v = v->next));
537  }
538 
539  print_benchs(f->child[1]);
540  }
541 }
542 
543 /* ASCIIbetical sort except preserving natural order for numbers */
544 static int cmp_func_names(const char *a, const char *b)
545 {
546  const char *start = a;
547  int ascii_diff, digit_diff;
548 
549  for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
550  for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
551 
552  if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
553  return digit_diff;
554 
555  return ascii_diff;
556 }
557 
558 /* Perform a tree rotation in the specified direction and return the new root */
560 {
561  CheckasmFunc *r = f->child[dir^1];
562  f->child[dir^1] = r->child[dir];
563  r->child[dir] = f;
564  r->color = f->color;
565  f->color = 0;
566  return r;
567 }
568 
569 #define is_red(f) ((f) && !(f)->color)
570 
571 /* Balance a left-leaning red-black tree at the specified node */
572 static void balance_tree(CheckasmFunc **root)
573 {
574  CheckasmFunc *f = *root;
575 
576  if (is_red(f->child[0]) && is_red(f->child[1])) {
577  f->color ^= 1;
578  f->child[0]->color = f->child[1]->color = 1;
579  }
580 
581  if (!is_red(f->child[0]) && is_red(f->child[1]))
582  *root = rotate_tree(f, 0); /* Rotate left */
583  else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
584  *root = rotate_tree(f, 1); /* Rotate right */
585 }
586 
587 /* Get a node with the specified name, creating it if it doesn't exist */
588 static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
589 {
590  CheckasmFunc *f = *root;
591 
592  if (f) {
593  /* Search the tree for a matching node */
594  int cmp = cmp_func_names(name, f->name);
595  if (cmp) {
596  f = get_func(&f->child[cmp > 0], name);
597 
598  /* Rebalance the tree on the way up if a new node was inserted */
599  if (!f->versions.func)
600  balance_tree(root);
601  }
602  } else {
603  /* Allocate and insert a new node into the tree */
604  int name_length = strlen(name);
605  f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
606  memcpy(f->name, name, name_length + 1);
607  }
608 
609  return f;
610 }
611 
612 /* Perform tests and benchmarks for the specified cpu flag if supported by the host */
613 static void check_cpu_flag(const char *name, int flag)
614 {
615  int old_cpu_flag = state.cpu_flag;
616 
617  flag |= old_cpu_flag;
618  av_force_cpu_flags(-1);
619  state.cpu_flag = flag & av_get_cpu_flags();
620  av_force_cpu_flags(state.cpu_flag);
621 
622  if (!flag || state.cpu_flag != old_cpu_flag) {
623  int i;
624 
625  state.cpu_flag_name = name;
626  for (i = 0; tests[i].func; i++) {
627  if (state.test_name && strcmp(tests[i].name, state.test_name))
628  continue;
629  state.current_test_name = tests[i].name;
630  tests[i].func();
631  }
632  }
633 }
634 
635 /* Print the name of the current CPU flag, but only do it once */
636 static void print_cpu_name(void)
637 {
638  if (state.cpu_flag_name) {
639  color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
640  state.cpu_flag_name = NULL;
641  }
642 }
643 
644 #if CONFIG_LINUX_PERF
645 static int bench_init_linux(void)
646 {
647  struct perf_event_attr attr = {
648  .type = PERF_TYPE_HARDWARE,
649  .size = sizeof(struct perf_event_attr),
650  .config = PERF_COUNT_HW_CPU_CYCLES,
651  .disabled = 1, // start counting only on demand
652  .exclude_kernel = 1,
653  .exclude_hv = 1,
654  };
655 
656  printf("benchmarking with Linux Perf Monitoring API\n");
657 
658  state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
659  if (state.sysfd == -1) {
660  perror("syscall");
661  return -1;
662  }
663  return 0;
664 }
665 #elif CONFIG_MACOS_KPERF
666 static int bench_init_kperf(void)
667 {
668  ff_kperf_init();
669  return 0;
670 }
671 #else
672 static int bench_init_ffmpeg(void)
673 {
674 #ifdef AV_READ_TIME
675  printf("benchmarking with native FFmpeg timers\n");
676  return 0;
677 #else
678  fprintf(stderr, "checkasm: --bench is not supported on your system\n");
679  return -1;
680 #endif
681 }
682 #endif
683 
684 static int bench_init(void)
685 {
686 #if CONFIG_LINUX_PERF
687  int ret = bench_init_linux();
688 #elif CONFIG_MACOS_KPERF
689  int ret = bench_init_kperf();
690 #else
691  int ret = bench_init_ffmpeg();
692 #endif
693  if (ret < 0)
694  return ret;
695 
696  state.nop_time = measure_nop_time();
697  printf("nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
698  return 0;
699 }
700 
701 static void bench_uninit(void)
702 {
703 #if CONFIG_LINUX_PERF
704  if (state.sysfd > 0)
705  close(state.sysfd);
706 #endif
707 }
708 
709 int main(int argc, char *argv[])
710 {
711  unsigned int seed = av_get_random_seed();
712  int i, ret = 0;
713 
714 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
716  checkasm_checked_call = checkasm_checked_call_vfp;
717 #endif
718 
719  if (!tests[0].func || !cpus[0].flag) {
720  fprintf(stderr, "checkasm: no tests to perform\n");
721  return 0;
722  }
723 
724  while (argc > 1) {
725  if (!strncmp(argv[1], "--bench", 7)) {
726  if (bench_init() < 0)
727  return 1;
728  if (argv[1][7] == '=') {
729  state.bench_pattern = argv[1] + 8;
730  state.bench_pattern_len = strlen(state.bench_pattern);
731  } else
732  state.bench_pattern = "";
733  } else if (!strncmp(argv[1], "--test=", 7)) {
734  state.test_name = argv[1] + 7;
735  } else if (!strcmp(argv[1], "--verbose") || !strcmp(argv[1], "-v")) {
736  state.verbose = 1;
737  } else {
738  seed = strtoul(argv[1], NULL, 10);
739  }
740 
741  argc--;
742  argv++;
743  }
744 
745  fprintf(stderr, "checkasm: using random seed %u\n", seed);
747 
748  check_cpu_flag(NULL, 0);
749  for (i = 0; cpus[i].flag; i++)
751 
752  if (state.num_failed) {
753  fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
754  ret = 1;
755  } else {
756  fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
757  if (state.bench_pattern) {
758  print_benchs(state.funcs);
759  }
760  }
761 
762  destroy_func_tree(state.funcs);
763  bench_uninit();
764  return ret;
765 }
766 
767 /* Decide whether or not the specified function needs to be tested and
768  * allocate/initialize data structures if needed. Returns a pointer to a
769  * reference function if the function should be tested, otherwise NULL */
770 void *checkasm_check_func(void *func, const char *name, ...)
771 {
772  char name_buf[256];
773  void *ref = func;
775  int name_length;
776  va_list arg;
777 
778  va_start(arg, name);
779  name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
780  va_end(arg);
781 
782  if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
783  return NULL;
784 
785  state.current_func = get_func(&state.funcs, name_buf);
786  state.funcs->color = 1;
787  v = &state.current_func->versions;
788 
789  if (v->func) {
790  CheckasmFuncVersion *prev;
791  do {
792  /* Only test functions that haven't already been tested */
793  if (v->func == func)
794  return NULL;
795 
796  if (v->ok)
797  ref = v->func;
798 
799  prev = v;
800  } while ((v = v->next));
801 
802  v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
803  }
804 
805  v->func = func;
806  v->ok = 1;
807  v->cpu = state.cpu_flag;
808  state.current_func_ver = v;
809 
810  if (state.cpu_flag)
811  state.num_checked++;
812 
813  return ref;
814 }
815 
816 /* Decide whether or not the current function needs to be benchmarked */
818 {
819  return !state.num_failed && state.bench_pattern &&
820  !strncmp(state.current_func->name, state.bench_pattern, state.bench_pattern_len);
821 }
822 
823 /* Indicate that the current test has failed */
824 void checkasm_fail_func(const char *msg, ...)
825 {
826  if (state.current_func_ver->cpu && state.current_func_ver->ok) {
827  va_list arg;
828 
829  print_cpu_name();
830  fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
831  va_start(arg, msg);
832  vfprintf(stderr, msg, arg);
833  va_end(arg);
834  fprintf(stderr, ")\n");
835 
836  state.current_func_ver->ok = 0;
837  state.num_failed++;
838  }
839 }
840 
841 /* Get the benchmark context of the current function */
843 {
844  CheckasmPerf *perf = &state.current_func_ver->perf;
845  memset(perf, 0, sizeof(*perf));
846  perf->sysfd = state.sysfd;
847  return perf;
848 }
849 
850 /* Print the outcome of all tests performed since the last time this function was called */
851 void checkasm_report(const char *name, ...)
852 {
853  static int prev_checked, prev_failed, max_length;
854 
855  if (state.num_checked > prev_checked) {
856  int pad_length = max_length + 4;
857  va_list arg;
858 
859  print_cpu_name();
860  pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
861  va_start(arg, name);
862  pad_length -= vfprintf(stderr, name, arg);
863  va_end(arg);
864  fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
865 
866  if (state.num_failed == prev_failed)
867  color_printf(COLOR_GREEN, "OK");
868  else
869  color_printf(COLOR_RED, "FAILED");
870  fprintf(stderr, "]\n");
871 
872  prev_checked = state.num_checked;
873  prev_failed = state.num_failed;
874  } else if (!state.cpu_flag) {
875  /* Calculate the amount of padding required to make the output vertically aligned */
876  int length = strlen(state.current_test_name);
877  va_list arg;
878 
879  va_start(arg, name);
880  length += vsnprintf(NULL, 0, name, arg);
881  va_end(arg);
882 
883  if (length > max_length)
884  max_length = length;
885  }
886 }
887 
888 #define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
889 int checkasm_check_##type(const char *const file, const int line, \
890  const type *buf1, ptrdiff_t stride1, \
891  const type *buf2, ptrdiff_t stride2, \
892  const int w, int h, const char *const name) \
893 { \
894  int y = 0; \
895  stride1 /= sizeof(*buf1); \
896  stride2 /= sizeof(*buf2); \
897  for (y = 0; y < h; y++) \
898  if (memcmp(&buf1[y*stride1], &buf2[y*stride2], w*sizeof(*buf1))) \
899  break; \
900  if (y == h) \
901  return 0; \
902  checkasm_fail_func("%s:%d", file, line); \
903  if (!state.verbose) \
904  return 1; \
905  fprintf(stderr, "%s:\n", name); \
906  while (h--) { \
907  for (int x = 0; x < w; x++) \
908  fprintf(stderr, " " fmt, buf1[x]); \
909  fprintf(stderr, " "); \
910  for (int x = 0; x < w; x++) \
911  fprintf(stderr, " " fmt, buf2[x]); \
912  fprintf(stderr, " "); \
913  for (int x = 0; x < w; x++) \
914  fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
915  buf1 += stride1; \
916  buf2 += stride2; \
917  fprintf(stderr, "\n"); \
918  } \
919  return 1; \
920 }
921 
922 DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
923 DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
924 DEF_CHECKASM_CHECK_FUNC(uint32_t, "%08x")
925 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:299
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void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
Definition: cpu.c:75
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void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:508
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void checkasm_check_blockdsp(void)
Definition: blockdsp.c:55
AV_CPU_FLAG_SSE3
#define AV_CPU_FLAG_SSE3
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Definition: cpu.h:38
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static void destroy_func_tree(CheckasmFunc *f)
Definition: checkasm.c:455
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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)
Definition: checkasm.c:495
checkasm_check_vf_eq
void checkasm_check_vf_eq(void)
Definition: vf_eq.c:76
AV_CPU_FLAG_RVB_BASIC
#define AV_CPU_FLAG_RVB_BASIC
Basic bit-manipulations.
Definition: cpu.h:89
COLOR_RED
#define COLOR_RED
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AVLFG checkasm_lfg
Definition: checkasm.c:314
color
Definition: vf_paletteuse.c:601
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av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
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static const struct @343 cpus[]
u
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:262
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void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
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#define AV_CPU_FLAG_LSX
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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:363
AV_CPU_FLAG_SSE3SLOW
#define AV_CPU_FLAG_SSE3SLOW
SSE3 supported, but usually not faster.
Definition: cpu.h:39
CheckasmFunc
Definition: checkasm.c:285
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const char * name
Definition: checkasm.c:73
bench_pattern
const char * bench_pattern
Definition: checkasm.c:298
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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
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void checkasm_check_sw_scale(void)
Definition: sw_scale.c:361
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struct CheckasmFunc * child[2]
Definition: checkasm.c:286
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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:636
AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_3DNOW
AMD 3DNOW.
Definition: cpu.h:32
AV_CPU_FLAG_RVF
#define AV_CPU_FLAG_RVF
F (single precision FP)
Definition: cpu.h:83
av_intfloat32::i
uint32_t i
Definition: intfloat.h:28
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int float_near_abs_eps(float a, float b, float eps)
Definition: checkasm.c:352
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#define b
Definition: input.c:41
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static const struct @342 tests[]
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void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
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static void bench_uninit(void)
Definition: checkasm.c:701
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int cpu
Definition: checkasm.c:280
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int cpu_flag
Definition: checkasm.c:307
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#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:103
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static const char * cpu_suffix(int cpu)
Definition: checkasm.c:484
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:233
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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:412
AV_CPU_FLAG_RVV_F64
#define AV_CPU_FLAG_RVV_F64
Vectors of double's.
Definition: cpu.h:88
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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:121
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int main(int argc, char *argv[])
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Definition: motion.c:150
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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:392
CheckasmPerf
Definition: checkasm.h:232
current_test_name
const char * current_test_name
Definition: checkasm.c:297
PERF_START
#define PERF_START(t)
Definition: checkasm.h:288
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static CheckasmFunc * rotate_tree(CheckasmFunc *f, int dir)
Definition: checkasm.c:559
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int dummy
Definition: motion.c:65
AV_CPU_FLAG_XOP
#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:81
AV_CPU_FLAG_3DNOWEXT
#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:375
AV_CPU_FLAG_VSX
#define AV_CPU_FLAG_VSX
ISA 2.06.
Definition: cpu.h:61
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static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
AV_CPU_FLAG_RVV_F32
#define AV_CPU_FLAG_RVV_F32
Vectors of float's *‍/.
Definition: cpu.h:86
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int num_failed
Definition: checkasm.c:301
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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:684
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void checkasm_check_pixblockdsp(void)
Definition: pixblockdsp.c:82
FF_ARRAY_ELEMS
#define FF_ARRAY_ELEMS(a)
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CheckasmFuncVersion
Definition: checkasm.c:276
COLOR_YELLOW
#define COLOR_YELLOW
Definition: checkasm.c:54
nop_time
int nop_time
Definition: checkasm.c:304
CheckasmFuncVersion::perf
CheckasmPerf perf
Definition: checkasm.c:281
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void checkasm_report(const char *name,...)
Definition: checkasm.c:851
get_func
static CheckasmFunc * get_func(CheckasmFunc **root, const char *name)
Definition: checkasm.c:588
checkasm_fail_func
void checkasm_fail_func(const char *msg,...)
Definition: checkasm.c:824
checkasm_check_sw_rgb
void checkasm_check_sw_rgb(void)
Definition: sw_rgb.c:182
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void checkasm_check_hevc_sao(void)
Definition: hevc_sao.c:143
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int num_checked
Definition: checkasm.c:300
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
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void checkasm_check_hevc_pel(void)
Definition: hevc_pel.c:534
state
static struct @344 state
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:235
CheckasmFuncVersion::ok
int ok
Definition: checkasm.c:279
arg
const char * arg
Definition: jacosubdec.c:67
func
void(* func)(void)
Definition: checkasm.c:74
AV_CPU_FLAG_RVD
#define AV_CPU_FLAG_RVD
D (double precision FP)
Definition: cpu.h:84
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:501
double_near_abs_eps_array
int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:399
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
AV_CPU_FLAG_MSA
#define AV_CPU_FLAG_MSA
Definition: cpu.h:75
COLOR_GREEN
#define COLOR_GREEN
Definition: checkasm.c:53
checkasm_check_vorbisdsp
void checkasm_check_vorbisdsp(void)
Definition: vorbisdsp.c:78
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:522
current_func
CheckasmFunc * current_func
Definition: checkasm.c:295
checkasm_check_vc1dsp
void checkasm_check_vc1dsp(void)
Definition: vc1dsp.c:441
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:34
CheckasmFunc::color
uint8_t color
Definition: checkasm.c:288
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:888
printf
printf("static const uint8_t my_array[100] = {\n")
sysfd
int sysfd
Definition: checkasm.c:305
have_neon
#define have_neon(flags)
Definition: cpu.h:26
CheckasmFuncVersion::func
void * func
Definition: checkasm.c:278
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:212
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:380
test_name
const char * test_name
Definition: checkasm.c:309
CheckasmPerf::cycles
uint64_t cycles
Definition: checkasm.h:234
checkasm_get_perf_context
CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:842
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:317
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:770
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:277
vsnprintf
#define vsnprintf
Definition: snprintf.h:36
common.h
use_color
static int use_color
Definition: log.c:123
AV_CPU_FLAG_RVV_I32
#define AV_CPU_FLAG_RVV_I32
Vectors of 8/16/32-bit int's *‍/.
Definition: cpu.h:85
checkasm_check_synth_filter
void checkasm_check_synth_filter(void)
Definition: synth_filter.c:47
cmp_func_names
static int cmp_func_names(const char *a, const char *b)
Definition: checkasm.c:544
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:70
checkasm_check_lpc
void checkasm_check_lpc(void)
Definition: lpc.c:60
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:289
is_red
#define is_red(f)
Definition: checkasm.c:569
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:310
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:220
checkasm_malloc
static void * checkasm_malloc(size_t size)
Definition: checkasm.c:472
AV_CPU_FLAG_RVI
#define AV_CPU_FLAG_RVI
I (full GPR bank)
Definition: cpu.h:82
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:817
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:308
checkasm_check_vf_sobel
void checkasm_check_vf_sobel(void)
Definition: vf_convolution.c:100
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:340
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:101
av_intfloat32::f
float f
Definition: intfloat.h:29
flag
int flag
Definition: checkasm.c:221
checkasm_check_v210enc
void checkasm_check_v210enc(void)
Definition: v210enc.c:84
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:156
checkasm_check_hevc_add_res
void checkasm_check_hevc_add_res(void)
Definition: hevc_add_res.c:87
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:322
current_func_ver
CheckasmFuncVersion * current_func_ver
Definition: checkasm.c:296
check_cpu_flag
static void check_cpu_flag(const char *name, int flag)
Definition: checkasm.c:613
bench_init_ffmpeg
static int bench_init_ffmpeg(void)
Definition: checkasm.c:672
CheckasmFunc::versions
CheckasmFuncVersion versions
Definition: checkasm.c:287
isatty
#define isatty(fd)
Definition: checkasm.c:62
AV_CPU_FLAG_RVV_I64
#define AV_CPU_FLAG_RVV_I64
Vectors of 64-bit int's *‍/.
Definition: cpu.h:87
CheckasmFunc::name
char name[1]
Definition: checkasm.c:289
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
balance_tree
static void balance_tree(CheckasmFunc **root)
Definition: checkasm.c:572
AV_CPU_FLAG_ARMV6T2
#define AV_CPU_FLAG_ARMV6T2
Definition: cpu.h:66
funcs
CheckasmFunc * funcs
Definition: checkasm.c:294
checkasm_check_opusdsp
void checkasm_check_opusdsp(void)
Definition: opusdsp.c:85