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  * Copyright © 2018, VideoLAN and dav1d authors
23  * Copyright © 2018, Two Orioles, LLC
24  * All rights reserved.
25  *
26  * Redistribution and use in source and binary forms, with or without
27  * modification, are permitted provided that the following conditions are met:
28  *
29  * 1. Redistributions of source code must retain the above copyright notice, this
30  * list of conditions and the following disclaimer.
31  *
32  * 2. Redistributions in binary form must reproduce the above copyright notice,
33  * this list of conditions and the following disclaimer in the documentation
34  * and/or other materials provided with the distribution.
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
37  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
38  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
39  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
40  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
41  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
43  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
45  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
46  */
47 
48 #include "config.h"
49 #include "config_components.h"
50 
51 #ifndef _GNU_SOURCE
52 # define _GNU_SOURCE // for syscall (performance monitoring API), strsignal()
53 #endif
54 
55 #include <signal.h>
56 #include <stdarg.h>
57 #include <stdio.h>
58 #include <stdlib.h>
59 #include <string.h>
60 #include "checkasm.h"
61 #include "libavutil/avassert.h"
62 #include "libavutil/common.h"
63 #include "libavutil/cpu.h"
64 #include "libavutil/intfloat.h"
65 #include "libavutil/random_seed.h"
66 
67 #if HAVE_IO_H
68 #include <io.h>
69 #endif
70 #if HAVE_PRCTL
71 #include <sys/prctl.h>
72 #endif
73 
74 #if defined(_WIN32) && !defined(SIGBUS)
75 /* non-standard, use the same value as mingw-w64 */
76 #define SIGBUS 10
77 #endif
78 
79 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
80 #include <windows.h>
81 #define COLOR_RED FOREGROUND_RED
82 #define COLOR_GREEN FOREGROUND_GREEN
83 #define COLOR_YELLOW (FOREGROUND_RED|FOREGROUND_GREEN)
84 #else
85 #define COLOR_RED 1
86 #define COLOR_GREEN 2
87 #define COLOR_YELLOW 3
88 #endif
89 
90 #if HAVE_UNISTD_H
91 #include <unistd.h>
92 #endif
93 
94 #if !HAVE_ISATTY
95 #define isatty(fd) 1
96 #endif
97 
98 #if ARCH_AARCH64
99 #include "libavutil/aarch64/cpu.h"
100 #elif ARCH_RISCV
101 #include "libavutil/riscv/cpu.h"
102 #endif
103 
104 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
105 #include "libavutil/arm/cpu.h"
106 
107 void (*checkasm_checked_call)(void *func, int dummy, ...) = checkasm_checked_call_novfp;
108 #endif
109 
110 /* Trade-off between speed and accuracy */
111 uint64_t bench_runs = 1U << 10;
112 
113 /* List of tests to invoke */
114 static const struct {
115  const char *name;
116  void (*func)(void);
117 } tests[] = {
118 #if CONFIG_AVCODEC
119  #if CONFIG_AAC_DECODER
120  { "aacpsdsp", checkasm_check_aacpsdsp },
121  { "sbrdsp", checkasm_check_sbrdsp },
122  #endif
123  #if CONFIG_AAC_ENCODER
124  { "aacencdsp", checkasm_check_aacencdsp },
125  #endif
126  #if CONFIG_AC3DSP
127  { "ac3dsp", checkasm_check_ac3dsp },
128  #endif
129  #if CONFIG_ALAC_DECODER
130  { "alacdsp", checkasm_check_alacdsp },
131  #endif
132  #if CONFIG_APV_DECODER
133  { "apv_dsp", checkasm_check_apv_dsp },
134  #endif
135  #if CONFIG_AUDIODSP
136  { "audiodsp", checkasm_check_audiodsp },
137  #endif
138  #if CONFIG_BLOCKDSP
139  { "blockdsp", checkasm_check_blockdsp },
140  #endif
141  #if CONFIG_BSWAPDSP
142  { "bswapdsp", checkasm_check_bswapdsp },
143  #endif
144  #if CONFIG_DCA_DECODER
145  { "dcadsp", checkasm_check_dcadsp },
146  { "synth_filter", checkasm_check_synth_filter },
147  #endif
148  #if CONFIG_DIRAC_DECODER
149  { "diracdsp", checkasm_check_diracdsp },
150  #endif
151  #if CONFIG_EXR_DECODER
152  { "exrdsp", checkasm_check_exrdsp },
153  #endif
154  #if CONFIG_FDCTDSP
155  { "fdctdsp", checkasm_check_fdctdsp },
156  #endif
157  #if CONFIG_FLAC_DECODER
158  { "flacdsp", checkasm_check_flacdsp },
159  #endif
160  #if CONFIG_FMTCONVERT
161  { "fmtconvert", checkasm_check_fmtconvert },
162  #endif
163  #if CONFIG_G722DSP
164  { "g722dsp", checkasm_check_g722dsp },
165  #endif
166  #if CONFIG_H263DSP
167  { "h263dsp", checkasm_check_h263dsp },
168  #endif
169  #if CONFIG_H264CHROMA
170  { "h264chroma", checkasm_check_h264chroma },
171  #endif
172  #if CONFIG_H264DSP
173  { "h264dsp", checkasm_check_h264dsp },
174  #endif
175  #if CONFIG_H264PRED
176  { "h264pred", checkasm_check_h264pred },
177  #endif
178  #if CONFIG_H264QPEL
179  { "h264qpel", checkasm_check_h264qpel },
180  #endif
181  #if CONFIG_HEVC_DECODER
182  { "hevc_add_res", checkasm_check_hevc_add_res },
183  { "hevc_deblock", checkasm_check_hevc_deblock },
184  { "hevc_idct", checkasm_check_hevc_idct },
185  { "hevc_pel", checkasm_check_hevc_pel },
186  { "hevc_sao", checkasm_check_hevc_sao },
187  #endif
188  #if CONFIG_HPELDSP
189  { "hpeldsp", checkasm_check_hpeldsp },
190  #endif
191  #if CONFIG_HUFFYUV_DECODER
192  { "huffyuvdsp", checkasm_check_huffyuvdsp },
193  #endif
194  #if CONFIG_IDCTDSP
195  { "idctdsp", checkasm_check_idctdsp },
196  #endif
197  #if CONFIG_JPEG2000_DECODER
198  { "jpeg2000dsp", checkasm_check_jpeg2000dsp },
199  #endif
200  #if CONFIG_LLAUDDSP
201  { "llauddsp", checkasm_check_llauddsp },
202  #endif
203  #if CONFIG_HUFFYUVDSP
204  { "llviddsp", checkasm_check_llviddsp },
205  #endif
206  #if CONFIG_LLVIDENCDSP
207  { "llviddspenc", checkasm_check_llviddspenc },
208  #endif
209  #if CONFIG_LPC
210  { "lpc", checkasm_check_lpc },
211  #endif
212  #if CONFIG_ME_CMP
213  { "motion", checkasm_check_motion },
214  #endif
215  #if CONFIG_MPEGVIDEOENCDSP
216  { "mpegvideoencdsp", checkasm_check_mpegvideoencdsp },
217  #endif
218  #if CONFIG_OPUS_DECODER
219  { "opusdsp", checkasm_check_opusdsp },
220  #endif
221  #if CONFIG_PIXBLOCKDSP
222  { "pixblockdsp", checkasm_check_pixblockdsp },
223  #endif
224  #if CONFIG_QPELDSP
225  { "qpeldsp", checkasm_check_qpeldsp },
226  #endif
227  #if CONFIG_RV34DSP
228  { "rv34dsp", checkasm_check_rv34dsp },
229  #endif
230  #if CONFIG_RV40_DECODER
231  { "rv40dsp", checkasm_check_rv40dsp },
232  #endif
233  #if CONFIG_SVQ1_ENCODER
234  { "svq1enc", checkasm_check_svq1enc },
235  #endif
236  #if CONFIG_TAK_DECODER
237  { "takdsp", checkasm_check_takdsp },
238  #endif
239  #if CONFIG_UTVIDEO_DECODER
240  { "utvideodsp", checkasm_check_utvideodsp },
241  #endif
242  #if CONFIG_V210_DECODER
243  { "v210dec", checkasm_check_v210dec },
244  #endif
245  #if CONFIG_V210_ENCODER
246  { "v210enc", checkasm_check_v210enc },
247  #endif
248  #if CONFIG_VC1DSP
249  { "vc1dsp", checkasm_check_vc1dsp },
250  #endif
251  #if CONFIG_VP8DSP
252  { "vp8dsp", checkasm_check_vp8dsp },
253  #endif
254  #if CONFIG_VP9_DECODER
255  { "vp9dsp", checkasm_check_vp9dsp },
256  #endif
257  #if CONFIG_VIDEODSP
258  { "videodsp", checkasm_check_videodsp },
259  #endif
260  #if CONFIG_VORBIS_DECODER
261  { "vorbisdsp", checkasm_check_vorbisdsp },
262  #endif
263  #if CONFIG_VVC_DECODER
264  { "vvc_alf", checkasm_check_vvc_alf },
265  { "vvc_mc", checkasm_check_vvc_mc },
266  { "vvc_sao", checkasm_check_vvc_sao },
267  #endif
268 #endif
269 #if CONFIG_AVFILTER
270  #if CONFIG_SCENE_SAD
271  { "scene_sad", checkasm_check_scene_sad },
272  #endif
273  #if CONFIG_AFIR_FILTER
274  { "af_afir", checkasm_check_afir },
275  #endif
276  #if CONFIG_BLACKDETECT_FILTER
277  { "vf_blackdetect", checkasm_check_blackdetect },
278  #endif
279  #if CONFIG_BLEND_FILTER
280  { "vf_blend", checkasm_check_blend },
281  #endif
282  #if CONFIG_BWDIF_FILTER
283  { "vf_bwdif", checkasm_check_vf_bwdif },
284  #endif
285  #if CONFIG_COLORDETECT_FILTER
286  { "vf_colordetect", checkasm_check_colordetect },
287  #endif
288  #if CONFIG_COLORSPACE_FILTER
289  { "vf_colorspace", checkasm_check_colorspace },
290  #endif
291  #if CONFIG_EQ_FILTER
292  { "vf_eq", checkasm_check_vf_eq },
293  #endif
294  #if CONFIG_GBLUR_FILTER
295  { "vf_gblur", checkasm_check_vf_gblur },
296  #endif
297  #if CONFIG_HFLIP_FILTER
298  { "vf_hflip", checkasm_check_vf_hflip },
299  #endif
300  #if CONFIG_IDET_FILTER
301  { "vf_idet", checkasm_check_idet },
302  #endif
303  #if CONFIG_NLMEANS_FILTER
304  { "vf_nlmeans", checkasm_check_nlmeans },
305  #endif
306  #if CONFIG_THRESHOLD_FILTER
307  { "vf_threshold", checkasm_check_vf_threshold },
308  #endif
309  #if CONFIG_SOBEL_FILTER
310  { "vf_sobel", checkasm_check_vf_sobel },
311  #endif
312 #endif
313 #if CONFIG_SWSCALE
314  { "sw_gbrp", checkasm_check_sw_gbrp },
315  { "sw_range_convert", checkasm_check_sw_range_convert },
316  { "sw_rgb", checkasm_check_sw_rgb },
317  { "sw_scale", checkasm_check_sw_scale },
318  { "sw_yuv2rgb", checkasm_check_sw_yuv2rgb },
319  { "sw_yuv2yuv", checkasm_check_sw_yuv2yuv },
320  { "sw_ops", checkasm_check_sw_ops },
321 #endif
322 #if CONFIG_AVUTIL
323  { "aes", checkasm_check_aes },
324  { "fixed_dsp", checkasm_check_fixed_dsp },
325  { "float_dsp", checkasm_check_float_dsp },
326  { "lls", checkasm_check_lls },
327  { "av_tx", checkasm_check_av_tx },
328 #endif
329  { NULL }
330 };
331 
332 /* List of cpu flags to check */
333 static const struct {
334  const char *name;
335  const char *suffix;
336  int flag;
337 } cpus[] = {
338 #if ARCH_AARCH64
339  { "ARMV8", "armv8", AV_CPU_FLAG_ARMV8 },
340  { "NEON", "neon", AV_CPU_FLAG_NEON },
341  { "DOTPROD", "dotprod", AV_CPU_FLAG_DOTPROD },
342  { "I8MM", "i8mm", AV_CPU_FLAG_I8MM },
343  { "SVE", "sve", AV_CPU_FLAG_SVE },
344  { "SVE2", "sve2", AV_CPU_FLAG_SVE2 },
345 #elif ARCH_ARM
346  { "ARMV5TE", "armv5te", AV_CPU_FLAG_ARMV5TE },
347  { "ARMV6", "armv6", AV_CPU_FLAG_ARMV6 },
348  { "ARMV6T2", "armv6t2", AV_CPU_FLAG_ARMV6T2 },
349  { "VFP", "vfp", AV_CPU_FLAG_VFP },
350  { "VFP_VM", "vfp_vm", AV_CPU_FLAG_VFP_VM },
351  { "VFPV3", "vfp3", AV_CPU_FLAG_VFPV3 },
352  { "NEON", "neon", AV_CPU_FLAG_NEON },
353 #elif ARCH_PPC
354  { "ALTIVEC", "altivec", AV_CPU_FLAG_ALTIVEC },
355  { "VSX", "vsx", AV_CPU_FLAG_VSX },
356  { "POWER8", "power8", AV_CPU_FLAG_POWER8 },
357 #elif ARCH_RISCV
358  { "RVI", "rvi", AV_CPU_FLAG_RVI },
359  { "misaligned", "misaligned", AV_CPU_FLAG_RV_MISALIGNED },
360  { "RV_zbb", "rvb_b", AV_CPU_FLAG_RVB_BASIC },
361  { "RVB", "rvb", AV_CPU_FLAG_RVB },
362  { "RV_zve32x","rvv_i32", AV_CPU_FLAG_RVV_I32 },
363  { "RV_zve32f","rvv_f32", AV_CPU_FLAG_RVV_F32 },
364  { "RV_zve64x","rvv_i64", AV_CPU_FLAG_RVV_I64 },
365  { "RV_zve64d","rvv_f64", AV_CPU_FLAG_RVV_F64 },
366  { "RV_zvbb", "rv_zvbb", AV_CPU_FLAG_RV_ZVBB },
367 #elif ARCH_MIPS
368  { "MMI", "mmi", AV_CPU_FLAG_MMI },
369  { "MSA", "msa", AV_CPU_FLAG_MSA },
370 #elif ARCH_X86
371  { "MMX", "mmx", AV_CPU_FLAG_MMX|AV_CPU_FLAG_CMOV },
372  { "MMXEXT", "mmxext", AV_CPU_FLAG_MMXEXT },
373  { "3DNOW", "3dnow", AV_CPU_FLAG_3DNOW },
374  { "3DNOWEXT", "3dnowext", AV_CPU_FLAG_3DNOWEXT },
375  { "SSE", "sse", AV_CPU_FLAG_SSE },
376  { "SSE2", "sse2", AV_CPU_FLAG_SSE2|AV_CPU_FLAG_SSE2SLOW },
377  { "SSE3", "sse3", AV_CPU_FLAG_SSE3|AV_CPU_FLAG_SSE3SLOW },
378  { "SSSE3", "ssse3", AV_CPU_FLAG_SSSE3|AV_CPU_FLAG_ATOM },
379  { "SSE4.1", "sse4", AV_CPU_FLAG_SSE4 },
380  { "SSE4.2", "sse42", AV_CPU_FLAG_SSE42 },
381  { "AES-NI", "aesni", AV_CPU_FLAG_AESNI },
382  { "AVX", "avx", AV_CPU_FLAG_AVX },
383  { "XOP", "xop", AV_CPU_FLAG_XOP },
384  { "FMA3", "fma3", AV_CPU_FLAG_FMA3 },
385  { "FMA4", "fma4", AV_CPU_FLAG_FMA4 },
386  { "AVX2", "avx2", AV_CPU_FLAG_AVX2 },
387  { "AVX-512", "avx512", AV_CPU_FLAG_AVX512 },
388  { "AVX-512ICL", "avx512icl", AV_CPU_FLAG_AVX512ICL },
389 #elif ARCH_LOONGARCH
390  { "LSX", "lsx", AV_CPU_FLAG_LSX },
391  { "LASX", "lasx", AV_CPU_FLAG_LASX },
392 #elif ARCH_WASM
393  { "SIMD128", "simd128", AV_CPU_FLAG_SIMD128 },
394 #endif
395  { NULL }
396 };
397 
398 typedef struct CheckasmFuncVersion {
400  void *func;
401  int ok;
402  int cpu;
405 
406 /* Binary search tree node */
407 typedef struct CheckasmFunc {
408  struct CheckasmFunc *child[2];
410  uint8_t color; /* 0 = red, 1 = black */
411  char name[1];
412 } CheckasmFunc;
413 
414 /* Internal state */
415 static struct {
419  const char *current_test_name;
420  const char *bench_pattern;
424 
425  /* perf */
426  int nop_time;
427  int sysfd;
428 
429  int cpu_flag;
430  const char *cpu_flag_name;
431  const char *test_pattern;
432  int verbose;
433  int csv;
434  int tsv;
435  volatile sig_atomic_t catch_signals;
436 } state;
437 
438 /* PRNG state */
440 
441 /* float compare support code */
442 static int is_negative(union av_intfloat32 u)
443 {
444  return u.i >> 31;
445 }
446 
447 int float_near_ulp(float a, float b, unsigned max_ulp)
448 {
449  union av_intfloat32 x, y;
450 
451  x.f = a;
452  y.f = b;
453 
454  if (is_negative(x) != is_negative(y)) {
455  // handle -0.0 == +0.0
456  return a == b;
457  }
458 
459  if (llabs((int64_t)x.i - y.i) <= max_ulp)
460  return 1;
461 
462  return 0;
463 }
464 
465 int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp,
466  unsigned len)
467 {
468  unsigned i;
469 
470  for (i = 0; i < len; i++) {
471  if (!float_near_ulp(a[i], b[i], max_ulp))
472  return 0;
473  }
474  return 1;
475 }
476 
477 int float_near_abs_eps(float a, float b, float eps)
478 {
479  float abs_diff = fabsf(a - b);
480  if (abs_diff < eps)
481  return 1;
482 
483  fprintf(stderr, "test failed comparing %g with %g (abs diff=%g with EPS=%g)\n", a, b, abs_diff, eps);
484 
485  return 0;
486 }
487 
488 int float_near_abs_eps_array(const float *a, const float *b, float eps,
489  unsigned len)
490 {
491  unsigned i;
492 
493  for (i = 0; i < len; i++) {
494  if (!float_near_abs_eps(a[i], b[i], eps))
495  return 0;
496  }
497  return 1;
498 }
499 
500 int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
501 {
502  return float_near_ulp(a, b, max_ulp) || float_near_abs_eps(a, b, eps);
503 }
504 
505 int float_near_abs_eps_array_ulp(const float *a, const float *b, float eps,
506  unsigned max_ulp, unsigned len)
507 {
508  unsigned i;
509 
510  for (i = 0; i < len; i++) {
511  if (!float_near_abs_eps_ulp(a[i], b[i], eps, max_ulp))
512  return 0;
513  }
514  return 1;
515 }
516 
517 int double_near_abs_eps(double a, double b, double eps)
518 {
519  double abs_diff = fabs(a - b);
520 
521  return abs_diff < eps;
522 }
523 
524 int double_near_abs_eps_array(const double *a, const double *b, double eps,
525  unsigned len)
526 {
527  unsigned i;
528 
529  for (i = 0; i < len; i++) {
530  if (!double_near_abs_eps(a[i], b[i], eps))
531  return 0;
532  }
533  return 1;
534 }
535 
536 /* Print colored text to stderr if the terminal supports it */
537 static void color_printf(int color, const char *fmt, ...)
538 {
539  static int use_color = -1;
540  va_list arg;
541 
542 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
543  static HANDLE con;
544  static WORD org_attributes;
545 
546  if (use_color < 0) {
547  CONSOLE_SCREEN_BUFFER_INFO con_info;
548  con = GetStdHandle(STD_ERROR_HANDLE);
549  if (con && con != INVALID_HANDLE_VALUE && GetConsoleScreenBufferInfo(con, &con_info)) {
550  org_attributes = con_info.wAttributes;
551  use_color = 1;
552  } else
553  use_color = 0;
554  }
555  if (use_color)
556  SetConsoleTextAttribute(con, (org_attributes & 0xfff0) | (color & 0x0f));
557 #else
558  if (use_color < 0) {
559  const char *term = getenv("TERM");
560  use_color = term && strcmp(term, "dumb") && isatty(2);
561  }
562  if (use_color)
563  fprintf(stderr, "\x1b[%d;3%dm", (color & 0x08) >> 3, color & 0x07);
564 #endif
565 
566  va_start(arg, fmt);
567  vfprintf(stderr, fmt, arg);
568  va_end(arg);
569 
570  if (use_color) {
571 #if HAVE_SETCONSOLETEXTATTRIBUTE && HAVE_GETSTDHANDLE
572  SetConsoleTextAttribute(con, org_attributes);
573 #else
574  fprintf(stderr, "\x1b[0m");
575 #endif
576  }
577 }
578 
579 /* Deallocate a tree */
581 {
582  if (f) {
583  CheckasmFuncVersion *v = f->versions.next;
584  while (v) {
585  CheckasmFuncVersion *next = v->next;
586  free(v);
587  v = next;
588  }
589 
590  destroy_func_tree(f->child[0]);
591  destroy_func_tree(f->child[1]);
592  free(f);
593  }
594 }
595 
596 /* Allocate a zero-initialized block, clean up and exit on failure */
597 static void *checkasm_malloc(size_t size)
598 {
599  void *ptr = calloc(1, size);
600  if (!ptr) {
601  fprintf(stderr, "checkasm: malloc failed\n");
602  destroy_func_tree(state.funcs);
603  exit(1);
604  }
605  return ptr;
606 }
607 
608 /* Get the suffix of the specified cpu flag */
609 static const char *cpu_suffix(int cpu)
610 {
611  int i = FF_ARRAY_ELEMS(cpus);
612 
613  while (--i >= 0)
614  if (cpu & cpus[i].flag)
615  return cpus[i].suffix;
616 
617  return "c";
618 }
619 
620 static int cmp_nop(const void *a, const void *b)
621 {
622  return *(const uint16_t*)a - *(const uint16_t*)b;
623 }
624 
625 /* Measure the overhead of the timing code (in decicycles) */
626 static int measure_nop_time(void)
627 {
628  uint16_t nops[10000];
629  int i, nop_sum = 0;
630  av_unused const int sysfd = state.sysfd;
631 
632  uint64_t t = 0;
633  for (i = 0; i < 10000; i++) {
634  PERF_START(t);
635  PERF_STOP(t);
636  nops[i] = t;
637  }
638 
639  qsort(nops, 10000, sizeof(uint16_t), cmp_nop);
640  for (i = 2500; i < 7500; i++)
641  nop_sum += nops[i];
642 
643  return nop_sum / 500;
644 }
645 
646 static inline double avg_cycles_per_call(const CheckasmPerf *const p)
647 {
648  if (p->iterations) {
649  const double cycles = (double)(10 * p->cycles) / p->iterations - state.nop_time;
650  if (cycles > 0.0)
651  return cycles / 32.0; /* 32 calls per iteration */
652  }
653  return 0.0;
654 }
655 
656 /* Print benchmark results */
658 {
659  if (f) {
660  CheckasmFuncVersion *v = &f->versions;
661  const CheckasmPerf *p = &v->perf;
662  const double baseline = avg_cycles_per_call(p);
663  double decicycles;
664 
665  print_benchs(f->child[0]);
666 
667  do {
668  if (p->iterations) {
669  p = &v->perf;
670  decicycles = avg_cycles_per_call(p);
671  if (state.csv || state.tsv) {
672  const char sep = state.csv ? ',' : '\t';
673  printf("%s%c%s%c%.1f\n", f->name, sep,
674  cpu_suffix(v->cpu), sep,
675  decicycles / 10.0);
676  } else {
677  const int pad_length = 10 + 50 -
678  printf("%s_%s:", f->name, cpu_suffix(v->cpu));
679  const double ratio = decicycles ?
680  baseline / decicycles : 0.0;
681  printf("%*.1f (%5.2fx)\n", FFMAX(pad_length, 0),
682  decicycles / 10.0, ratio);
683  }
684  }
685  } while ((v = v->next));
686 
687  print_benchs(f->child[1]);
688  }
689 }
690 
691 /* ASCIIbetical sort except preserving natural order for numbers */
692 static int cmp_func_names(const char *a, const char *b)
693 {
694  const char *start = a;
695  int ascii_diff, digit_diff;
696 
697  for (; !(ascii_diff = *(const unsigned char*)a - *(const unsigned char*)b) && *a; a++, b++);
698  for (; av_isdigit(*a) && av_isdigit(*b); a++, b++);
699 
700  if (a > start && av_isdigit(a[-1]) && (digit_diff = av_isdigit(*a) - av_isdigit(*b)))
701  return digit_diff;
702 
703  return ascii_diff;
704 }
705 
706 /* Perform a tree rotation in the specified direction and return the new root */
708 {
709  CheckasmFunc *r = f->child[dir^1];
710  f->child[dir^1] = r->child[dir];
711  r->child[dir] = f;
712  r->color = f->color;
713  f->color = 0;
714  return r;
715 }
716 
717 #define is_red(f) ((f) && !(f)->color)
718 
719 /* Balance a left-leaning red-black tree at the specified node */
720 static void balance_tree(CheckasmFunc **root)
721 {
722  CheckasmFunc *f = *root;
723 
724  if (is_red(f->child[0]) && is_red(f->child[1])) {
725  f->color ^= 1;
726  f->child[0]->color = f->child[1]->color = 1;
727  }
728 
729  if (!is_red(f->child[0]) && is_red(f->child[1]))
730  *root = rotate_tree(f, 0); /* Rotate left */
731  else if (is_red(f->child[0]) && is_red(f->child[0]->child[0]))
732  *root = rotate_tree(f, 1); /* Rotate right */
733 }
734 
735 /* Get a node with the specified name, creating it if it doesn't exist */
736 static CheckasmFunc *get_func(CheckasmFunc **root, const char *name)
737 {
738  CheckasmFunc *f = *root;
739 
740  if (f) {
741  /* Search the tree for a matching node */
742  int cmp = cmp_func_names(name, f->name);
743  if (cmp) {
744  f = get_func(&f->child[cmp > 0], name);
745 
746  /* Rebalance the tree on the way up if a new node was inserted */
747  if (!f->versions.func)
748  balance_tree(root);
749  }
750  } else {
751  /* Allocate and insert a new node into the tree */
752  int name_length = strlen(name);
753  f = *root = checkasm_malloc(sizeof(CheckasmFunc) + name_length);
754  memcpy(f->name, name, name_length + 1);
755  }
756 
757  return f;
758 }
759 
761 
762 /* Crash handling: attempt to catch crashes and handle them
763  * gracefully instead of just aborting abruptly. */
764 #ifdef _WIN32
765 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
766 static LONG NTAPI signal_handler(EXCEPTION_POINTERS *e) {
767  int s;
768 
769  if (!state.catch_signals)
770  return EXCEPTION_CONTINUE_SEARCH;
771 
772  switch (e->ExceptionRecord->ExceptionCode) {
773  case EXCEPTION_FLT_DIVIDE_BY_ZERO:
774  case EXCEPTION_INT_DIVIDE_BY_ZERO:
775  s = SIGFPE;
776  break;
777  case EXCEPTION_ILLEGAL_INSTRUCTION:
778  case EXCEPTION_PRIV_INSTRUCTION:
779  s = SIGILL;
780  break;
781  case EXCEPTION_ACCESS_VIOLATION:
782  case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
783  case EXCEPTION_DATATYPE_MISALIGNMENT:
784  case EXCEPTION_STACK_OVERFLOW:
785  s = SIGSEGV;
786  break;
787  case EXCEPTION_IN_PAGE_ERROR:
788  s = SIGBUS;
789  break;
790  default:
791  return EXCEPTION_CONTINUE_SEARCH;
792  }
793  state.catch_signals = 0;
795  return EXCEPTION_CONTINUE_EXECUTION; /* never reached, but shuts up gcc */
796 }
797 #endif
798 #elif !defined(_WASI_EMULATED_SIGNAL)
799 static void signal_handler(int s);
800 
801 static const struct sigaction signal_handler_act = {
802  .sa_handler = signal_handler,
803  .sa_flags = SA_RESETHAND,
804 };
805 
806 static void signal_handler(int s) {
807  if (state.catch_signals) {
808  state.catch_signals = 0;
809  sigaction(s, &signal_handler_act, NULL);
811  }
812 }
813 #endif
814 
815 /* Compares a string with a wildcard pattern. */
816 static int wildstrcmp(const char *str, const char *pattern)
817 {
818  const char *wild = strchr(pattern, '*');
819  if (wild) {
820  const size_t len = wild - pattern;
821  if (strncmp(str, pattern, len)) return 1;
822  while (*++wild == '*');
823  if (!*wild) return 0;
824  str += len;
825  while (*str && wildstrcmp(str, wild)) str++;
826  return !*str;
827  }
828  return strcmp(str, pattern);
829 }
830 
831 /* Perform tests and benchmarks for the specified cpu flag if supported by the host */
832 static void check_cpu_flag(const char *name, int flag)
833 {
834  int old_cpu_flag = state.cpu_flag;
835 
836  flag |= old_cpu_flag;
837  av_force_cpu_flags(-1);
838  state.cpu_flag = flag & av_get_cpu_flags();
839  av_force_cpu_flags(state.cpu_flag);
840 
841  if (!flag || state.cpu_flag != old_cpu_flag) {
842  int i;
843 
844  state.cpu_flag_name = name;
845  for (i = 0; tests[i].func; i++) {
846  if (state.test_pattern && wildstrcmp(tests[i].name, state.test_pattern))
847  continue;
848  state.current_test_name = tests[i].name;
849  tests[i].func();
850  }
851  }
852 }
853 
854 /* Print the name of the current CPU flag, but only do it once */
855 static void print_cpu_name(void)
856 {
857  if (state.cpu_flag_name) {
858  color_printf(COLOR_YELLOW, "%s:\n", state.cpu_flag_name);
859  state.cpu_flag_name = NULL;
860  }
861 }
862 
863 #if CONFIG_LINUX_PERF
864 static int bench_init_linux(void)
865 {
866  struct perf_event_attr attr = {
867  .type = PERF_TYPE_HARDWARE,
868  .size = sizeof(struct perf_event_attr),
869  .config = PERF_COUNT_HW_CPU_CYCLES,
870  .disabled = 1, // start counting only on demand
871  .exclude_kernel = 1,
872  .exclude_hv = 1,
873 #if !ARCH_X86
874  .exclude_guest = 1,
875 #endif
876  };
877 
878  fprintf(stderr, "benchmarking with Linux Perf Monitoring API\n");
879 
880  state.sysfd = syscall(__NR_perf_event_open, &attr, 0, -1, -1, 0);
881  if (state.sysfd == -1) {
882  perror("perf_event_open");
883  return -1;
884  }
885  return 0;
886 }
887 #elif CONFIG_MACOS_KPERF
888 static int bench_init_kperf(void)
889 {
890  ff_kperf_init();
891  return 0;
892 }
893 #else
894 static int bench_init_ffmpeg(void)
895 {
896 #ifdef AV_READ_TIME
897  if (!checkasm_save_context()) {
899  AV_READ_TIME();
901  } else {
902  fprintf(stderr, "checkasm: unable to execute platform specific timer\n");
903  return -1;
904  }
905  fprintf(stderr, "benchmarking with native FFmpeg timers\n");
906  return 0;
907 #else
908  fprintf(stderr, "checkasm: --bench is not supported on your system\n");
909  return -1;
910 #endif
911 }
912 #endif
913 
914 static int bench_init(void)
915 {
916 #if CONFIG_LINUX_PERF
917  int ret = bench_init_linux();
918 #elif CONFIG_MACOS_KPERF
919  int ret = bench_init_kperf();
920 #else
921  int ret = bench_init_ffmpeg();
922 #endif
923  if (ret < 0)
924  return ret;
925 
926  state.nop_time = measure_nop_time();
927  fprintf(stderr, "nop: %d.%d\n", state.nop_time/10, state.nop_time%10);
928  return 0;
929 }
930 
931 static void bench_uninit(void)
932 {
933 #if CONFIG_LINUX_PERF
934  close(state.sysfd);
935 #endif
936 }
937 
938 static int usage(const char *path)
939 {
940  fprintf(stderr,
941  "Usage: %s [options...] [seed]\n"
942  " --test=<pattern> Run specific test.\n"
943  " --bench Run benchmark.\n"
944  " --csv, --tsv Output results in rows of comma or tab separated values.\n"
945  " --runs=<ptwo> Manual number of benchmark iterations to run 2**<ptwo>.\n"
946  " --verbose Increase verbosity.\n",
947  path);
948  return 1;
949 }
950 
951 int main(int argc, char *argv[])
952 {
953  unsigned int seed = av_get_random_seed();
954  int i, ret = 0;
955  char arch_info_buf[50] = "";
956 
957 #ifdef _WIN32
958 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
959  AddVectoredExceptionHandler(0, signal_handler);
960 #endif
961 #elif !defined(_WASI_EMULATED_SIGNAL)
962  sigaction(SIGBUS, &signal_handler_act, NULL);
963  sigaction(SIGFPE, &signal_handler_act, NULL);
964  sigaction(SIGILL, &signal_handler_act, NULL);
965  sigaction(SIGSEGV, &signal_handler_act, NULL);
966 #endif
967 #if HAVE_PRCTL && defined(PR_SET_UNALIGN)
968  prctl(PR_SET_UNALIGN, PR_UNALIGN_SIGBUS);
969 #endif
970 #if ARCH_ARM && HAVE_ARMV5TE_EXTERNAL
972  checkasm_checked_call = checkasm_checked_call_vfp;
973 #endif
974 
975  if (!tests[0].func || !cpus[0].flag) {
976  fprintf(stderr, "checkasm: no tests to perform\n");
977  return 0;
978  }
979 
980  for (i = 1; i < argc; i++) {
981  const char *arg = argv[i];
982  unsigned long l;
983  char *end;
984 
985  if (!strncmp(arg, "--bench", 7)) {
986  if (bench_init() < 0)
987  return 1;
988  if (arg[7] == '=') {
989  state.bench_pattern = arg + 8;
990  state.bench_pattern_len = strlen(state.bench_pattern);
991  } else
992  state.bench_pattern = "*";
993  } else if (!strncmp(arg, "--test=", 7)) {
994  state.test_pattern = arg + 7;
995  } else if (!strcmp(arg, "--csv")) {
996  state.csv = 1; state.tsv = 0;
997  } else if (!strcmp(arg, "--tsv")) {
998  state.csv = 0; state.tsv = 1;
999  } else if (!strcmp(arg, "--verbose") || !strcmp(arg, "-v")) {
1000  state.verbose = 1;
1001  } else if (!strncmp(arg, "--runs=", 7)) {
1002  l = strtoul(arg + 7, &end, 10);
1003  if (*end == '\0') {
1004  if (l > 30) {
1005  fprintf(stderr, "checkasm: error: runs exponent must be within the range 0 <= 30\n");
1006  usage(argv[0]);
1007  }
1008  bench_runs = 1U << l;
1009  } else {
1010  return usage(argv[0]);
1011  }
1012  } else if ((l = strtoul(arg, &end, 10)) <= UINT_MAX &&
1013  *end == '\0') {
1014  seed = l;
1015  } else {
1016  return usage(argv[0]);
1017  }
1018  }
1019 
1020 #if ARCH_AARCH64 && HAVE_SVE
1021  if (have_sve(av_get_cpu_flags()))
1022  snprintf(arch_info_buf, sizeof(arch_info_buf),
1023  "SVE %d bits, ", 8 * ff_aarch64_sve_length());
1024 #elif ARCH_RISCV && HAVE_RVV
1026  snprintf(arch_info_buf, sizeof (arch_info_buf),
1027  "%zu-bit vectors, ", 8 * ff_get_rv_vlenb());
1028 #endif
1029  fprintf(stderr, "checkasm: %susing random seed %u\n", arch_info_buf, seed);
1031 
1032  if (state.bench_pattern)
1033  fprintf(stderr, "checkasm: bench runs %" PRIu64 " (1 << %i)\n", bench_runs, av_log2(bench_runs));
1034 
1035  check_cpu_flag(NULL, 0);
1036  for (i = 0; cpus[i].flag; i++)
1038 
1039  if (state.num_failed) {
1040  fprintf(stderr, "checkasm: %d of %d tests have failed\n", state.num_failed, state.num_checked);
1041  ret = 1;
1042  } else {
1043  fprintf(stderr, "checkasm: all %d tests passed\n", state.num_checked);
1044  if (state.bench_pattern) {
1045  print_benchs(state.funcs);
1046  }
1047  }
1048 
1049  destroy_func_tree(state.funcs);
1050  bench_uninit();
1051  return ret;
1052 }
1053 
1054 /* Decide whether or not the specified function needs to be tested and
1055  * allocate/initialize data structures if needed. Returns a pointer to a
1056  * reference function if the function should be tested, otherwise NULL */
1057 void *checkasm_check_func(void *func, const char *name, ...)
1058 {
1059  char name_buf[256];
1060  void *ref = func;
1062  int name_length;
1063  va_list arg;
1064 
1065  va_start(arg, name);
1066  name_length = vsnprintf(name_buf, sizeof(name_buf), name, arg);
1067  va_end(arg);
1068 
1069  if (!func || name_length <= 0 || name_length >= sizeof(name_buf))
1070  return NULL;
1071 
1072  state.current_func = get_func(&state.funcs, name_buf);
1073  state.funcs->color = 1;
1074  v = &state.current_func->versions;
1075 
1076  if (v->func) {
1077  CheckasmFuncVersion *prev;
1078  do {
1079  /* Only test functions that haven't already been tested */
1080  if (v->func == func)
1081  return NULL;
1082 
1083  if (v->ok)
1084  ref = v->func;
1085 
1086  prev = v;
1087  } while ((v = v->next));
1088 
1089  v = prev->next = checkasm_malloc(sizeof(CheckasmFuncVersion));
1090  }
1091 
1092  v->func = func;
1093  v->ok = 1;
1094  v->cpu = state.cpu_flag;
1095  state.current_func_ver = v;
1096 
1097  if (state.cpu_flag)
1098  state.num_checked++;
1099 
1100  return ref;
1101 }
1102 
1103 /* Decide whether or not the current function needs to be benchmarked */
1105 {
1106  return !state.num_failed && state.bench_pattern &&
1107  !wildstrcmp(state.current_func->name, state.bench_pattern);
1108 }
1109 
1110 /* Indicate that the current test has failed, return whether verbose printing
1111  * is requested. */
1112 int checkasm_fail_func(const char *msg, ...)
1113 {
1114  if (state.current_func_ver && state.current_func_ver->cpu &&
1115  state.current_func_ver->ok)
1116  {
1117  va_list arg;
1118 
1119  print_cpu_name();
1120  fprintf(stderr, " %s_%s (", state.current_func->name, cpu_suffix(state.current_func_ver->cpu));
1121  va_start(arg, msg);
1122  vfprintf(stderr, msg, arg);
1123  va_end(arg);
1124  fprintf(stderr, ")\n");
1125 
1126  state.current_func_ver->ok = 0;
1127  state.num_failed++;
1128  }
1129  return state.verbose;
1130 }
1131 
1133  state.catch_signals = enabled;
1134 }
1135 
1137  if (s) {
1138 #ifdef __GLIBC__
1139  checkasm_fail_func("fatal signal %d: %s", s, strsignal(s));
1140 #else
1141  checkasm_fail_func(s == SIGFPE ? "fatal arithmetic error" :
1142  s == SIGILL ? "illegal instruction" :
1143  s == SIGBUS ? "bus error" :
1144  "segmentation fault");
1145 #endif
1146  }
1147  return s;
1148 }
1149 
1150 /* Get the benchmark context of the current function */
1152 {
1153  CheckasmPerf *perf = &state.current_func_ver->perf;
1154  memset(perf, 0, sizeof(*perf));
1155  perf->sysfd = state.sysfd;
1156  return perf;
1157 }
1158 
1159 /* Print the outcome of all tests performed since the last time this function was called */
1160 void checkasm_report(const char *name, ...)
1161 {
1162  static int prev_checked, prev_failed, max_length;
1163 
1164  if (state.num_checked > prev_checked) {
1165  int pad_length = max_length + 4;
1166  va_list arg;
1167 
1168  print_cpu_name();
1169  pad_length -= fprintf(stderr, " - %s.", state.current_test_name);
1170  va_start(arg, name);
1171  pad_length -= vfprintf(stderr, name, arg);
1172  va_end(arg);
1173  fprintf(stderr, "%*c", FFMAX(pad_length, 0) + 2, '[');
1174 
1175  if (state.num_failed == prev_failed)
1176  color_printf(COLOR_GREEN, "OK");
1177  else
1178  color_printf(COLOR_RED, "FAILED");
1179  fprintf(stderr, "]\n");
1180 
1181  prev_checked = state.num_checked;
1182  prev_failed = state.num_failed;
1183  } else if (!state.cpu_flag) {
1184  /* Calculate the amount of padding required to make the output vertically aligned */
1185  int length = strlen(state.current_test_name);
1186  va_list arg;
1187 
1188  va_start(arg, name);
1189  length += vsnprintf(NULL, 0, name, arg);
1190  va_end(arg);
1191 
1192  if (length > max_length)
1193  max_length = length;
1194  }
1195 }
1196 
1197 static int check_err(const char *file, int line,
1198  const char *name, int w, int h,
1199  int *err)
1200 {
1201  if (*err)
1202  return 0;
1203  if (!checkasm_fail_func("%s:%d", file, line))
1204  return 1;
1205  *err = 1;
1206  fprintf(stderr, "%s (%dx%d):\n", name, w, h);
1207  return 0;
1208 }
1209 
1210 #define DEF_CHECKASM_CHECK_BODY(compare, type, fmt) \
1211 do { \
1212  int64_t aligned_w = (w - 1LL + align_w) & ~(align_w - 1); \
1213  int64_t aligned_h = (h - 1LL + align_h) & ~(align_h - 1); \
1214  int err = 0; \
1215  int y = 0; \
1216  av_assert0(aligned_w == (int32_t)aligned_w);\
1217  av_assert0(aligned_h == (int32_t)aligned_h);\
1218  stride1 /= sizeof(*buf1); \
1219  stride2 /= sizeof(*buf2); \
1220  for (y = 0; y < h; y++) \
1221  if (!compare(&buf1[y*stride1], &buf2[y*stride2], w)) \
1222  break; \
1223  if (y != h) { \
1224  if (check_err(file, line, name, w, h, &err)) \
1225  return 1; \
1226  for (y = 0; y < h; y++) { \
1227  for (int x = 0; x < w; x++) \
1228  fprintf(stderr, " " fmt, buf1[x]); \
1229  fprintf(stderr, " "); \
1230  for (int x = 0; x < w; x++) \
1231  fprintf(stderr, " " fmt, buf2[x]); \
1232  fprintf(stderr, " "); \
1233  for (int x = 0; x < w; x++) \
1234  fprintf(stderr, "%c", buf1[x] != buf2[x] ? 'x' : '.'); \
1235  buf1 += stride1; \
1236  buf2 += stride2; \
1237  fprintf(stderr, "\n"); \
1238  } \
1239  buf1 -= h*stride1; \
1240  buf2 -= h*stride2; \
1241  } \
1242  for (y = -padding; y < 0; y++) \
1243  if (!compare(&buf1[y*stride1 - padding], &buf2[y*stride2 - padding], \
1244  w + 2*padding)) { \
1245  if (check_err(file, line, name, w, h, &err)) \
1246  return 1; \
1247  fprintf(stderr, " overwrite above\n"); \
1248  break; \
1249  } \
1250  for (y = aligned_h; y < aligned_h + padding; y++) \
1251  if (!compare(&buf1[y*stride1 - padding], &buf2[y*stride2 - padding], \
1252  w + 2*padding)) { \
1253  if (check_err(file, line, name, w, h, &err)) \
1254  return 1; \
1255  fprintf(stderr, " overwrite below\n"); \
1256  break; \
1257  } \
1258  for (y = 0; y < h; y++) \
1259  if (!compare(&buf1[y*stride1 - padding], &buf2[y*stride2 - padding], \
1260  padding)) { \
1261  if (check_err(file, line, name, w, h, &err)) \
1262  return 1; \
1263  fprintf(stderr, " overwrite left\n"); \
1264  break; \
1265  } \
1266  for (y = 0; y < h; y++) \
1267  if (!compare(&buf1[y*stride1 + aligned_w], &buf2[y*stride2 + aligned_w], \
1268  padding)) { \
1269  if (check_err(file, line, name, w, h, &err)) \
1270  return 1; \
1271  fprintf(stderr, " overwrite right\n"); \
1272  break; \
1273  } \
1274  return err; \
1275 } while (0)
1276 
1277 #define cmp_int(a, b, len) (!memcmp(a, b, (len) * sizeof(*(a))))
1278 #define DEF_CHECKASM_CHECK_FUNC(type, fmt) \
1279 int checkasm_check_##type(const char *file, int line, \
1280  const type *buf1, ptrdiff_t stride1, \
1281  const type *buf2, ptrdiff_t stride2, \
1282  int w, int h, const char *name, \
1283  int align_w, int align_h, \
1284  int padding) \
1285 { \
1286  DEF_CHECKASM_CHECK_BODY(cmp_int, type, fmt); \
1287 }
1288 
1289 DEF_CHECKASM_CHECK_FUNC(uint8_t, "%02x")
1290 DEF_CHECKASM_CHECK_FUNC(uint16_t, "%04x")
1291 DEF_CHECKASM_CHECK_FUNC(uint32_t, "%08x")
1292 DEF_CHECKASM_CHECK_FUNC(int16_t, "%6d")
1294 
1295 int checkasm_check_float_ulp(const char *file, int line,
1296  const float *buf1, ptrdiff_t stride1,
1297  const float *buf2, ptrdiff_t stride2,
1298  int w, int h, const char *name,
1299  unsigned max_ulp, int align_w, int align_h,
1300  int padding)
1301 {
1302  #define cmp_float(a, b, len) float_near_ulp_array(a, b, max_ulp, len)
1303  DEF_CHECKASM_CHECK_BODY(cmp_float, float, "%g");
1304  #undef cmp_float
1305 }
checkasm_check_nlmeans
void checkasm_check_nlmeans(void)
Definition: vf_nlmeans.c:32
AV_CPU_FLAG_VFP
#define AV_CPU_FLAG_VFP
Definition: cpu.h:68
checkasm_check_sw_gbrp
void checkasm_check_sw_gbrp(void)
Definition: sw_gbrp.c:398
bench_pattern_len
int bench_pattern_len
Definition: checkasm.c:421
av_force_cpu_flags
void av_force_cpu_flags(int arg)
Disables cpu detection and forces the specified flags.
Definition: cpu.c:81
checkasm_check_vp8dsp
void checkasm_check_vp8dsp(void)
Definition: vp8dsp.c:511
checkasm_check_idet
void checkasm_check_idet(void)
Definition: vf_idet.c:58
checkasm_check_blockdsp
void checkasm_check_blockdsp(void)
Definition: blockdsp.c:78
AV_CPU_FLAG_SSE3
#define AV_CPU_FLAG_SSE3
Prescott SSE3 functions.
Definition: cpu.h:39
checkasm_check_fdctdsp
void checkasm_check_fdctdsp(void)
Definition: fdctdsp.c:67
destroy_func_tree
static void destroy_func_tree(CheckasmFunc *f)
Definition: checkasm.c:580
r
const char * r
Definition: vf_curves.c:127
printf
__device__ int printf(const char *,...)
checkasm_check_videodsp
void checkasm_check_videodsp(void)
Definition: videodsp.c:80
cmp_nop
static int cmp_nop(const void *a, const void *b)
Definition: checkasm.c:620
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:96
COLOR_RED
#define COLOR_RED
Definition: checkasm.c:85
checkasm_check_dcadsp
void checkasm_check_dcadsp(void)
Definition: dcadsp.c:89
wildstrcmp
static int wildstrcmp(const char *str, const char *pattern)
Definition: checkasm.c:816
checkasm_lfg
AVLFG checkasm_lfg
Definition: checkasm.c:439
color
Definition: vf_paletteuse.c:513
av_lfg_init
av_cold void av_lfg_init(AVLFG *c, unsigned int seed)
Definition: lfg.c:32
checkasm_check_alacdsp
void checkasm_check_alacdsp(void)
Definition: alacdsp.c:116
AV_CPU_FLAG_LSX
#define AV_CPU_FLAG_LSX
Definition: cpu.h:83
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:488
AV_CPU_FLAG_SSE3SLOW
#define AV_CPU_FLAG_SSE3SLOW
SSE3 supported, but usually not faster.
Definition: cpu.h:40
CheckasmFunc
Definition: checkasm.c:407
checkasm_check_sw_yuv2yuv
void checkasm_check_sw_yuv2yuv(void)
Definition: sw_yuv2yuv.c:131
name
const char * name
Definition: checkasm.c:115
checkasm_fail_func
int checkasm_fail_func(const char *msg,...)
Definition: checkasm.c:1112
bench_pattern
const char * bench_pattern
Definition: checkasm.c:420
AV_CPU_FLAG_RV_ZVBB
#define AV_CPU_FLAG_RV_ZVBB
Vector basic bit-manipulations.
Definition: cpu.h:100
int64_t
long long int64_t
Definition: coverity.c:34
av_unused
#define av_unused
Definition: attributes.h:145
checkasm_check_hevc_idct
void checkasm_check_hevc_idct(void)
Definition: hevc_idct.c:108
cpus
static const struct @526 cpus[]
checkasm_check_sw_scale
void checkasm_check_sw_scale(void)
Definition: sw_scale.c:460
CheckasmFunc::child
struct CheckasmFunc * child[2]
Definition: checkasm.c:408
AV_CPU_FLAG_SVE2
#define AV_CPU_FLAG_SVE2
Definition: cpu.h:76
checkasm_check_afir
void checkasm_check_afir(void)
Definition: af_afir.c:144
checkasm_check_aes
void checkasm_check_aes(void)
Definition: aes.c:28
print_cpu_name
static void print_cpu_name(void)
Definition: checkasm.c:855
AV_CPU_FLAG_3DNOW
#define AV_CPU_FLAG_3DNOW
AMD 3DNOW.
Definition: cpu.h:33
w
uint8_t w
Definition: llviddspenc.c:38
u
#define u(width, name, range_min, range_max)
Definition: cbs_apv.c:68
av_intfloat32::i
uint32_t i
Definition: intfloat.h:28
AV_CPU_FLAG_SVE
#define AV_CPU_FLAG_SVE
Definition: cpu.h:75
float_near_abs_eps
int float_near_abs_eps(float a, float b, float eps)
Definition: checkasm.c:477
b
#define b
Definition: input.c:42
state
static struct @527 state
checkasm_check_aacpsdsp
void checkasm_check_aacpsdsp(void)
Definition: aacpsdsp.c:234
bench_uninit
static void bench_uninit(void)
Definition: checkasm.c:931
CheckasmFuncVersion::cpu
int cpu
Definition: checkasm.c:402
cpu_flag
int cpu_flag
Definition: checkasm.c:429
AV_CPU_FLAG_DOTPROD
#define AV_CPU_FLAG_DOTPROD
Definition: cpu.h:73
checkasm_check_vvc_sao
void checkasm_check_vvc_sao(void)
Definition: vvc_sao.c:134
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:109
cpu_suffix
static const char * cpu_suffix(int cpu)
Definition: checkasm.c:609
CheckasmPerf::sysfd
int sysfd
Definition: checkasm.h:327
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:499
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:537
AV_CPU_FLAG_RVV_F64
#define AV_CPU_FLAG_RVV_F64
Vectors of double's.
Definition: cpu.h:95
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:196
main
int main(int argc, char *argv[])
Definition: checkasm.c:951
checkasm_check_float_ulp
int checkasm_check_float_ulp(const char *file, int line, const float *buf1, ptrdiff_t stride1, const float *buf2, ptrdiff_t stride2, int w, int h, const char *name, unsigned max_ulp, int align_w, int align_h, int padding)
Definition: checkasm.c:1295
checkasm_check_motion
void checkasm_check_motion(void)
Definition: motion.c:137
close
static av_cold void close(AVCodecParserContext *s)
Definition: apv_parser.c:135
checkasm_check_h263dsp
void checkasm_check_h263dsp(void)
Definition: h263dsp.c:54
AV_CPU_FLAG_RVB
#define AV_CPU_FLAG_RVB
B (bit manipulations)
Definition: cpu.h:102
AV_CPU_FLAG_SSSE3
#define AV_CPU_FLAG_SSSE3
Conroe SSSE3 functions.
Definition: cpu.h:42
double_near_abs_eps
int double_near_abs_eps(double a, double b, double eps)
Definition: checkasm.c:517
CheckasmPerf
Definition: checkasm.h:326
current_test_name
const char * current_test_name
Definition: checkasm.c:419
PERF_START
#define PERF_START(t)
Definition: checkasm.h:399
rotate_tree
static CheckasmFunc * rotate_tree(CheckasmFunc *f, int dir)
Definition: checkasm.c:707
dummy
int dummy
Definition: motion.c:66
AV_CPU_FLAG_XOP
#define AV_CPU_FLAG_XOP
Bulldozer XOP functions.
Definition: cpu.h:50
checkasm_check_vp9dsp
void checkasm_check_vp9dsp(void)
Definition: vp9dsp.c:627
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:82
AV_CPU_FLAG_3DNOWEXT
#define AV_CPU_FLAG_3DNOWEXT
AMD 3DNowExt.
Definition: cpu.h:38
float_near_abs_eps_ulp
int float_near_abs_eps_ulp(float a, float b, float eps, unsigned max_ulp)
Definition: checkasm.c:500
have_sve
#define have_sve(flags)
Definition: cpu.h:30
checkasm_check_vvc_mc
void checkasm_check_vvc_mc(void)
Definition: vvc_mc.c:471
AV_CPU_FLAG_VSX
#define AV_CPU_FLAG_VSX
ISA 2.06.
Definition: cpu.h:62
fabsf
static __device__ float fabsf(float a)
Definition: cuda_runtime.h:181
checkasm_check_sw_yuv2rgb
void checkasm_check_sw_yuv2rgb(void)
Definition: sw_yuv2rgb.c:233
AV_CPU_FLAG_RVV_F32
#define AV_CPU_FLAG_RVV_F32
Vectors of float's *‍/.
Definition: cpu.h:93
num_failed
int num_failed
Definition: checkasm.c:423
checkasm_check_float_dsp
void checkasm_check_float_dsp(void)
Definition: float_dsp.c:297
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:57
bench_init
static int bench_init(void)
Definition: checkasm.c:914
avassert.h
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:398
COLOR_YELLOW
#define COLOR_YELLOW
Definition: checkasm.c:87
nop_time
int nop_time
Definition: checkasm.c:426
CheckasmFuncVersion::perf
CheckasmPerf perf
Definition: checkasm.c:403
s
#define s(width, name)
Definition: cbs_vp9.c:198
checkasm_check_vf_bwdif
void checkasm_check_vf_bwdif(void)
Definition: vf_bwdif.c:72
checkasm_report
void checkasm_report(const char *name,...)
Definition: checkasm.c:1160
get_func
static CheckasmFunc * get_func(CheckasmFunc **root, const char *name)
Definition: checkasm.c:736
cpu.h
checkasm_check_sw_rgb
void checkasm_check_sw_rgb(void)
Definition: sw_rgb.c:804
checkasm_check_hevc_sao
void checkasm_check_hevc_sao(void)
Definition: hevc_sao.c:136
num_checked
int num_checked
Definition: checkasm.c:422
AV_CPU_FLAG_ARMV6
#define AV_CPU_FLAG_ARMV6
Definition: cpu.h:66
AV_READ_TIME
#define AV_READ_TIME
Definition: timer.h:28
AV_CPU_FLAG_SSE4
#define AV_CPU_FLAG_SSE4
Penryn SSE4.1 functions.
Definition: cpu.h:45
checkasm_check_hevc_pel
void checkasm_check_hevc_pel(void)
Definition: hevc_pel.c:621
checkasm_set_signal_handler_state
void checkasm_set_signal_handler_state(int enabled)
Definition: checkasm.c:1132
CheckasmFuncVersion::ok
int ok
Definition: checkasm.c:401
arg
const char * arg
Definition: jacosubdec.c:67
func
void(* func)(void)
Definition: checkasm.c:116
cmp_float
#define cmp_float(a, b, len)
tests
static const struct @525 tests[]
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:626
checkasm_check_takdsp
void checkasm_check_takdsp(void)
Definition: takdsp.c:145
double_near_abs_eps_array
int double_near_abs_eps_array(const double *a, const double *b, double eps, unsigned len)
Definition: checkasm.c:524
checkasm_check_sw_ops
void checkasm_check_sw_ops(void)
Definition: sw_ops.c:752
AV_CPU_FLAG_LASX
#define AV_CPU_FLAG_LASX
Definition: cpu.h:84
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:58
checkasm_check_fmtconvert
void checkasm_check_fmtconvert(void)
Definition: fmtconvert.c:46
checkasm_load_context
#define checkasm_load_context(s)
Definition: checkasm.h:77
AV_CPU_FLAG_MSA
#define AV_CPU_FLAG_MSA
Definition: cpu.h:80
checkasm_save_context
#define checkasm_save_context()
Definition: checkasm.h:76
COLOR_GREEN
#define COLOR_GREEN
Definition: checkasm.c:86
checkasm_check_aacencdsp
void checkasm_check_aacencdsp(void)
Definition: aacencdsp.c:100
checkasm_check_vorbisdsp
void checkasm_check_vorbisdsp(void)
Definition: vorbisdsp.c:76
cpu.h
double
double
Definition: af_crystalizer.c:132
av_intfloat32
Definition: intfloat.h:27
checkasm_check_apv_dsp
void checkasm_check_apv_dsp(void)
Definition: apv_dsp.c:96
AV_CPU_FLAG_CMOV
#define AV_CPU_FLAG_CMOV
supports cmov instruction
Definition: cpu.h:52
seed
static unsigned int seed
Definition: videogen.c:78
checkasm_check_hpeldsp
void checkasm_check_hpeldsp(void)
Definition: hpeldsp.c:54
AV_CPU_FLAG_ALTIVEC
#define AV_CPU_FLAG_ALTIVEC
standard
Definition: cpu.h:61
checkasm_check_rv40dsp
void checkasm_check_rv40dsp(void)
Definition: rv40dsp.c:71
print_benchs
static void print_benchs(CheckasmFunc *f)
Definition: checkasm.c:657
current_func
CheckasmFunc * current_func
Definition: checkasm.c:417
AV_CPU_FLAG_I8MM
#define AV_CPU_FLAG_I8MM
Definition: cpu.h:74
checkasm_check_vc1dsp
void checkasm_check_vc1dsp(void)
Definition: vc1dsp.c:476
catch_signals
volatile sig_atomic_t catch_signals
Definition: checkasm.c:435
checkasm_check_h264chroma
void checkasm_check_h264chroma(void)
Definition: h264chroma.c:81
AV_CPU_FLAG_SSE2
#define AV_CPU_FLAG_SSE2
PIV SSE2 functions.
Definition: cpu.h:35
CheckasmFunc::color
uint8_t color
Definition: checkasm.c:410
AVLFG
Context structure for the Lagged Fibonacci PRNG.
Definition: lfg.h:33
f
f
Definition: af_crystalizer.c:122
checkasm_check_llauddsp
void checkasm_check_llauddsp(void)
Definition: llauddsp.c:108
AV_CPU_FLAG_AVX
#define AV_CPU_FLAG_AVX
AVX functions: requires OS support even if YMM registers aren't used.
Definition: cpu.h:48
csv
int csv
Definition: checkasm.c:433
AV_CPU_FLAG_FMA4
#define AV_CPU_FLAG_FMA4
Bulldozer FMA4 functions.
Definition: cpu.h:51
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:53
checkasm_check_llviddsp
void checkasm_check_llviddsp(void)
Definition: llviddsp.c:195
checkasm_handle_signal
int checkasm_handle_signal(int s)
Definition: checkasm.c:1136
AV_CPU_FLAG_SSE2SLOW
#define AV_CPU_FLAG_SSE2SLOW
SSE2 supported, but usually not faster.
Definition: cpu.h:36
AV_CPU_FLAG_NEON
#define AV_CPU_FLAG_NEON
Definition: cpu.h:70
size
int size
Definition: twinvq_data.h:10344
checkasm_check_diracdsp
void checkasm_check_diracdsp(void)
Definition: diracdsp.c:85
DEF_CHECKASM_CHECK_FUNC
#define DEF_CHECKASM_CHECK_FUNC(type, fmt)
Definition: checkasm.c:1278
sysfd
int sysfd
Definition: checkasm.c:427
cmp
static av_always_inline int cmp(MPVEncContext *const 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:263
have_neon
#define have_neon(flags)
Definition: cpu.h:26
CheckasmFuncVersion::func
void * func
Definition: checkasm.c:400
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:202
AV_CPU_FLAG_FMA3
#define AV_CPU_FLAG_FMA3
Haswell FMA3 functions.
Definition: cpu.h:54
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:102
bench_runs
uint64_t bench_runs
Definition: checkasm.c:111
checkasm_check_huffyuvdsp
void checkasm_check_huffyuvdsp(void)
Definition: huffyuvdsp.c:95
line
Definition: graph2dot.c:48
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:505
checkasm_get_perf_context
CheckasmPerf * checkasm_get_perf_context(void)
Definition: checkasm.c:1151
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:90
is_negative
static int is_negative(union av_intfloat32 u)
Definition: checkasm.c:442
checkasm_check_audiodsp
void checkasm_check_audiodsp(void)
Definition: audiodsp.c:52
checkasm_check_sw_range_convert
void checkasm_check_sw_range_convert(void)
Definition: sw_range_convert.c:224
AV_CPU_FLAG_RV_MISALIGNED
#define AV_CPU_FLAG_RV_MISALIGNED
Fast misaligned accesses.
Definition: cpu.h:101
checkasm_check_mpegvideoencdsp
void checkasm_check_mpegvideoencdsp(void)
Definition: mpegvideoencdsp.c:132
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:256
AV_CPU_FLAG_SIMD128
#define AV_CPU_FLAG_SIMD128
Definition: cpu.h:105
checkasm_check_flacdsp
void checkasm_check_flacdsp(void)
Definition: flacdsp.c:155
checkasm_check_func
void * checkasm_check_func(void *func, const char *name,...)
Definition: checkasm.c:1057
AV_CPU_FLAG_SSE42
#define AV_CPU_FLAG_SSE42
Nehalem SSE4.2 functions.
Definition: cpu.h:46
checkasm_check_idctdsp
void checkasm_check_idctdsp(void)
Definition: idctdsp.c:95
CheckasmFuncVersion::next
struct CheckasmFuncVersion * next
Definition: checkasm.c:399
vsnprintf
#define vsnprintf
Definition: snprintf.h:36
common.h
use_color
static int use_color
Definition: log.c:127
AV_CPU_FLAG_RVV_I32
#define AV_CPU_FLAG_RVV_I32
Vectors of 8/16/32-bit int's *‍/.
Definition: cpu.h:92
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:692
AV_CPU_FLAG_ARMV8
#define AV_CPU_FLAG_ARMV8
Definition: cpu.h:71
checkasm_check_lpc
void checkasm_check_lpc(void)
Definition: lpc.c:96
len
int len
Definition: vorbis_enc_data.h:426
checkasm_check_g722dsp
void checkasm_check_g722dsp(void)
Definition: g722dsp.c:53
checkasm_check_ac3dsp
void checkasm_check_ac3dsp(void)
Definition: ac3dsp.c:193
PERF_STOP
#define PERF_STOP(t)
Definition: checkasm.h:400
is_red
#define is_red(f)
Definition: checkasm.c:717
AV_CPU_FLAG_ATOM
#define AV_CPU_FLAG_ATOM
Atom processor, some SSSE3 instructions are slower.
Definition: cpu.h:44
have_vfp
#define have_vfp(flags)
Definition: cpu.h:27
checkasm_check_svq1enc
void checkasm_check_svq1enc(void)
Definition: svq1enc.c:63
checkasm_check_vf_hflip
void checkasm_check_vf_hflip(void)
Definition: vf_hflip.c:72
ret
ret
Definition: filter_design.txt:187
checkasm_check_lls
void checkasm_check_lls(void)
Definition: lls.c:84
checkasm_check_scene_sad
void checkasm_check_scene_sad(void)
Definition: scene_sad.c:66
checkasm_check_blend
void checkasm_check_blend(void)
Definition: vf_blend.c:89
verbose
int verbose
Definition: checkasm.c:432
DEF_CHECKASM_CHECK_BODY
#define DEF_CHECKASM_CHECK_BODY(compare, type, fmt)
Definition: checkasm.c:1210
AV_CPU_FLAG_VFPV3
#define AV_CPU_FLAG_VFPV3
Definition: cpu.h:69
checkasm_check_bswapdsp
void checkasm_check_bswapdsp(void)
Definition: bswapdsp.c:60
checkasm_context_buf
checkasm_context checkasm_context_buf
Definition: checkasm.c:760
U
#define U(x)
Definition: vpx_arith.h:37
AV_CPU_FLAG_ARMV5TE
#define AV_CPU_FLAG_ARMV5TE
Definition: cpu.h:65
AV_CPU_FLAG_MMX
#define AV_CPU_FLAG_MMX
standard MMX
Definition: cpu.h:30
suffix
const char * suffix
Definition: checkasm.c:335
checkasm_malloc
static void * checkasm_malloc(size_t size)
Definition: checkasm.c:597
AV_CPU_FLAG_RVI
#define AV_CPU_FLAG_RVI
I (full GPR bank)
Definition: cpu.h:87
checkasm_check_h264qpel
void checkasm_check_h264qpel(void)
Definition: h264qpel.c:51
random_seed.h
signal_handler
static void signal_handler(int s)
Definition: checkasm.c:806
checkasm_check_colordetect
void checkasm_check_colordetect(void)
Definition: vf_colordetect.c:135
AV_CPU_FLAG_AESNI
#define AV_CPU_FLAG_AESNI
Advanced Encryption Standard functions.
Definition: cpu.h:47
checkasm_bench_func
int checkasm_bench_func(void)
Definition: checkasm.c:1104
AV_CPU_FLAG_POWER8
#define AV_CPU_FLAG_POWER8
ISA 2.07.
Definition: cpu.h:63
cpu_flag_name
const char * cpu_flag_name
Definition: checkasm.c:430
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:34
ref
static int ref[MAX_W *MAX_W]
Definition: jpeg2000dwt.c:117
float_near_ulp_array
int float_near_ulp_array(const float *a, const float *b, unsigned max_ulp, unsigned len)
Definition: checkasm.c:465
signal_handler_act
static const struct sigaction signal_handler_act
Definition: checkasm.c:801
AV_CPU_FLAG_MMXEXT
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:31
Windows::Graphics::DirectX::Direct3D11::p
IDirect3DDxgiInterfaceAccess _COM_Outptr_ void ** p
Definition: vsrc_gfxcapture_winrt.hpp:53
checkasm_check_av_tx
void checkasm_check_av_tx(void)
Definition: av_tx.c:102
checkasm_check_qpeldsp
void checkasm_check_qpeldsp(void)
Definition: qpeldsp.c:52
checkasm_check_blackdetect
void checkasm_check_blackdetect(void)
Definition: vf_blackdetect.c:62
av_intfloat32::f
float f
Definition: intfloat.h:29
flag
int flag
Definition: checkasm.c:336
checkasm_check_v210enc
void checkasm_check_v210enc(void)
Definition: v210enc.c:83
checkasm_check_sbrdsp
void checkasm_check_sbrdsp(void)
Definition: sbrdsp.c:257
checkasm_check_hevc_deblock
void checkasm_check_hevc_deblock(void)
Definition: hevc_deblock.c:264
test_pattern
const char * test_pattern
Definition: checkasm.c:431
usage
static int usage(const char *path)
Definition: checkasm.c:938
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:72
AV_CPU_FLAG_MMI
#define AV_CPU_FLAG_MMI
Definition: cpu.h:79
checkasm_check_jpeg2000dsp
void checkasm_check_jpeg2000dsp(void)
Definition: jpeg2000dsp.c:92
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:447
current_func_ver
CheckasmFuncVersion * current_func_ver
Definition: checkasm.c:418
check_cpu_flag
static void check_cpu_flag(const char *name, int flag)
Definition: checkasm.c:832
checkasm_context
sigjmp_buf checkasm_context
Definition: checkasm.h:75
bench_init_ffmpeg
static int bench_init_ffmpeg(void)
Definition: checkasm.c:894
checkasm_check_rv34dsp
void checkasm_check_rv34dsp(void)
Definition: rv34dsp.c:82
CheckasmFunc::versions
CheckasmFuncVersion versions
Definition: checkasm.c:409
isatty
#define isatty(fd)
Definition: checkasm.c:95
h
h
Definition: vp9dsp_template.c:2070
avg_cycles_per_call
static double avg_cycles_per_call(const CheckasmPerf *const p)
Definition: checkasm.c:646
AV_CPU_FLAG_RVV_I64
#define AV_CPU_FLAG_RVV_I64
Vectors of 64-bit int's *‍/.
Definition: cpu.h:94
check_err
static int check_err(const char *file, int line, const char *name, int w, int h, int *err)
Definition: checkasm.c:1197
cpu.h
CheckasmFunc::name
char name[1]
Definition: checkasm.c:411
checkasm_check_vvc_alf
void checkasm_check_vvc_alf(void)
Definition: vvc_alf.c:178
snprintf
#define snprintf
Definition: snprintf.h:34
av_log2
int av_log2(unsigned v)
Definition: intmath.c:26
checkasm_check_exrdsp
void checkasm_check_exrdsp(void)
Definition: exrdsp.c:77
balance_tree
static void balance_tree(CheckasmFunc **root)
Definition: checkasm.c:720
AV_CPU_FLAG_ARMV6T2
#define AV_CPU_FLAG_ARMV6T2
Definition: cpu.h:67
tsv
int tsv
Definition: checkasm.c:434
funcs
CheckasmFunc * funcs
Definition: checkasm.c:416
checkasm_check_opusdsp
void checkasm_check_opusdsp(void)
Definition: opusdsp.c:86