-
Notifications
You must be signed in to change notification settings - Fork 5
/
zbench.c
609 lines (564 loc) · 18.8 KB
/
zbench.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
/* Adapted from zpip.c to create a simple benchmark for comparing
the original zlib performance with that of an IPP (Intel
Performance Primitives) enhanced version of zlib. */
/* zpipe.c: example of proper use of zlib's inflate() and deflate()
Not copyrighted -- provided to the public domain
Version 1.4 11 December 2005 Mark Adler */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <unistd.h>
#include <errno.h>
#include <time.h>
#include <locale.h>
#include "zlib.h"
#include "igzip_lib.h"
#define CHUNK 16384
/* Compress from file source to file dest until EOF on source.
def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
allocated for processing, Z_STREAM_ERROR if an invalid compression
level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
version of the library linked do not match, or Z_ERRNO if there is
an error reading or writing the files. */
int def(FILE *source, FILE *dest, int level)
{
int ret, flush;
unsigned have;
z_stream strm;
unsigned char in[CHUNK];
unsigned char out[CHUNK];
/* allocate deflate state */
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
ret = deflateInit(&strm, level);
if (ret != Z_OK)
return ret;
/* compress until end of file */
do {
strm.avail_in = fread(in, 1, CHUNK, source);
if (ferror(source)) {
(void)deflateEnd(&strm);
return Z_ERRNO;
}
flush = feof(source) ? Z_FINISH : Z_NO_FLUSH;
strm.next_in = in;
/* run deflate() on input until output buffer not full, finish
compression if all of source has been read in */
do {
strm.avail_out = CHUNK;
strm.next_out = out;
ret = deflate(&strm, flush); /* no bad return value */
assert(ret != Z_STREAM_ERROR); /* state not clobbered */
have = CHUNK - strm.avail_out;
if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
(void)deflateEnd(&strm);
return Z_ERRNO;
}
} while (strm.avail_out == 0);
assert(strm.avail_in == 0); /* all input will be used */
/* done when last data in file processed */
} while (flush != Z_FINISH);
assert(ret == Z_STREAM_END); /* stream will be complete */
/* clean up and return */
(void)deflateEnd(&strm);
return Z_OK;
}
int level_size_buf[ISAL_DEF_MAX_LEVEL + 1] = {
ISAL_DEF_LVL0_DEFAULT,
ISAL_DEF_LVL1_DEFAULT,
ISAL_DEF_LVL2_DEFAULT,
ISAL_DEF_LVL3_DEFAULT
};
/* Compress from file source to file dest until EOF on source.
def() returns Z_OK on success, Z_MEM_ERROR if memory could not be
allocated for processing, Z_STREAM_ERROR if an invalid compression
level is supplied, Z_VERSION_ERROR if the version of zlib.h and the
version of the library linked do not match, or Z_ERRNO if there is
an error reading or writing the files. */
int isal_def(FILE *source, FILE *dest, int level)
{
int ret, flush;
unsigned have;
struct isal_zstream strm;
unsigned char in[CHUNK];
unsigned char out[CHUNK];
if (level > ISAL_DEF_MAX_LEVEL || level < ISAL_DEF_MIN_LEVEL) {
return ISAL_INVALID_LEVEL;
}
/* allocate deflate state */
isal_deflate_init(&strm);
strm.level = level;
strm.flush = NO_FLUSH;
strm.gzip_flag = IGZIP_ZLIB;
if (level > ISAL_DEF_MIN_LEVEL) {
strm.level_buf_size = level_size_buf[level];
strm.level_buf = malloc(strm.level_buf_size);
}
/* compress until end of file */
do {
strm.avail_in = fread(in, 1, CHUNK, source);
if (ferror(source)) {
free(strm.level_buf);
return Z_ERRNO;
}
strm.end_of_stream = feof(source) ? 1 : 0;
strm.next_in = in;
/* run deflate() on input until output buffer not full, finish
compression if all of source has been read in */
do {
strm.avail_out = CHUNK;
strm.next_out = out;
ret = isal_deflate(&strm); /* no bad return value */
assert(ret == COMP_OK); /* state not clobbered */
have = CHUNK - strm.avail_out;
if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
free(strm.level_buf);
return Z_ERRNO;
}
} while (strm.avail_out == 0);
assert(strm.avail_in == 0); /* all input will be used */
/* done when last data in file processed */
} while (strm.internal_state.state != ZSTATE_END);
free(strm.level_buf);
return Z_OK;
}
/* Decompress from file source to file dest until stream ends or EOF.
inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
allocated for processing, Z_DATA_ERROR if the deflate data is
invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
the version of the library linked do not match, or Z_ERRNO if there
is an error reading or writing the files. */
int inf(FILE *source, FILE *dest)
{
int ret;
unsigned have;
z_stream strm;
unsigned char in[CHUNK];
unsigned char out[CHUNK];
/* allocate inflate state */
strm.zalloc = Z_NULL;
strm.zfree = Z_NULL;
strm.opaque = Z_NULL;
strm.avail_in = 0;
strm.next_in = Z_NULL;
ret = inflateInit(&strm);
if (ret != Z_OK)
return ret;
/* decompress until deflate stream ends or end of file */
do {
strm.avail_in = fread(in, 1, CHUNK, source);
if (ferror(source)) {
(void)inflateEnd(&strm);
return Z_ERRNO;
}
if (strm.avail_in == 0)
break;
strm.next_in = in;
/* run inflate() on input until output buffer not full */
do {
strm.avail_out = CHUNK;
strm.next_out = out;
ret = inflate(&strm, Z_NO_FLUSH);
assert(ret != Z_STREAM_ERROR); /* state not clobbered */
switch (ret) {
case Z_NEED_DICT:
ret = Z_DATA_ERROR; /* and fall through */
case Z_DATA_ERROR:
case Z_MEM_ERROR:
(void)inflateEnd(&strm);
return ret;
}
have = CHUNK - strm.avail_out;
if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
(void)inflateEnd(&strm);
return Z_ERRNO;
}
} while (strm.avail_out == 0);
/* done when inflate() says it's done */
} while (ret != Z_STREAM_END);
/* clean up and return */
(void)inflateEnd(&strm);
return ret == Z_STREAM_END ? Z_OK : Z_DATA_ERROR;
}
/* Decompress from file source to file dest until stream ends or EOF.
inf() returns Z_OK on success, Z_MEM_ERROR if memory could not be
allocated for processing, Z_DATA_ERROR if the deflate data is
invalid or incomplete, Z_VERSION_ERROR if the version of zlib.h and
the version of the library linked do not match, or Z_ERRNO if there
is an error reading or writing the files. */
int isal_inf(FILE *source, FILE *dest)
{
int ret;
unsigned have;
struct inflate_state strm;
unsigned char in[CHUNK];
unsigned char out[CHUNK];
/* allocate inflate state */
isal_inflate_init(&strm);
strm.crc_flag = ISAL_ZLIB;
/* decompress until deflate stream ends or end of file */
do {
strm.avail_in = fread(in, 1, CHUNK, source);
if (ferror(source)) {
return Z_ERRNO;
}
if (strm.avail_in == 0)
break;
strm.next_in = in;
/* run inflate() on input until output buffer not full */
do {
strm.avail_out = CHUNK;
strm.next_out = out;
ret = isal_inflate(&strm);
assert(ret == ISAL_DECOMP_OK || ret == ISAL_END_INPUT); /* state not clobbered */
have = CHUNK - strm.avail_out;
if (fwrite(out, 1, have, dest) != have || ferror(dest)) {
return Z_ERRNO;
}
} while (strm.avail_out == 0);
/* done when inflate() says it's done */
} while (ret != ISAL_END_INPUT);
/* clean up and return */
return (ret == ISAL_END_INPUT || ret == ISAL_DECOMP_OK) ? Z_OK : Z_ERRNO;
}
/* report a zlib or i/o error */
void zerr(int ret)
{
fputs("zpipe: ", stderr);
switch (ret) {
case Z_ERRNO:
if (ferror(stdin))
fputs("error reading stdin\n", stderr);
if (ferror(stdout))
fputs("error writing stdout\n", stderr);
break;
case Z_STREAM_ERROR:
fputs("invalid compression level\n", stderr);
break;
case Z_DATA_ERROR:
fputs("invalid or incomplete deflate data\n", stderr);
break;
case Z_MEM_ERROR:
fputs("out of memory\n", stderr);
break;
case Z_VERSION_ERROR:
fputs("zlib version mismatch!\n", stderr);
}
}
#define NANO_SCALE 1000000000
static int clock_id = CLOCK_MONOTONIC;
static inline long long get_time(void) {
struct timespec time;
long long nano_total;
clock_gettime(clock_id, &time);
nano_total = time.tv_sec;
nano_total *= NANO_SCALE;
nano_total += time.tv_nsec;
return nano_total;
}
static inline long long get_res(void) {
struct timespec time;
long long nano_total;
clock_getres(clock_id, &time);
nano_total = time.tv_sec;
nano_total *= NANO_SCALE;
nano_total += time.tv_nsec;
return nano_total;
}
void init_clock() {
char *clock_name;
switch (clock_id) {
case CLOCK_REALTIME:
clock_name = "CLOCK_REALTIME";
break;
case CLOCK_MONOTONIC:
clock_name = "CLOCK_MONOTONIC";
break;
case CLOCK_PROCESS_CPUTIME_ID:
clock_name = "CLOCK_PROCESS_CPUTIME_ID";
break;
case CLOCK_THREAD_CPUTIME_ID:
clock_name = "CLOCK_THREAD_CPUTIME_ID";
break;
case CLOCK_MONOTONIC_RAW:
clock_name = "CLOCK_MONOTONIC_RAW";
break;
case CLOCK_REALTIME_COARSE:
clock_name = "CLOCK_REALTIME_COARSE";
break;
case CLOCK_MONOTONIC_COARSE:
clock_name = "CLOCK_MONOTONIC_COARSE";
break;
}
fprintf(stderr, "Clock resolution is %lldns using the %s clock\n", get_res(), clock_name);
}
#define INFLATE 1
#define DEFLATE 2
int count = 3;
long process = 100000000L;
int action = 0;
int isal = 0;
int comp_level_start = -99;
int comp_level_end = -99;
char *dir = "/tmp";
FILE *in, *out, *json = NULL;
char *zlib_kind, *file_name, *comp_file = NULL;
void parse_args(int argc, char **argv) {
int opt;
char *in_file, *out_file, *json_file = NULL;
while ((opt = getopt(argc, argv, "n:t:dir:lc:p:a:b:z:j:")) != -1) {
switch (opt) {
case 'a':
in_file = optarg;
file_name = malloc(strlen(in_file) + 1);
strcpy(file_name, in_file);
break;
case 'b':
out_file = optarg;
break;
case 'z':
comp_file = optarg;
break;
case 'j':
json_file = optarg;
zlib_kind = optarg;
break;
case 'i':
action |= INFLATE;
break;
case 'd':
action |= DEFLATE;
break;
case 'n':
count = atoi(optarg);
break;
case 'p':
process = atol(optarg);
break;
case 'r':
clock_id = atoi(optarg);
break;
case 'c':
if (comp_level_start == -99) {
comp_level_start = atoi(optarg);
}
else {
comp_level_end = atoi(optarg);
}
break;
case 't':
dir = optarg;
break;
case 'l':
isal = 1;
break;
default: /* '?' */
fprintf(stderr, "Usage: zbench [-t tmp file directory (defaults to '/tmp')]\n"
" (will contain the temporary deflated/inflated files\n"
" 'zbench_deflated.tmp' and 'zbench_inflated.tmp')\n");
fprintf(stderr, " [-d] (deflate)\n");
fprintf(stderr, " [-i] (inflate)\n"
" (without '-d' and '-i' the default is to deflate and inflate)\n");
fprintf(stderr, " [-n number of inflate/deflate runs] # (defaults to 3)\n");
fprintf(stderr, " [-p number of bytes to inflate/deflate in a run]\n"
" (defaults to 100.000.000)\n");
fprintf(stderr, " [-c compression level]\n"
" (defaults to 6 (Z_DEFAULT_COMPRESSION) for libz,\n"
" defaults to 0 (ISAL_DEF_MIN_LEVEL) for isa,\n"
" two '-c' will trigger measurement for all compression\n"
" levels in that range)\n");
fprintf(stderr, " [-l] (use isal library - default is zlib)\n");
fprintf(stderr, " [-j <name>]\n"
" (writes '<name>-<infile>.json' results with 'type':'<name>' attribute)\n");
fprintf(stderr, " [-r clock used by clock_gettime()]\n"
" (defaults to 1 (CLOCK_MONOTONIC)\n");
fprintf(stderr, " [-z <compressed file>]\n");
fprintf(stderr, " -a <infile>\n");
fprintf(stderr, " -b <outfile>\n");
exit(EXIT_FAILURE);
}
}
if ((in = fopen(in_file, "r")) == NULL) {
fprintf(stderr, "%s: Can't open %s\n", strerror(errno), in_file);
exit(EXIT_FAILURE);
}
if ((out = fopen(out_file, "w+")) == NULL) {
fprintf(stderr, "%s: Can't open %s\n", strerror(errno), out_file);
exit(EXIT_FAILURE);
}
if (strrchr(file_name, '/')) {
file_name = strrchr(file_name, '/') + 1;
char *pos = strchr(file_name, '.');
if (pos) {
*pos = '-';
}
}
if (json_file != NULL) {
char buf[FILENAME_MAX];
snprintf(buf, FILENAME_MAX, "%s-%s.json", json_file, file_name);
if ((json = fopen(buf, "w+")) == NULL) {
fprintf(stderr, "%s: Can't open %s\n", strerror(errno), buf);
exit(EXIT_FAILURE);
}
}
else {
if (isal) {
zlib_kind = "isal";
}
else {
zlib_kind = "zlib";
}
}
if (action == 0) {
action |= INFLATE | DEFLATE;
}
if ((comp_file != NULL) && (action & DEFLATE) != 0) {
// Check to prevent 'comp_file' from being overwritten
fprintf(stderr, "The '-z' option shouldn't be used with '-d'\n");
exit(EXIT_FAILURE);
}
if (comp_level_start == -99) {
if (isal) {
/* For isal, the compression levels run from ISAL_DEF_MIN_LEVEL (i.e. 0)
to ISAL_DEF_MAX_LEVEL (i.e. 3). There is no "no-compression" level
like in zlib (see below) */
comp_level_start = ISAL_DEF_MIN_LEVEL;
} else {
/* For zlib, compression levels go from Z_BEST_SPEED (i.e. 1) to
Z_BEST_COMPRESSION (i.e. 9) with Z_DEFAULT_COMPRESSION == 6
Z_NO_COMPRESSION == 0 */
comp_level_start = Z_DEFAULT_COMPRESSION;
}
}
if ((action & DEFLATE) && isal && comp_level_start > 3) {
fprintf(stderr, "Compression level %d not supported by ISAL. Reset to 3 (i.e. ISAL_DEF_MAX_LEVEL)\n", comp_level_start);
comp_level_start = 3;
}
if ((action & DEFLATE) && isal && comp_level_end > 3) {
fprintf(stderr, "Compression level %d not supported by ISAL. Reset to 3 (i.e. ISAL_DEF_MAX_LEVEL)\n", comp_level_end);
comp_level_end = 3;
}
if (comp_level_end == -99 || comp_level_end < comp_level_start) {
comp_level_end = comp_level_start;
}
}
void deflate_wrapper(FILE *inflated, FILE *deflated, int comp_level) {
int ret;
rewind(inflated);
rewind(deflated);
if (isal) {
ret = isal_def(inflated, deflated, comp_level_start);
} else {
ret = def(inflated, deflated, comp_level_start);
}
if (ret != Z_OK) {
zerr(ret);
}
}
void inflate_wrapper(FILE *deflated, FILE *inflated) {
int ret;
rewind(inflated);
rewind(deflated);
if (isal) {
ret = isal_inf(deflated, inflated);
} else {
ret = inf(deflated, inflated);
}
if (ret != Z_OK) {
zerr(ret);
}
}
int main(int argc, char **argv) {
uint64_t in_size, out_size;
FILE *inflated, *deflated;
parse_args(argc, argv);
init_clock();
while (comp_level_start <= comp_level_end) {
if (comp_level_start == -2 && strcmp("ipp", zlib_kind)) {
// -2 is only defined for IPP zlib
comp_level_start++;
continue;
}
if (comp_level_start == -1) {
// Same as 6 so skip
comp_level_start++;
continue;
}
if (comp_level_start == 0 && (!isal)) {
// For isal, '0' is the lowest compression level, for zlib
// '0' means 'no compression' so we ignore it.
comp_level_start++;
continue;
}
char buf[FILENAME_MAX];
snprintf(buf, FILENAME_MAX, "%s/zbench_inflated_%d.tmp", dir, comp_level_start);
if ((inflated = fopen(buf, "w+")) == NULL) {
fprintf(stderr, "%s: Can't open %s\n", strerror(errno), buf);
exit(EXIT_FAILURE);
}
if (comp_file == NULL) {
snprintf(buf, FILENAME_MAX, "%s/zbench_deflated_%d.tmp", dir, comp_level_start);
}
else {
snprintf(buf, FILENAME_MAX, "%s", comp_file);
}
if ((deflated = fopen(buf, comp_file == NULL ? "w+" : "r")) == NULL) {
fprintf(stderr, "%s: Can't open %s\n", strerror(errno), buf);
exit(EXIT_FAILURE);
}
if (comp_file == NULL) {
deflate_wrapper(in, deflated, comp_level_start);
}
inflate_wrapper(deflated, inflated);
in_size = ftell(inflated);
out_size = ftell(deflated);
for (int i = 0; i < count; i++) {
int counter = 0;
long processed = 0;
long long start = get_time();
while (1) {
if (action & DEFLATE) {
deflate_wrapper(inflated, deflated, comp_level_start);
processed += in_size;
}
if (action & INFLATE) {
inflate_wrapper(deflated, inflated);
processed += out_size;
}
counter++;
if (processed > process)
break;
}
long long stop = get_time();
long run_time_ms = (stop - start) / 1000000;
double comp_rate = ((double)out_size * 100) / in_size;
double comp_ratio = (double)in_size / out_size;
double throughput = (processed / run_time_ms) / 1024.0;
// setlocale(LC_ALL, "");
fprintf(
stderr,
"%s-%d: %d times %s %s required %'ld ms (compression rate %.2f%% (%.2f) "
"troughput %.2f kb/ms)\n",
zlib_kind, comp_level_start, counter,
(action & DEFLATE && action & INFLATE
? "DEFLATE/INFLATE"
: (action & DEFLATE ? "DEFLATE"
: (action & INFLATE ? "INFLATE" : "ERROR"))),
file_name, run_time_ms, comp_rate, comp_ratio, throughput);
if (json != NULL) {
fprintf(json, "{\"level\": \"%d\", \"type\": \"%s\", \"ratio\": \"%.2f\", \"throughput\": \"%.2f\", \"file\": \"%s\"},\n",
comp_level_start, zlib_kind, comp_ratio, throughput, file_name);
}
}
rewind(deflated);
inf(deflated, out);
fclose(inflated);
fclose(deflated);
comp_level_start++;
}
fclose(in);
fclose(out);
if (json) fclose(json);
}