summaryrefslogtreecommitdiffstats
path: root/src/isa-l/igzip/igzip_semi_dyn_file_perf.c
blob: 525d3fe841e249c591fe301b317f7d467ca2f655 (plain)
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
/**********************************************************************
  Copyright(c) 2011-2016 Intel Corporation All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions
  are met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in
      the documentation and/or other materials provided with the
      distribution.
    * Neither the name of Intel Corporation nor the names of its
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**********************************************************************/

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include "igzip_lib.h"
#include "test.h"

#define MIN_BUF_SIZE    (4 * 1024)
#define MIN_TEST_LOOPS   10
#ifndef RUN_MEM_SIZE
# define RUN_MEM_SIZE 500000000
#endif

#define DEFAULT_SEG_SIZE    (512 * 1024)
#define DEFAULT_SAMPLE_SIZE (32 * 1024)

int usage(void)
{
	fprintf(stderr,
		"Usage: igzip_semi_dynamic [options] <infile>\n"
		"  -h        help\n"
		"  -v        (don't) validate output by inflate and compare\n"
		"  -i <iter> iterations\n"
		"  -t <type> 1:stateless 0:(default)stateful\n"
		"  -c <size> chunk size default=%d\n"
		"  -s <size> sample size default=%d\n"
		"  -o <file> output file\n", DEFAULT_SEG_SIZE, DEFAULT_SAMPLE_SIZE);
	exit(0);
}

int str_to_i(char *s)
{
#define ARG_MAX 32

	int i = atoi(s);
	int len = strnlen(s, ARG_MAX);
	if (len < 2 || len == ARG_MAX)
		return i;

	switch (s[len - 1]) {
	case 'k':
		i *= 1024;
		break;
	case 'K':
		i *= 1000;
		break;
	case 'm':
		i *= (1024 * 1024);
		break;
	case 'M':
		i *= (1000 * 1000);
		break;
	case 'g':
		i *= (1024 * 1024 * 1024);
		break;
	case 'G':
		i *= (1000 * 1000 * 1000);
		break;
	}
	return i;
}

int get_filesize(FILE * f)
{
	int curr, end;

	curr = ftell(f);	/* Save current position */
	fseek(f, 0L, SEEK_END);
	end = ftell(f);
	fseek(f, curr, SEEK_SET);	/* Restore position */
	return end;
}

int main(int argc, char *argv[])
{
	FILE *in = stdin, *out = NULL;
	unsigned char *inbuf, *outbuf;
	int i = 0, c, infile_size, outbuf_size;
	int segment_size = DEFAULT_SEG_SIZE;
	int sample_size = DEFAULT_SAMPLE_SIZE;
	int check_output = 1;
	int iterations = 0, do_stateless = 0, do_stateful = 1;
	int ret = 0;
	char *out_file_name = NULL;
	struct isal_zstream stream;
	struct isal_huff_histogram histogram;
	struct isal_hufftables hufftable;

	while ((c = getopt(argc, argv, "vht:c:s:o:i:")) != -1) {
		switch (c) {
		case 'v':
			check_output ^= 1;
			break;
		case 't':
			if (atoi(optarg) == 1) {
				do_stateful = 0;
				do_stateless = 1;
			}
			break;
		case 'c':
			segment_size = str_to_i(optarg);
			break;
		case 's':
			sample_size = str_to_i(optarg);
			break;
		case 'o':
			out_file_name = optarg;
			break;
		case 'i':
			iterations = str_to_i(optarg);
			break;
		case 'h':
		default:
			usage();
			break;
		}
	}

	// Open input file
	if (optind < argc) {
		if (!(in = fopen(argv[optind], "rb"))) {
			fprintf(stderr, "Can't open %s for reading\n", argv[optind]);
			exit(1);
		}
	} else
		usage();

	// Optionally open output file
	if (out_file_name != NULL) {
		if (!(out = fopen(out_file_name, "wb"))) {
			fprintf(stderr, "Can't open %s for writing\n", out_file_name);
			exit(1);
		}
	}

	printf("Window Size: %d K\n", IGZIP_HIST_SIZE / 1024);

	/*
	 * Allocate space for entire input file and output
	 * (assuming some possible expansion on output size)
	 */
	infile_size = get_filesize(in);
	if (infile_size == 0) {
		printf("Input file has zero length\n");
		usage();
	}

	if (iterations == 0) {
		iterations = RUN_MEM_SIZE / infile_size;
		if (iterations < MIN_TEST_LOOPS)
			iterations = MIN_TEST_LOOPS;
	}

	outbuf_size = infile_size * 1.30 > MIN_BUF_SIZE ? infile_size * 1.30 : MIN_BUF_SIZE;

	if (NULL == (inbuf = malloc(infile_size))) {
		fprintf(stderr, "Can't allocate input buffer memory\n");
		exit(0);
	}
	if (NULL == (outbuf = malloc(outbuf_size))) {
		fprintf(stderr, "Can't allocate output buffer memory\n");
		exit(0);
	}

	int hist_size = sample_size > segment_size ? segment_size : sample_size;

	printf("semi-dynamic sample=%d segment=%d %s\n", hist_size, segment_size,
	       do_stateful ? "stateful" : "stateless");
	printf("igzip_file_perf: %s %d iterations\n", argv[optind], iterations);

	// Read complete input file into buffer
	stream.avail_in = (uint32_t) fread(inbuf, 1, infile_size, in);
	if (stream.avail_in != infile_size) {
		fprintf(stderr, "Couldn't fit all of input file into buffer\n");
		exit(0);
	}

	struct perf start, stop;

	if (do_stateful) {
		perf_start(&start);

		for (i = 0; i < iterations; i++) {
			isal_deflate_init(&stream);
			stream.end_of_stream = 0;
			stream.flush = SYNC_FLUSH;
			stream.next_in = inbuf;
			stream.next_out = outbuf;
			stream.avail_out = outbuf_size;
			int remaining = infile_size;
			int chunk_size = segment_size;

			while (remaining > 0) {
				// Generate custom hufftables on sample
				memset(&histogram, 0, sizeof(struct isal_huff_histogram));
				if (remaining < segment_size * 2) {
					chunk_size = remaining;
					stream.end_of_stream = 1;
				}
				int hist_rem =
				    (hist_size > chunk_size) ? chunk_size : hist_size;
				isal_update_histogram(stream.next_in, hist_rem, &histogram);

				if (hist_rem == chunk_size)
					isal_create_hufftables_subset(&hufftable, &histogram);
				else
					isal_create_hufftables(&hufftable, &histogram);

				// Compress with custom table
				stream.avail_in = chunk_size;
				stream.hufftables = &hufftable;
				remaining -= chunk_size;
				isal_deflate(&stream);
				if (stream.internal_state.state != ZSTATE_NEW_HDR)
					break;
			}
		}
		perf_stop(&stop);
	}

	if (do_stateless) {
		perf_start(&start);

		for (i = 0; i < iterations; i++) {
			isal_deflate_stateless_init(&stream);
			stream.end_of_stream = 0;
			stream.flush = FULL_FLUSH;
			stream.next_in = inbuf;
			stream.next_out = outbuf;
			int remaining = infile_size;
			int chunk_size = segment_size;

			while (remaining > 0) {
				// Generate custom hufftables on sample
				memset(&histogram, 0, sizeof(struct isal_huff_histogram));
				if (remaining < segment_size * 2) {
					chunk_size = remaining;
					stream.end_of_stream = 1;
				}
				int hist_rem =
				    (hist_size > chunk_size) ? chunk_size : hist_size;
				isal_update_histogram(stream.next_in, hist_rem, &histogram);

				if (hist_rem == chunk_size)
					isal_create_hufftables_subset(&hufftable, &histogram);
				else
					isal_create_hufftables(&hufftable, &histogram);

				// Compress with custom table
				stream.avail_in = chunk_size;
				stream.avail_out = chunk_size + 8 * (1 + (chunk_size >> 16));
				stream.hufftables = &hufftable;
				remaining -= chunk_size;
				isal_deflate_stateless(&stream);
				if (stream.avail_in != 0)
					break;
			}
		}
		perf_stop(&stop);
	}

	if (stream.avail_in != 0) {
		printf("Could not compress all of inbuf\n");
		ret = 1;
	}

	printf("  file %s - in_size=%d out_size=%d iter=%d ratio=%3.1f%%\n", argv[optind],
	       infile_size, stream.total_out, i, 100.0 * stream.total_out / infile_size);

	printf("igzip_file: ");
	perf_print(stop, start, (long long)infile_size * i);

	if (out != NULL) {
		printf("writing %s\n", out_file_name);
		fwrite(outbuf, 1, stream.total_out, out);
		fclose(out);
	}

	fclose(in);

	if (check_output) {
		unsigned char *inflate_buf;
		struct inflate_state istate;

		if (NULL == (inflate_buf = malloc(infile_size))) {
			fprintf(stderr, "Can't allocate reconstruct buffer memory\n");
			exit(0);
		}
		isal_inflate_init(&istate);
		istate.next_in = outbuf;
		istate.avail_in = stream.total_out;
		istate.next_out = inflate_buf;
		istate.avail_out = infile_size;
		int check = isal_inflate(&istate);

		if (memcmp(inflate_buf, inbuf, infile_size)) {
			printf("inflate check Fail\n");
			printf(" ret %d total_inflate=%d\n", check, istate.total_out);
			for (i = 0; i < infile_size; i++) {
				if (inbuf[i] != inflate_buf[i]) {
					printf("  first diff at offset=%d\n", i);
					break;
				}
			}
			ret = 1;
		} else
			printf("inflate check Pass\n");
		free(inflate_buf);
	}

	printf("End of igzip_semi_dyn_file_perf\n\n");
	return ret;
}