isa-l/igzip/igzip_semi_dyn_file_perf.c
Marcel Cornu 55fbfabfc6 igzip: reformat using new code style
Signed-off-by: Marcel Cornu <marcel.d.cornu@intel.com>
2024-04-22 11:35:03 +02:00

338 lines
12 KiB
C

/**********************************************************************
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.
**********************************************************************/
#define _FILE_OFFSET_BITS 64
#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"
" -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;
}
void
semi_dyn_stateless_perf(struct isal_zstream *stream, uint8_t *inbuf, uint64_t infile_size,
uint8_t *outbuf, uint64_t outbuf_size, int segment_size, int hist_size)
{
struct isal_huff_histogram histogram;
struct isal_hufftables hufftable;
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;
}
}
void
semi_dyn_stateful_perf(struct isal_zstream *stream, uint8_t *inbuf, uint64_t infile_size,
uint8_t *outbuf, uint64_t outbuf_size, int segment_size, int hist_size)
{
struct isal_huff_histogram histogram;
struct isal_hufftables hufftable;
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;
}
}
int
main(int argc, char *argv[])
{
FILE *in = stdin, *out = NULL;
unsigned char *inbuf, *outbuf;
int i = 0, c;
uint64_t infile_size, outbuf_size;
int segment_size = DEFAULT_SEG_SIZE;
int sample_size = DEFAULT_SAMPLE_SIZE;
int check_output = 1;
int do_stateless = 0, do_stateful = 1;
int ret = 0;
char *out_file_name = NULL;
struct isal_zstream stream;
while ((c = getopt(argc, argv, "vht:c:s:o:")) != -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 '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();
}
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\n", argv[optind]);
// 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;
if (do_stateful) {
BENCHMARK(&start, BENCHMARK_TIME,
semi_dyn_stateful_perf(&stream, inbuf, infile_size, outbuf, outbuf_size,
segment_size, hist_size));
}
if (do_stateless) {
BENCHMARK(&start, BENCHMARK_TIME,
semi_dyn_stateless_perf(&stream, inbuf, infile_size, outbuf, outbuf_size,
segment_size, hist_size));
}
if (stream.avail_in != 0) {
printf("Could not compress all of inbuf\n");
ret = 1;
}
printf(" file %s - in_size=%lu 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_semi_dyn_file: ");
perf_print(start, (long long) infile_size);
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;
}