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c233946b0a
Allow for running igzip_inflate_perf with zlib -1, zlib -9, and igzip compression. Also add a parameter to allow comparing igzip inflate's performance to zlib inflate's performance. Signed-off-by: Roy Oursler <roy.j.oursler@intel.com> Reviewed-by: Greg Tucker <greg.b.tucker@intel.com>
238 lines
6.6 KiB
C
238 lines
6.6 KiB
C
/**********************************************************************
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Copyright(c) 2011-2016 Intel Corporation All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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* Neither the name of Intel Corporation nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**********************************************************************/
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#include <stdio.h>
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#include <assert.h>
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#include "huff_codes.h"
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#include "inflate.h"
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#include "test.h"
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#if defined(ZLIB_9) || defined(ZLIB_1) || defined(ZLIB_COMPARE)
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# include <zlib.h>
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#endif
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#define BUF_SIZE 1024
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#define MIN_TEST_LOOPS 8
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#ifndef RUN_MEM_SIZE
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# define RUN_MEM_SIZE 1000000000
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#endif
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int get_filesize(FILE * f)
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{
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int curr, end;
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curr = ftell(f); /* Save current position */
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fseek(f, 0L, SEEK_END);
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end = ftell(f);
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fseek(f, curr, SEEK_SET); /* Restore position */
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return end;
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}
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int main(int argc, char *argv[])
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{
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FILE *in, *out = NULL;
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unsigned char *inbuf, *outbuf, *tempbuf;
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int i, infile_size, iterations, outbuf_size, check;
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uint64_t inbuf_size;
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struct inflate_state state;
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if (argc > 3 || argc < 2) {
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fprintf(stderr, "Usage: isal_inflate_file_perf infile\n"
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"\t - Runs multiple iterations of igzip on a file to "
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"get more accurate time results.\n");
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exit(0);
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}
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in = fopen(argv[1], "rb");
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if (!in) {
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fprintf(stderr, "Can't open %s for reading\n", argv[1]);
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exit(0);
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}
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if (argc > 2) {
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out = fopen(argv[2], "wb");
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if (!out) {
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fprintf(stderr, "Can't open %s for writing\n", argv[2]);
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exit(0);
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}
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printf("outfile=%s\n", argv[2]);
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}
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printf("isal_inflate_perf: \n");
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fflush(0);
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/* Allocate space for entire input file and output
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* (assuming some possible expansion on output size)
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*/
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infile_size = get_filesize(in);
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if (infile_size != 0) {
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outbuf_size = infile_size;
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iterations = RUN_MEM_SIZE / infile_size;
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} else {
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printf("Error: input file has 0 size\n");
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exit(0);
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}
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if (iterations < MIN_TEST_LOOPS)
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iterations = MIN_TEST_LOOPS;
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tempbuf = malloc(infile_size);
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if (tempbuf == NULL) {
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fprintf(stderr, "Can't allocate temp buffer memory\n");
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exit(0);
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}
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inbuf_size = 2 * infile_size;
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inbuf = malloc(inbuf_size);
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if (inbuf == NULL) {
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fprintf(stderr, "Can't allocate input buffer memory\n");
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exit(0);
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}
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outbuf = malloc(outbuf_size);
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if (outbuf == NULL) {
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fprintf(stderr, "Can't allocate output buffer memory\n");
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exit(0);
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}
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fread(tempbuf, 1, infile_size, in);
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#ifdef ZLIB_9
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printf("Using zlib -9 compression\n");
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i = compress2(inbuf, &inbuf_size, tempbuf, infile_size, 9);
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if (i != Z_OK) {
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printf("Compression of input file failed\n");
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exit(0);
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}
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inbuf += 2;
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inbuf_size -= 2;
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#elif defined(ZLIB_1)
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printf("Using zlib -1 compression\n");
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i = compress2(inbuf, &inbuf_size, tempbuf, infile_size, 1);
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if (i != Z_OK) {
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printf("Compression of input file failed\n");
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exit(0);
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}
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inbuf += 2;
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inbuf_size -= 2;
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#else
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printf("Using igzip compression\n");
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struct isal_zstream stream;
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isal_deflate_init(&stream);
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stream.end_of_stream = 1; /* Do the entire file at once */
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stream.flush = NO_FLUSH;
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stream.next_in = tempbuf;
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stream.avail_in = infile_size;
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stream.next_out = inbuf;
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stream.avail_out = inbuf_size;
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#ifdef IGZIP_CUSTOM
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struct isal_huff_histogram histogram;
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struct isal_hufftables hufftables_custom;
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memset(&histogram, 0, sizeof(histogram));
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isal_update_histogram(inbuf, infile_size, &histogram);
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isal_create_hufftables(&hufftables_custom, &histogram);
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stream.hufftables = &hufftables_custom;
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#endif
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isal_deflate(&stream);
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if (stream.avail_in != 0) {
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printf("Compression of input file failed\n");
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exit(0);
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}
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#endif
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#ifdef ZLIB_COMPARE
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{
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printf("igzip_zlib_inflate_perf: %s %d iterations\n", argv[1], iterations);
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/* Read complete input file into buffer */
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struct perf start, stop;
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perf_start(&start);
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z_stream gstream;
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for (i = 0; i < iterations; i++) {
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gstream.next_in = inbuf;
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gstream.avail_in = inbuf_size;
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gstream.zalloc = Z_NULL;
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gstream.zfree = Z_NULL;
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gstream.opaque = Z_NULL;
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if (0 != inflateInit2(&gstream, -15)) {
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printf("Fail zlib init\n");
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exit(-1);
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}
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gstream.next_out = outbuf;
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gstream.avail_out = outbuf_size;
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check = inflate(&gstream, Z_FINISH);
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if (check != 1) {
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printf("Error in decompression with error %d\n", check);
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break;
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}
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}
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perf_stop(&stop);
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printf(" file %s - in_size=%d out_size=%lu iter=%d\n", argv[1],
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infile_size, gstream.total_out, i);
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printf("igzip_file: ");
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perf_print(stop, start, (long long)infile_size * i);
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printf("End of igzip_zlib_inflate_perf\n\n");
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}
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#endif
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printf("isal_inflate_stateless_perf: %s %d iterations\n", argv[1], iterations);
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/* Read complete input file into buffer */
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fclose(in);
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struct perf start, stop;
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perf_start(&start);
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for (i = 0; i < iterations; i++) {
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isal_inflate_init(&state, inbuf, inbuf_size, outbuf, outbuf_size);
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check = isal_inflate_stateless(&state);
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if (check) {
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printf("Error in decompression with error %d\n", check);
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break;
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}
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}
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perf_stop(&stop);
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printf(" file %s - in_size=%d out_size=%d iter=%d\n", argv[1],
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infile_size, state.out_buffer.total_out, i);
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printf("igzip_file: ");
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perf_print(stop, start, (long long)infile_size * i);
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printf("End of isal_inflate_stateless_perf\n\n");
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fflush(0);
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#if defined(ZLIB_1) || defined(ZLIB_9)
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inbuf -= 2;
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#endif
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free(inbuf);
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free(outbuf);
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free(tempbuf);
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return 0;
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}
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