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-rw-r--r--src/isa-l/igzip/igzip_inflate_perf.c241
1 files changed, 241 insertions, 0 deletions
diff --git a/src/isa-l/igzip/igzip_inflate_perf.c b/src/isa-l/igzip/igzip_inflate_perf.c
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+++ b/src/isa-l/igzip/igzip_inflate_perf.c
@@ -0,0 +1,241 @@
+/**********************************************************************
+ 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 <assert.h>
+#include "huff_codes.h"
+#include "igzip_lib.h"
+#include "test.h"
+
+#if defined(ZLIB_9) || defined(ZLIB_1) || defined(ZLIB_COMPARE)
+# include <zlib.h>
+#endif
+
+#define BUF_SIZE 1024
+#define MIN_TEST_LOOPS 8
+#ifndef RUN_MEM_SIZE
+# define RUN_MEM_SIZE 1000000000
+#endif
+
+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, *out = NULL;
+ unsigned char *inbuf, *outbuf, *tempbuf;
+ int i, infile_size, iterations, outbuf_size, check;
+ uint64_t inbuf_size;
+ struct inflate_state state;
+
+ if (argc > 3 || argc < 2) {
+ fprintf(stderr, "Usage: isal_inflate_file_perf infile\n"
+ "\t - Runs multiple iterations of igzip on a file to "
+ "get more accurate time results.\n");
+ exit(0);
+ }
+ in = fopen(argv[1], "rb");
+ if (!in) {
+ fprintf(stderr, "Can't open %s for reading\n", argv[1]);
+ exit(0);
+ }
+ if (argc > 2) {
+ out = fopen(argv[2], "wb");
+ if (!out) {
+ fprintf(stderr, "Can't open %s for writing\n", argv[2]);
+ exit(0);
+ }
+ printf("outfile=%s\n", argv[2]);
+ }
+ printf("isal_inflate_perf: \n");
+ fflush(0);
+ /* Allocate space for entire input file and output
+ * (assuming some possible expansion on output size)
+ */
+ infile_size = get_filesize(in);
+
+ if (infile_size != 0) {
+ outbuf_size = infile_size;
+ iterations = RUN_MEM_SIZE / infile_size;
+ } else {
+ printf("Error: input file has 0 size\n");
+ exit(0);
+ }
+ if (iterations < MIN_TEST_LOOPS)
+ iterations = MIN_TEST_LOOPS;
+
+ tempbuf = malloc(infile_size);
+ if (tempbuf == NULL) {
+ fprintf(stderr, "Can't allocate temp buffer memory\n");
+ exit(0);
+ }
+ inbuf_size = 2 * infile_size;
+ inbuf = malloc(inbuf_size);
+ if (inbuf == NULL) {
+ fprintf(stderr, "Can't allocate input buffer memory\n");
+ exit(0);
+ }
+ outbuf = malloc(outbuf_size);
+ if (outbuf == NULL) {
+ fprintf(stderr, "Can't allocate output buffer memory\n");
+ exit(0);
+ }
+
+ fread(tempbuf, 1, infile_size, in);
+
+#ifdef ZLIB_9
+ printf("Using zlib -9 compression\n");
+ i = compress2(inbuf, &inbuf_size, tempbuf, infile_size, 9);
+ if (i != Z_OK) {
+ printf("Compression of input file failed\n");
+ exit(0);
+ }
+
+ inbuf += 2;
+ inbuf_size -= 2;
+#elif defined(ZLIB_1)
+ printf("Using zlib -1 compression\n");
+ i = compress2(inbuf, &inbuf_size, tempbuf, infile_size, 1);
+ if (i != Z_OK) {
+ printf("Compression of input file failed\n");
+ exit(0);
+ }
+
+ inbuf += 2;
+ inbuf_size -= 2;
+#else
+ printf("Using igzip compression\n");
+ struct isal_zstream stream;
+ isal_deflate_init(&stream);
+ stream.end_of_stream = 1; /* Do the entire file at once */
+ stream.flush = NO_FLUSH;
+ stream.next_in = tempbuf;
+ stream.avail_in = infile_size;
+ stream.next_out = inbuf;
+ stream.avail_out = inbuf_size;
+#ifdef IGZIP_CUSTOM
+ struct isal_huff_histogram histogram;
+ struct isal_hufftables hufftables_custom;
+
+ memset(&histogram, 0, sizeof(histogram));
+ isal_update_histogram(tempbuf, infile_size, &histogram);
+ isal_create_hufftables(&hufftables_custom, &histogram);
+ stream.hufftables = &hufftables_custom;
+#endif
+ isal_deflate(&stream);
+ if (stream.avail_in != 0) {
+ printf("Compression of input file failed\n");
+ exit(0);
+ }
+#endif
+
+#ifdef ZLIB_COMPARE
+ {
+ printf("igzip_zlib_inflate_perf: %s %d iterations\n", argv[1], iterations);
+ /* Read complete input file into buffer */
+
+ struct perf start, stop;
+ perf_start(&start);
+
+ z_stream gstream;
+
+ for (i = 0; i < iterations; i++) {
+ gstream.next_in = inbuf;
+ gstream.avail_in = inbuf_size;
+ gstream.zalloc = Z_NULL;
+ gstream.zfree = Z_NULL;
+ gstream.opaque = Z_NULL;
+ if (0 != inflateInit2(&gstream, -15)) {
+ printf("Fail zlib init\n");
+ exit(-1);
+ }
+ gstream.next_out = outbuf;
+ gstream.avail_out = outbuf_size;
+ check = inflate(&gstream, Z_FINISH);
+ if (check != 1) {
+ printf("Error in decompression with error %d\n", check);
+ break;
+ }
+ }
+ perf_stop(&stop);
+ printf(" file %s - in_size=%d out_size=%lu iter=%d\n", argv[1],
+ infile_size, gstream.total_out, i);
+
+ printf("igzip_file: ");
+ perf_print(stop, start, (long long)infile_size * i);
+
+ printf("End of igzip_zlib_inflate_perf\n\n");
+ }
+#endif
+ printf("isal_inflate_stateless_perf: %s %d iterations\n", argv[1], iterations);
+ /* Read complete input file into buffer */
+ fclose(in);
+ struct perf start, stop;
+ perf_start(&start);
+
+ for (i = 0; i < iterations; i++) {
+ isal_inflate_init(&state);
+ state.next_in = inbuf;
+ state.avail_in = inbuf_size;
+ state.next_out = outbuf;
+ state.avail_out = outbuf_size;
+
+ check = isal_inflate(&state);
+ if (check) {
+ printf("Error in decompression with error %d\n", check);
+ break;
+ }
+ }
+ perf_stop(&stop);
+ printf(" file %s - in_size=%d out_size=%d iter=%d\n", argv[1],
+ infile_size, state.total_out, i);
+
+ printf("igzip_file: ");
+ perf_print(stop, start, (long long)infile_size * i);
+
+ printf("End of isal_inflate_stateless_perf\n\n");
+ fflush(0);
+
+#if defined(ZLIB_1) || defined(ZLIB_9)
+ inbuf -= 2;
+#endif
+ free(inbuf);
+ free(outbuf);
+ free(tempbuf);
+
+ return 0;
+}