1 files changed, 263 insertions, 0 deletions
diff --git a/src/isa-l/igzip/igzip_file_perf.c b/src/isa-l/igzip/igzip_file_perf.c
new file mode 100644
index 00000000..8ae45cd6
--- /dev/null
+++ b/src/isa-l/igzip/igzip_file_perf.c
@@ -0,0 +1,263 @@
+/**********************************************************************
+  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 <assert.h>
+#include <string.h>
+#include <getopt.h>
+#include "igzip_lib.h"
+#include "test.h"
+
+#define BUF_SIZE 1024
+#define MIN_TEST_LOOPS   10
+#ifndef RUN_MEM_SIZE
+# define RUN_MEM_SIZE 500000000
+#endif
+
+struct isal_zstream stream;
+
+int usage(void)
+{
+	fprintf(stderr,
+		"Usage: igzip_file_perf [options] <infile>\n"
+		"  -h        help\n"
+		"  -X        use compression level X with 0 <= X <= 1\n"
+		"  -b <size> input buffer size, 0 buffers all the input\n"
+		"  -i <iter> number of iterations (at least 1)\n"
+		"  -o <file> output file for compresed data\n");
+	exit(0);
+}
+
+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, *level_buf = NULL;
+	int i, c, infile_size, iterations = 0, outbuf_size, inbuf_size = 0;
+	struct isal_huff_histogram histogram;
+	struct isal_hufftables hufftables_custom;
+	int level = 0, level_size = 0, avail_in;
+	char *in_file_name = NULL, *out_file_name = NULL;
+
+	while ((c = getopt(argc, argv, "h01i:b:o:")) != -1) {
+		switch (c) {
+		case 'o':
+			out_file_name = optarg;
+			break;
+		case 'i':
+			iterations = atoi(optarg);
+			if (iterations < 1)
+				usage();
+			break;
+		case 'b':
+			inbuf_size = atoi(optarg);
+			break;
+		case '1':
+			level = 1;
+			level_size = ISAL_DEF_LVL1_LARGE;
+			break;
+		case '0':
+			break;
+		case 'h':
+		default:
+			usage();
+			break;
+		}
+	}
+
+	if (optind < argc) {
+		in_file_name = argv[optind];
+		in = fopen(in_file_name, "rb");
+	} else
+		usage();
+
+	if (!in) {
+		fprintf(stderr, "Can't open %s for reading\n", in_file_name);
+		exit(0);
+	}
+	if (out_file_name != NULL) {
+		out = fopen(out_file_name, "wb");
+		if (!out) {
+			fprintf(stderr, "Can't open %s for writing\n", out_file_name);
+			exit(0);
+		}
+		printf("outfile=%s\n", out_file_name);
+	}
+
+	printf("Window Size: %d K\n", IGZIP_HIST_SIZE / 1024);
+	printf("igzip_file_perf: \n");
+	fflush(0);
+
+	/* Allocate space for entire input file and output
+	 * (assuming some possible expansion on output size)
+	 */
+	infile_size = get_filesize(in);
+
+	outbuf_size = 2 * infile_size + BUF_SIZE;
+
+	if (iterations == 0) {
+		iterations = infile_size ? RUN_MEM_SIZE / infile_size : MIN_TEST_LOOPS;
+		if (iterations < MIN_TEST_LOOPS)
+			iterations = MIN_TEST_LOOPS;
+	}
+
+	inbuf = malloc(infile_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);
+	}
+
+	if (level_size != 0) {
+		level_buf = malloc(level_size);
+		if (level_buf == NULL) {
+			fprintf(stderr, "Can't allocate level buffer memory\n");
+			exit(0);
+		}
+	}
+
+	inbuf_size = inbuf_size ? inbuf_size : infile_size;
+
+	printf("igzip_file_perf: %s %d iterations\n", in_file_name, 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;
+	perf_start(&start);
+
+	for (i = 0; i < iterations; i++) {
+		isal_deflate_init(&stream);
+		stream.end_of_stream = 0;
+		stream.flush = NO_FLUSH;
+		stream.level = level;
+		stream.level_buf = level_buf;
+		stream.level_buf_size = level_size;
+		stream.next_out = outbuf;
+		stream.avail_out = outbuf_size;
+		stream.next_in = inbuf;
+		avail_in = infile_size;
+
+		while (avail_in > 0) {
+			stream.avail_in = avail_in >= inbuf_size ? inbuf_size : avail_in;
+			avail_in -= inbuf_size;
+
+			if (avail_in <= 0)
+				stream.end_of_stream = 1;
+
+			isal_deflate(&stream);
+
+			if (stream.avail_in != 0)
+				break;
+		}
+	}
+
+	perf_stop(&stop);
+
+	if (stream.avail_in != 0) {
+		fprintf(stderr, "Could not compress all of inbuf\n");
+		exit(0);
+	}
+
+	printf("  file %s - in_size=%d out_size=%d iter=%d ratio=%3.1f%%",
+	       in_file_name, infile_size, stream.total_out, i,
+	       100.0 * stream.total_out / infile_size);
+
+	if (level == 0) {
+		memset(&histogram, 0, sizeof(histogram));
+
+		isal_update_histogram(inbuf, infile_size, &histogram);
+		isal_create_hufftables(&hufftables_custom, &histogram);
+
+		isal_deflate_init(&stream);
+		stream.end_of_stream = 0;
+		stream.flush = NO_FLUSH;
+		stream.level = level;
+		stream.level_buf = level_buf;
+		stream.level_buf_size = level_size;
+		stream.next_out = outbuf;
+		stream.avail_out = outbuf_size;
+		stream.next_in = inbuf;
+		stream.hufftables = &hufftables_custom;
+		avail_in = infile_size;
+
+		while (avail_in > 0) {
+			stream.avail_in = avail_in >= inbuf_size ? inbuf_size : avail_in;
+			avail_in -= inbuf_size;
+
+			if (avail_in <= 0)
+				stream.end_of_stream = 1;
+
+			isal_deflate(&stream);
+
+			if (stream.avail_in != 0)
+				break;
+		}
+
+		printf(" ratio_custom=%3.1f%%", 100.0 * stream.total_out / infile_size);
+	}
+	printf("\n");
+
+	if (stream.avail_in != 0) {
+		fprintf(stderr, "Could not compress all of inbuf\n");
+		exit(0);
+	}
+
+	printf("igzip_file: ");
+	perf_print(stop, start, (long long)infile_size * i);
+
+	if (argc > 2 && out) {
+		printf("writing %s\n", out_file_name);
+		fwrite(outbuf, 1, stream.total_out, out);
+		fclose(out);
+	}
+
+	fclose(in);
+	printf("End of igzip_file_perf\n\n");
+	fflush(0);
+	return 0;
+}