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
new file mode 100644
index 00000000..70d2af7d
--- /dev/null
+++ 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;
+}