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-rw-r--r--src/isa-l/igzip/igzip_hist_perf.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/isa-l/igzip/igzip_hist_perf.c b/src/isa-l/igzip/igzip_hist_perf.c
new file mode 100644
index 000000000..bc8c935aa
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+++ b/src/isa-l/igzip/igzip_hist_perf.c
@@ -0,0 +1,129 @@
+/**********************************************************************
+ 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 <assert.h>
+#include <string.h>
+#include "igzip_lib.h"
+#include "test.h"
+
+#define BUF_SIZE 1024
+#define MIN_TEST_LOOPS 8
+#ifndef RUN_MEM_SIZE
+# define RUN_MEM_SIZE 2000000000
+#endif
+
+void print_histogram(struct isal_huff_histogram *histogram)
+{
+ int i;
+ printf("Lit Len histogram");
+ for (i = 0; i < ISAL_DEF_LIT_LEN_SYMBOLS; i++) {
+ if (i % 16 == 0)
+ printf("\n");
+ else
+ printf(", ");
+ printf("%4lu", histogram->lit_len_histogram[i]);
+ }
+ printf("\n");
+
+ printf("Dist histogram");
+ for (i = 0; i < ISAL_DEF_DIST_SYMBOLS; i++) {
+ if (i % 16 == 0)
+ printf("\n");
+ else
+ printf(", ");
+ printf("%4lu", histogram->dist_histogram[i]);
+ }
+ printf("\n");
+}
+
+int main(int argc, char *argv[])
+{
+ FILE *in;
+ unsigned char *inbuf;
+ int iterations, avail_in;
+ uint64_t infile_size;
+ struct isal_huff_histogram histogram1, histogram2;
+
+ memset(&histogram1, 0, sizeof(histogram1));
+ memset(&histogram2, 0, sizeof(histogram2));
+
+ if (argc > 3 || argc < 2) {
+ fprintf(stderr, "Usage: igzip_file_perf infile [outfile]\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);
+ }
+
+ /* Allocate space for entire input file and output
+ * (assuming some possible expansion on output size)
+ */
+ infile_size = get_filesize(in);
+
+ if (infile_size != 0)
+ iterations = RUN_MEM_SIZE / infile_size;
+ else
+ iterations = 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);
+ }
+
+ avail_in = fread(inbuf, 1, infile_size, in);
+ if (avail_in != infile_size) {
+ free(inbuf);
+ fprintf(stderr, "Couldn't fit all of input file into buffer\n");
+ exit(0);
+ }
+
+ struct perf start;
+ BENCHMARK(&start, BENCHMARK_TIME,
+ isal_update_histogram(inbuf, infile_size, &histogram1));
+ printf(" file %s - in_size=%lu\n", argv[1], infile_size);
+ printf("igzip_hist_file: ");
+ perf_print(start, (long long)infile_size);
+
+ fclose(in);
+ fflush(0);
+ free(inbuf);
+
+ return 0;
+}