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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 18:24:20 +0000
commit483eb2f56657e8e7f419ab1a4fab8dce9ade8609 (patch)
treee5d88d25d870d5dedacb6bbdbe2a966086a0a5cf /src/isa-l/igzip/igzip_hist_perf.c
parentInitial commit. (diff)
downloadceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.tar.xz
ceph-483eb2f56657e8e7f419ab1a4fab8dce9ade8609.zip
Adding upstream version 14.2.21.upstream/14.2.21upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/isa-l/igzip/igzip_hist_perf.c')
-rw-r--r--src/isa-l/igzip/igzip_hist_perf.c146
1 files changed, 146 insertions, 0 deletions
diff --git a/src/isa-l/igzip/igzip_hist_perf.c b/src/isa-l/igzip/igzip_hist_perf.c
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+/**********************************************************************
+ 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 "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
+
+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;
+}
+
+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, *outbuf;
+ int i, infile_size, outbuf_size, iterations, avail_in;
+ 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);
+ outbuf_size = 2 * infile_size;
+
+ 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);
+ outbuf = malloc(outbuf_size);
+ if (inbuf == NULL) {
+ fprintf(stderr, "Can't allocate input buffer memory\n");
+ exit(0);
+ }
+
+ if (outbuf == NULL) {
+ fprintf(stderr, "Can't allocate output buffer memory\n");
+ exit(0);
+ }
+
+ avail_in = fread(inbuf, 1, infile_size, in);
+ if (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_update_histogram(inbuf, infile_size, &histogram1);
+ perf_stop(&stop);
+
+ printf(" file %s - in_size=%d iter=%d\n", argv[1], infile_size, i);
+ printf("igzip_file: ");
+ perf_print(stop, start, (long long)infile_size * i);
+
+ fclose(in);
+ fflush(0);
+ return 0;
+}