From 483eb2f56657e8e7f419ab1a4fab8dce9ade8609 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 20:24:20 +0200 Subject: Adding upstream version 14.2.21. Signed-off-by: Daniel Baumann --- src/isa-l/igzip/igzip_hist_perf.c | 146 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 src/isa-l/igzip/igzip_hist_perf.c (limited to 'src/isa-l/igzip/igzip_hist_perf.c') 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 00000000..5917572b --- /dev/null +++ b/src/isa-l/igzip/igzip_hist_perf.c @@ -0,0 +1,146 @@ +/********************************************************************** + 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 +#include +#include +#include +#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; +} -- cgit v1.2.3