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Diffstat (limited to 'src/isa-l/igzip/igzip_hist_perf.c')
-rw-r--r-- | src/isa-l/igzip/igzip_hist_perf.c | 129 |
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 --- /dev/null +++ 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; +} |