ceph/src/isa-l/igzip/igzip_perf.c

   1 /**********************************************************************
   2   Copyright(c) 2011-2016 Intel Corporation All rights reserved.
   3
   4   Redistribution and use in source and binary forms, with or without
   5   modification, are permitted provided that the following conditions
   6   are met:
   7     * Redistributions of source code must retain the above copyright
   8       notice, this list of conditions and the following disclaimer.
   9     * Redistributions in binary form must reproduce the above copyright
  10       notice, this list of conditions and the following disclaimer in
  11       the documentation and/or other materials provided with the
  12       distribution.
  13     * Neither the name of Intel Corporation nor the names of its
  14       contributors may be used to endorse or promote products derived
  15       from this software without specific prior written permission.
  16
  17   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  18   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  19   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  20   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  21   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  22   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  23   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  24   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  25   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  26   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  27   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 **********************************************************************/
  29
  30 #include <stdio.h>
  31 #include <stdlib.h>
  32 #include <string.h>
  33 #include <assert.h>
  34 #include "igzip_lib.h"
  35 #include "test.h"
  36
  37 #define TEST_LEN   (1024*1024)
  38 #define IBUF_SIZE  (1024*1024)
  39 #define OBUF_SIZE  (1024*1024)
  40
  41 #define TEST_LOOPS   400
  42 #define TEST_TYPE_STR "_warm"
  43
  44 void create_data(unsigned char *data, int size)
  45 {
  46         char c = 'a';
  47         while (size--)
  48                 *data++ = c = c < 'z' ? c + 1 : 'a';
  49 }
  50
  51 int main(int argc, char *argv[])
  52 {
  53         int i = 1;
  54         struct isal_zstream stream;
  55         unsigned char inbuf[IBUF_SIZE], zbuf[OBUF_SIZE];
  56
  57         printf("Window Size: %d K\n", IGZIP_HIST_SIZE / 1024);
  58         printf("igzip_perf: \n");
  59         fflush(0);
  60         create_data(inbuf, TEST_LEN);
  61
  62         struct perf start, stop;
  63         perf_start(&start);
  64
  65         for (i = 0; i < TEST_LOOPS; i++) {
  66                 isal_deflate_init(&stream);
  67
  68                 stream.avail_in = TEST_LEN;
  69                 stream.end_of_stream = 1;
  70                 stream.next_in = inbuf;
  71                 stream.flush = NO_FLUSH;
  72
  73                 do {
  74                         stream.avail_out = OBUF_SIZE;
  75                         stream.next_out = zbuf;
  76                         isal_deflate(&stream);
  77                 } while (stream.avail_out == 0);
  78         }
  79
  80         perf_stop(&stop);
  81
  82         printf("igzip" TEST_TYPE_STR ": ");
  83         perf_print(stop, start, (long long)TEST_LEN * i);
  84
  85         if (!stream.end_of_stream) {
  86                 printf("error: compression test could not fit into allocated buffers\n");
  87                 return -1;
  88         }
  89         printf("End of igzip_perf\n\n");
  90         fflush(0);
  91         return 0;
  92 }