X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=app%2Ftest%2Ftest_memcpy_perf.c;h=6f436f3ef3e0e9d4082857d0f4621e318e7fabe8;hb=15e67d41c0564000f919aa86d78a6702399b79d3;hp=ff3aaaacad35223788f4b769e7f7fbc98442be14;hpb=26e09db6cb5fd9bbf0feb928561af9932694574b;p=dpdk.git diff --git a/app/test/test_memcpy_perf.c b/app/test/test_memcpy_perf.c index ff3aaaacad..6f436f3ef3 100644 --- a/app/test/test_memcpy_perf.c +++ b/app/test/test_memcpy_perf.c @@ -1,40 +1,12 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ #include #include #include #include +#include #include #include @@ -217,8 +189,9 @@ do { \ memcpy(dst+dst_addrs[t], src+src_addrs[t], size); \ total_time2 += rte_rdtsc() - start_time; \ } \ - printf("%8.0f -", (double)total_time /TEST_ITERATIONS); \ - printf("%5.0f", (double)total_time2 / TEST_ITERATIONS); \ + printf("%3.0f -", (double)total_time / TEST_ITERATIONS); \ + printf("%3.0f", (double)total_time2 / TEST_ITERATIONS); \ + printf("(%6.2f%%) ", ((double)total_time - total_time2)*100/total_time2); \ } while (0) /* Run aligned memcpy tests for each cached/uncached permutation */ @@ -300,6 +273,9 @@ static int perf_test(void) { int ret; + struct timeval tv_begin, tv_end; + double time_aligned, time_unaligned; + double time_aligned_const, time_unaligned_const; ret = init_buffers(); if (ret != 0) @@ -316,25 +292,47 @@ perf_test(void) do_uncached_write(large_buf_write, 0, small_buf_read, 1, SMALL_BUFFER_SIZE); printf("\n** rte_memcpy() - memcpy perf. tests (C = compile-time constant) **\n" - "======= ============== ============== ============== ==============\n" - " Size Cache to cache Cache to mem Mem to cache Mem to mem\n" - "(bytes) (ticks) (ticks) (ticks) (ticks)\n" - "------- -------------- -------------- -------------- --------------"); + "======= ================= ================= ================= =================\n" + " Size Cache to cache Cache to mem Mem to cache Mem to mem\n" + "(bytes) (ticks) (ticks) (ticks) (ticks)\n" + "------- ----------------- ----------------- ----------------- -----------------"); - printf("\n========================== %2dB aligned ============================", ALIGNMENT_UNIT); + printf("\n================================= %2dB aligned =================================", + ALIGNMENT_UNIT); /* Do aligned tests where size is a variable */ + gettimeofday(&tv_begin, NULL); perf_test_variable_aligned(); - printf("\n------- -------------- -------------- -------------- --------------"); + gettimeofday(&tv_end, NULL); + time_aligned = (double)(tv_end.tv_sec - tv_begin.tv_sec) + + ((double)tv_end.tv_usec - tv_begin.tv_usec)/1000000; + printf("\n------- ----------------- ----------------- ----------------- -----------------"); /* Do aligned tests where size is a compile-time constant */ + gettimeofday(&tv_begin, NULL); perf_test_constant_aligned(); - printf("\n=========================== Unaligned ============================="); + gettimeofday(&tv_end, NULL); + time_aligned_const = (double)(tv_end.tv_sec - tv_begin.tv_sec) + + ((double)tv_end.tv_usec - tv_begin.tv_usec)/1000000; + printf("\n================================== Unaligned =================================="); /* Do unaligned tests where size is a variable */ + gettimeofday(&tv_begin, NULL); perf_test_variable_unaligned(); - printf("\n------- -------------- -------------- -------------- --------------"); + gettimeofday(&tv_end, NULL); + time_unaligned = (double)(tv_end.tv_sec - tv_begin.tv_sec) + + ((double)tv_end.tv_usec - tv_begin.tv_usec)/1000000; + printf("\n------- ----------------- ----------------- ----------------- -----------------"); /* Do unaligned tests where size is a compile-time constant */ + gettimeofday(&tv_begin, NULL); perf_test_constant_unaligned(); - printf("\n======= ============== ============== ============== ==============\n\n"); - + gettimeofday(&tv_end, NULL); + time_unaligned_const = (double)(tv_end.tv_sec - tv_begin.tv_sec) + + ((double)tv_end.tv_usec - tv_begin.tv_usec)/1000000; + printf("\n======= ================= ================= ================= =================\n\n"); + + printf("Test Execution Time (seconds):\n"); + printf("Aligned variable copy size = %8.3f\n", time_aligned); + printf("Aligned constant copy size = %8.3f\n", time_aligned_const); + printf("Unaligned variable copy size = %8.3f\n", time_unaligned); + printf("Unaligned constant copy size = %8.3f\n", time_unaligned_const); free_buffers(); return 0;