diff options
Diffstat (limited to 'test/test/test_memcpy_perf.c')
| -rw-r--r-- | test/test/test_memcpy_perf.c | 51 |
1 files changed, 39 insertions, 12 deletions
diff --git a/test/test/test_memcpy_perf.c b/test/test/test_memcpy_perf.c index ff3aaaac..f1084ca1 100644 --- a/test/test/test_memcpy_perf.c +++ b/test/test/test_memcpy_perf.c @@ -35,6 +35,7 @@ #include <stdio.h> #include <string.h> #include <stdlib.h> +#include <sys/time.h> #include <rte_common.h> #include <rte_cycles.h> @@ -217,8 +218,9 @@ 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 +302,9 @@ 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 +321,47 @@ 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; |