isa-l/raid/pq_gen_perf.c

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#include<stdio.h>
#include<stdint.h>
#include<string.h>
#include<stdlib.h>
#include "raid.h"
#include "test.h"

//#define CACHED_TEST
#ifdef CACHED_TEST
// Cached test, loop many times over small dataset
# define TEST_SOURCES 10
# define TEST_LEN     8*1024
# define TEST_TYPE_STR "_warm"
#else
# ifndef TEST_CUSTOM
// Uncached test.  Pull from large mem base.
#  define TEST_SOURCES 10
#  define GT_L3_CACHE  32*1024*1024	/* some number > last level cache */
#  define TEST_LEN     ((GT_L3_CACHE / TEST_SOURCES) & ~(64-1))
#  define TEST_TYPE_STR "_cold"
# else
#  define TEST_TYPE_STR "_cus"
# endif
#endif

#define TEST_MEM ((TEST_SOURCES + 2)*(TEST_LEN))

int main(int argc, char *argv[])
{
	int i;
	void *buffs[TEST_SOURCES + 2];
	struct perf start;

	printf("Test pq_gen_perf %d sources X %d bytes\n", TEST_SOURCES, TEST_LEN);

	// Allocate the arrays
	for (i = 0; i < TEST_SOURCES + 2; i++) {
		int ret;
		void *buf;
		ret = posix_memalign(&buf, 64, TEST_LEN);
		if (ret) {
			printf("alloc error: Fail");
			return 1;
		}
		buffs[i] = buf;
	}

	// Setup data
	for (i = 0; i < TEST_SOURCES + 2; i++)
		memset(buffs[i], 0, TEST_LEN);

	// Warm up
	BENCHMARK(&start, BENCHMARK_TIME, pq_gen(TEST_SOURCES + 2, TEST_LEN, buffs));
	printf("pq_gen" TEST_TYPE_STR ": ");
	perf_print(start, (long long)TEST_MEM);

	return 0;
}