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// SPDX-License-Identifier: BSD-2-Clause
/* Copyright (C) 2016 - 2021 Intel Corporation. */
#include <limits.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>
#include <time.h>
#include <unistd.h>
#ifdef _OPENMP
#include <omp.h>
#endif
#if defined(HBWMALLOC)
#include <hbwmalloc.h>
#define MALLOC_FN hbw_malloc
#define FREE_FN hbw_free
#elif defined(TBBMALLOC)
#include "tbbmalloc.h"
void *(*scalable_malloc)(size_t);
void *(*scalable_realloc)(void *, size_t);
void *(*scalable_calloc)(size_t, size_t);
void (*scalable_free)(void *);
#define MALLOC_FN scalable_malloc
#define FREE_FN scalable_free
#elif defined(PMEMMALLOC)
#include "memkind.h"
#include <sys/stat.h>
#define MALLOC_FN(x) memkind_malloc(pmem_bench_kind, (x))
#define FREE_FN(x) memkind_free(pmem_bench_kind, (x))
static const size_t PMEM_PART_SIZE = 0;
static const char *PMEM_DIR = "/tmp/";
static memkind_t pmem_bench_kind;
#else
#define MALLOC_FN malloc
#define FREE_FN free
#endif
double ctimer(void);
void usage(char *name);
int main(int argc, char *argv[])
{
#ifdef _OPENMP
int nthr = omp_get_max_threads();
#else
int nthr = 1;
#endif
long n, size;
size_t alloc_size;
unsigned long i;
double dt, t_start, t_end, t_malloc, t_free, t_first_malloc, t_first_free,
malloc_time = 0.0, free_time = 0.0, first_malloc_time, first_free_time;
void *ptr;
#ifdef TBBMALLOC
int ret;
ret = load_tbbmalloc_symbols();
if (ret) {
printf("Error: TBB symbols not loaded (ret: %d)\n", ret);
return EXIT_FAILURE;
}
#endif
#ifdef PMEMMALLOC
struct stat st;
/* Handle command line arguments */
if (argc == 3 || argc == 4) {
n = atol(argv[1]);
size = atol(argv[2]);
if (argc == 4) {
if (stat(argv[3], &st) != 0 || !S_ISDIR(st.st_mode)) {
usage(argv[0]);
return EXIT_FAILURE;
} else {
PMEM_DIR = argv[3];
}
}
}
if ((argc != 3 && argc != 4) || n < 0 || size < 0 ||
size > (LONG_MAX >> 10)) {
usage(argv[0]);
return EXIT_FAILURE;
}
int err = memkind_create_pmem(PMEM_DIR, PMEM_PART_SIZE, &pmem_bench_kind);
if (err) {
printf("Error: memkind_create_pmem failed %d\n", err);
return EXIT_FAILURE;
}
#else
/* Handle command line arguments */
if (argc == 3) {
n = atol(argv[1]);
size = atol(argv[2]);
}
if (argc != 3 || n < 0 || size < 0 || size > (LONG_MAX >> 10)) {
usage(argv[0]);
return EXIT_FAILURE;
}
#endif
alloc_size = (size_t)size * 1024;
/* Get pagesize and compute page_mask */
const size_t page_size = sysconf(_SC_PAGESIZE);
const size_t page_mask = ~(page_size - 1);
/* Warm up */
t_first_malloc = ctimer();
ptr = MALLOC_FN(alloc_size);
first_malloc_time = ctimer() - t_first_malloc;
if (ptr == NULL) {
printf("Error: first allocation failed\n");
return EXIT_FAILURE;
}
t_first_free = ctimer();
FREE_FN(ptr);
first_free_time = ctimer() - t_first_free;
ptr = NULL;
t_start = ctimer();
#pragma omp parallel private(i, t_malloc, t_free, ptr) \
reduction(max \
: malloc_time, free_time)
{
malloc_time = 0.0;
free_time = 0.0;
for (i = 0; i < n; i++) {
t_malloc = ctimer();
ptr = (void *)MALLOC_FN(alloc_size);
malloc_time += ctimer() - t_malloc;
#pragma omp critical
{
if (ptr == NULL) {
printf("Error: allocation failed\n");
exit(EXIT_FAILURE);
}
}
/* Make sure to touch every page */
char *end = ptr + alloc_size;
char *aligned_beg = (char *)((uintptr_t)ptr & page_mask);
while (aligned_beg < end) {
char *temp_ptr = (char *)aligned_beg;
char value = temp_ptr[0];
temp_ptr[0] = value;
aligned_beg += page_size;
}
t_free = ctimer();
FREE_FN(ptr);
free_time += ctimer() - t_free;
ptr = NULL;
}
}
t_end = ctimer();
dt = t_end - t_start;
printf("%d %lu %8.6f %8.6f %8.6f %8.6f %8.6f\n", nthr, size, dt / n,
malloc_time / n, free_time / n, first_malloc_time, first_free_time);
#ifdef PMEMMALLOC
err = memkind_destroy_kind(pmem_bench_kind);
if (err) {
printf("Error: memkind_destroy_kind failed %d\n", err);
return EXIT_FAILURE;
}
#endif
return EXIT_SUCCESS;
}
void usage(char *name)
{
#ifdef PMEMMALLOC
printf("Usage: %s <N> <SIZE> [DIR], where \n"
"N is an number of repetitions \n"
"SIZE is an allocation size in kbytes\n"
"DIR is a custom path for PMEM kind, (default: \"/tmp/\")\n",
name);
#else
printf("Usage: %s <N> <SIZE>, where \n"
"N is an number of repetitions \n"
"SIZE is an allocation size in kbytes\n",
name);
#endif
}
inline double ctimer()
{
struct timeval tmr;
gettimeofday(&tmr, NULL);
/* Return time in ms */
return (tmr.tv_sec + tmr.tv_usec / 1000000.0) * 1000;
}
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