int main(int argc, char * argv[]) { size_t bytes = (argc>1) ? atol(argv[1]) : 1024*1024; int avail = hbw_check_available(); printf("%s returned %s\n", "hbw_check_available", avail==0 ? "SUCCESS" : "FAILURE"); assert(avail == 0); void * a = hbw_malloc(bytes); assert(a != NULL); hbw_free(a); void * b = hbw_calloc(bytes, 1); assert(b != NULL); hbw_free(b); void * c = hbw_realloc(NULL, bytes); printf("hbw_realloc c=%p\n", c); assert(c != NULL); void * d = hbw_realloc(c, 0); printf("hbw_realloc c=%p d=%p\n", c, d); void * e = NULL; int rc = hbw_posix_memalign(&e, 4096, bytes); printf("hbw_posix_memalign rc=%d e=%p\n", rc, e); assert(rc == 0 && e != NULL); return 0; }
int main(int argc, char **argv) { const size_t size = 512; char *default_str = NULL; char *hbw_str = NULL; char *hbw_hugetlb_str = NULL; int err = 0; default_str = (char *)malloc(size); if (default_str == NULL) { perror("malloc()"); fprintf(stderr, "Unable to allocate default string\n"); err = errno ? -errno : 1; goto exit; } hbw_str = (char *)hbw_malloc(size); if (hbw_str == NULL) { perror("hbw_malloc()"); fprintf(stderr, "Unable to allocate hbw string\n"); err = errno ? -errno : 1; goto exit; } err = hbw_posix_memalign_psize((void **)&hbw_hugetlb_str, 2097152, size, HBW_PAGESIZE_2MB); if (err) { perror("hbw_posix_memalign()"); fprintf(stderr, "Unable to allocate hbw hugetlb string\n"); err = errno ? -errno : 1; goto exit; } sprintf(default_str, "Hello world from standard memory\n"); sprintf(hbw_str, "Hello world from high bandwidth memory\n"); sprintf(hbw_hugetlb_str, "Hello world from high bandwidth 2 MB paged memory\n"); fprintf(stdout, "%s", default_str); fprintf(stdout, "%s", hbw_str); fprintf(stdout, "%s", hbw_hugetlb_str); exit: if (hbw_hugetlb_str) { hbw_free(hbw_hugetlb_str); } if (hbw_str) { hbw_free(hbw_str); } if (default_str) { free(default_str); } return err; }
static PetscErrorCode PetscHBWFree(void *aa,int lineno,const char function[],const char filename[]) { #if !defined(PETSC_HAVE_MEMKIND) return PetscFreeAlign(aa,lineno,function,filename); #else hbw_free(aa); return 0; #endif }
void seissol::memory::free(void* i_pointer, enum Memkind i_memkind) { #ifdef USE_MEMKIND if (i_memkind == Standard) { #endif ::free( i_pointer ); #ifdef USE_MEMKIND } else { hbw_free( i_pointer ); } #endif }
int main (int argc, char *argv[]) { void *ptr; int err = 0; hbw_set_policy(HBW_POLICY_BIND); printf ("Allocating 400 KB with 1GB pages\n"); err = hbw_posix_memalign_psize (&ptr, 1073741824, 409600, HBW_PAGESIZE_1GB); if (err) { fprintf(stderr, "ERROR: hbw_posix_memalign_size()\n"); } if (!err) { memset (ptr, 0, 409600); printf ("Reallocing 100KB with 1GB pages\n"); ptr = hbw_realloc (ptr, 102400); if (ptr == NULL) { fprintf(stderr, "ERROR: hbw_realloc()\n"); err = -1; } } if (!err) { memset (ptr, 0, 102400); printf ("Reallocing 1GB with 1GB pages\n"); ptr = hbw_realloc (ptr, 1073741824); if (ptr == NULL) { fprintf(stderr, "ERROR: hbw_realloc()"); err = -1; } } if (!err) { memset (ptr, 0, 1073741824); printf ("Reallocing 1073742848 with 1GB pages\n"); ptr = hbw_realloc (ptr, 1073742848); if (ptr == NULL) { fprintf(stderr, "ERROR: hbw_realloc()\n"); err = -1; } } if (!err) { memset (ptr, 0, 1073742848); } if (ptr) { hbw_free(ptr); } return err; }
/* This test is run with overridden MEMKIND_HBW_NODES environment variable * and tries to perform allocation from DRAM using hbw_malloc() using * default HBW_POLICY_PREFERRED policy. */ int main() { struct bitmask *expected_nodemask = NULL; struct bitmask *returned_nodemask = NULL; void *ptr = NULL; int ret = 0; int status = 0; ptr = hbw_malloc(KB); if (ptr == NULL) { printf("Error: allocation failed\n"); goto exit; } expected_nodemask = numa_allocate_nodemask(); status = memkind_hbw_all_get_mbind_nodemask(NULL, expected_nodemask->maskp, expected_nodemask->size); if (status != MEMKIND_ERROR_ENVIRON) { printf("Error: wrong return value from memkind_hbw_all_get_mbind_nodemask()\n"); printf("Expected: %d\n", MEMKIND_ERROR_ENVIRON); printf("Actual: %d\n", status); goto exit; } returned_nodemask = numa_allocate_nodemask(); status = get_mempolicy(NULL, returned_nodemask->maskp, returned_nodemask->size, ptr, MPOL_F_ADDR); if (status) { printf("Error: get_mempolicy() returned %d\n", status); goto exit; } ret = numa_bitmask_equal(returned_nodemask, expected_nodemask); if (!ret) { printf("Error: Memkind hbw and allocated pointer nodemasks are not equal\n"); } exit: if (expected_nodemask) { numa_free_nodemask(expected_nodemask); } if (returned_nodemask) { numa_free_nodemask(returned_nodemask); } if (ptr) { hbw_free(ptr); } return ret; }