/*
* initialize allocator a with a custom free_set_size
* If the thread is not subscribed to the list of timestamps (used for GC),
* additionally subscribe the thread to the list
*/
void
ssmem_alloc_init_fs_size(ssmem_allocator_t* a, size_t size, size_t free_set_size, int id)
{
ssmem_num_allocators++;
ssmem_allocator_list = ssmem_list_node_new((void*) a, ssmem_allocator_list);
if (id == 0)
{
printf("[ALLOC] initializing allocator with fs size: %zu objects\n", free_set_size);
}
a->mem = (void*) memalign(CACHE_LINE_SIZE, size);
assert(a->mem != NULL);
a->mem_curr = 0;
a->mem_size = size;
a->tot_size = size;
a->fs_size = free_set_size;
a->mem_chunks = ssmem_list_node_new(a->mem, NULL);
ssmem_gc_thread_init(a, id);
a->free_set_list = ssmem_free_set_new(a->fs_size, NULL);
a->free_set_num = 1;
a->collected_set_list = NULL;
a->collected_set_num = 0;
a->available_set_list = NULL;
a->released_mem_list = NULL;
a->released_num = 0;
}
/*
* initialize allocator a with a custom free_set_size
* If the thread is not subscribed to the list of timestamps (used for GC),
* additionally subscribe the thread to the list
*/
void
ssmem_alloc_init_fs_size(ssmem_allocator_t* a, size_t size, size_t free_set_size, int id)
{
ssmem_num_allocators++;
ssmem_allocator_list = ssmem_list_node_new((void*) a, ssmem_allocator_list);
if (id == 0)
{
printf("[ALLOC] initializing allocator with fs size: %zu objects\n", free_set_size);
}
#if SSMEM_TRANSPARENT_HUGE_PAGES
int ret = posix_memalign(&a->mem, CACHE_LINE_SIZE, size);
assert(ret == 0);
#else
a->mem = (void*) memalign(CACHE_LINE_SIZE, size);
#endif
assert(a->mem != NULL);
#if SSMEM_ZERO_MEMORY == 1
memset(a->mem, 0, size);
#endif
a->mem_curr = 0;
a->mem_size = size;
a->tot_size = size;
a->fs_size = free_set_size;
a->mem_chunks = ssmem_list_node_new(a->mem, NULL);
ssmem_gc_thread_init(a, id);
a->free_set_list = ssmem_free_set_new(a->fs_size, NULL);
a->free_set_num = 1;
a->collected_set_list = NULL;
a->collected_set_num = 0;
a->available_set_list = NULL;
a->released_mem_list = NULL;
a->released_num = 0;
}
ssmem_free_set_t*
ssmem_free_set_get_avail(ssmem_allocator_t* a, size_t size, ssmem_free_set_t* next)
{
ssmem_free_set_t* fs;
if (a->available_set_list != NULL)
{
fs = a->available_set_list;
a->available_set_list = fs->set_next;
fs->curr = 0;
fs->set_next = next;
/* printf("[ALLOC] got free_set from available_set : %p\n", fs); */
}
else
{
fs = ssmem_free_set_new(size, next);
}
return fs;
}