kimcinoo
/
efl
forked from enlightenment/efl
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

eina: introduce a simple malloc near implementation for Chained Mempool. 

This actually seems to significantly and reliably improve speed result with
expedite in a higher way than I expected (~10%) which is neat, I guess.

Reviewed-by: Mike Blumenkrantz <michael.blumenkrantz@gmail.com>
Differential Revision: https://phab.enlightenment.org/D10537
This commit is contained in:
Cedric BAIL 2019-10-25 09:11:06 -07:00
parent efbc90ff87
commit 313796a4f6
1 changed files with 51 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

52
src/modules/eina/mp/chained_pool/eina_chained_mempool.c
View File

@ -371,6 +371,56 @@ eina_chained_mempool_free(void *data, void *ptr)
return;
}
static void *
eina_chained_mempool_malloc_near(void *data,
void *after, void *before,
unsigned int size EINA_UNUSED)
{
Chained_Mempool *pool = data;
Chained_Pool *p = NULL;
void *mem = NULL;
if (!eina_spinlock_take(&pool->mutex))
{
#ifdef EINA_HAVE_DEBUG_THREADS
assert(eina_thread_equal(pool->self, eina_thread_self()));
#endif
}
if (after)
{
Eina_Rbtree *r = eina_rbtree_inline_lookup(pool->root, after,
0, _eina_chained_mp_pool_key_cmp, NULL);
if (r)
{
p = EINA_RBTREE_CONTAINER_GET(r, Chained_Pool);
if (!p->base && !p->last)
p = NULL;
}
}
if (before && p == NULL)
{
Eina_Rbtree *r = eina_rbtree_inline_lookup(pool->root, before,
0, _eina_chained_mp_pool_key_cmp, NULL);
if (r)
{
p = EINA_RBTREE_CONTAINER_GET(r, Chained_Pool);
if (!p->base && !p->last)
p = NULL;
}
}
if (p) mem = _eina_chained_mempool_alloc_in(pool, p);
eina_spinlock_release(&pool->mutex);
if (!mem) return eina_chained_mempool_malloc(pool, size);
return mem;
}
static Eina_Bool
eina_chained_mempool_from(void *data, void *ptr)
{
@ -727,7 +777,7 @@ static Eina_Mempool_Backend _eina_chained_mp_backend = {
&eina_chained_mempool_repack,
&eina_chained_mempool_from,
&eina_chained_mempool_iterator_new,
NULL
&eina_chained_mempool_malloc_near
};
Eina_Bool chained_init(void)