From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Date: Thu, 30 Jun 2016 12:16:36 +0000 (+0530)
Subject: mempool: optimize copy in cache
X-Git-Tag: spdx-start~6329
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=863bfb47449363b5ac8c9574c7247a06a2aaf1c1;p=dpdk.git

mempool: optimize copy in cache

Replace C memcpy code semantics with optimized rte_memcpy.

Signed-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>
Tested-by: David Hunt <david.hunt@intel.com>
Acked-by: Olivier Matz <olivier.matz@6wind.com>
---

diff --git a/lib/librte_mempool/rte_mempool.h b/lib/librte_mempool/rte_mempool.h
index b2a51976d0..c8a81e2da7 100644
--- a/lib/librte_mempool/rte_mempool.h
+++ b/lib/librte_mempool/rte_mempool.h
@@ -74,6 +74,7 @@
 #include <rte_memory.h>
 #include <rte_branch_prediction.h>
 #include <rte_ring.h>
+#include <rte_memcpy.h>
 
 #ifdef __cplusplus
 extern "C" {
@@ -1028,7 +1029,6 @@ static inline void __attribute__((always_inline))
 __mempool_generic_put(struct rte_mempool *mp, void * const *obj_table,
 		      unsigned n, struct rte_mempool_cache *cache, int flags)
 {
-	uint32_t index;
 	void **cache_objs;
 
 	/* increment stat now, adding in mempool always success */
@@ -1052,8 +1052,7 @@ __mempool_generic_put(struct rte_mempool *mp, void * const *obj_table,
 	 */
 
 	/* Add elements back into the cache */
-	for (index = 0; index < n; ++index, obj_table++)
-		cache_objs[index] = *obj_table;
+	rte_memcpy(&cache_objs[0], obj_table, sizeof(void *) * n);
 
 	cache->len += n;