From: Panu Matilainen <pmatilai@redhat.com>
Date: Thu, 15 Oct 2015 11:49:04 +0000 (+0300)
Subject: mempool: use a better default for number of memory channels
X-Git-Tag: spdx-start~8359
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=1a0c70a33a0c7c2b8934aadad2f72644f30f7249;p=dpdk.git

mempool: use a better default for number of memory channels

Optimize for quad-channel by default, this should work well for
all the cases, better than the previous value of one anyway.

Suggested-by: Bruce Richardson <bruce.richardson@intel.com>
Signed-off-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: David Marchand <david.marchand@6wind.com>
---

diff --git a/lib/librte_mempool/rte_mempool.c b/lib/librte_mempool/rte_mempool.c
index 8e185c5454..e57cbbda46 100644
--- a/lib/librte_mempool/rte_mempool.c
+++ b/lib/librte_mempool/rte_mempool.c
@@ -113,7 +113,7 @@ static unsigned optimize_object_size(unsigned obj_size)
 	/* get number of channels */
 	nchan = rte_memory_get_nchannel();
 	if (nchan == 0)
-		nchan = 1;
+		nchan = 4;
 
 	nrank = rte_memory_get_nrank();
 	if (nrank == 0)