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 8e185c5..e57cbbd 100644 (file)
--- 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)