Aligning the 'keys' array seems to have positive performance impact. Signed-off-by: Bhanuprakash Bodireddy <bhanuprakash.bodire...@intel.com> Co-authored-by: Antonio Fischetti <antonio.fische...@intel.com> --- lib/dpif-netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/dpif-netdev.c b/lib/dpif-netdev.c index 84aa570..93ea49d 100644 --- a/lib/dpif-netdev.c +++ b/lib/dpif-netdev.c @@ -4166,7 +4166,7 @@ dp_netdev_input__(struct dp_netdev_pmd_thread *pmd, /* Sparse or MSVC doesn't like variable length array. */ enum { PKT_ARRAY_SIZE = NETDEV_MAX_BURST }; #endif - struct netdev_flow_key keys[PKT_ARRAY_SIZE]; + struct netdev_flow_key keys[PKT_ARRAY_SIZE] OVS_ALIGNED_VAR(CACHE_LINE_SIZE); struct packet_batch_per_flow batches[PKT_ARRAY_SIZE]; long long now = time_msec(); size_t newcnt, n_batches, i; -- 2.4.11 _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev