Aligning the 'keys' array seems to have positive performance impact.
Signed-off-by: Bhanuprakash Bodireddy <[email protected]>
Co-authored-by: Antonio Fischetti <[email protected]>
---
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
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