Re: [ovs-dev] [PATCH] tunnels: Don't initialize unnecessary packet metadata.

2015-07-01 Thread Jesse Gross
On Wed, Jul 1, 2015 at 3:12 PM, Ben Pfaff wrote: > On Tue, Jun 30, 2015 at 11:19:08PM -0700, Jesse Gross wrote: >> The addition of Geneve options to packet metadata significantly >> expanded its size. It was reported that this can decrease performance >> for DPDK ports by up to 25% since we need t

Re: [ovs-dev] [PATCH] tunnels: Don't initialize unnecessary packet metadata.

2015-07-01 Thread Ben Pfaff
On Tue, Jun 30, 2015 at 11:19:08PM -0700, Jesse Gross wrote: > The addition of Geneve options to packet metadata significantly > expanded its size. It was reported that this can decrease performance > for DPDK ports by up to 25% since we need to initialize the whole > structure on each packet recei

[ovs-dev] [PATCH] tunnels: Don't initialize unnecessary packet metadata.

2015-06-30 Thread Jesse Gross
The addition of Geneve options to packet metadata significantly expanded its size. It was reported that this can decrease performance for DPDK ports by up to 25% since we need to initialize the whole structure on each packet receive. It is not really necessary to zero out the entire structure beca