[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-18 Thread Bruce Richardson
rdson, Bruce wrote: > > > > > > > > > -Original Message- > > > > > From: Neil Horman [mailto:nhorman at tuxdriver.com] > > > > > Sent: Wednesday, September 17, 2014 4:21 PM > > > > > To: Richardson, Bruce > > > > > Cc: dev at dpdk

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-18 Thread Bruce Richardson
7, 2014 4:21 PM > > > To: Richardson, Bruce > > > Cc: dev at dpdk.org > > > Subject: Re: [dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve > > > slow-path tx > > > perf > > > > > > On Wed, Sep 17, 2014 at 11:01:39AM +0100,

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-18 Thread Neil Horman
2014 4:21 PM > > > > > > To: Richardson, Bruce > > > > > > Cc: dev at dpdk.org > > > > > > Subject: Re: [dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve > > > > > > slow-path tx > > > > > > per

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-18 Thread Neil Horman
> From: Neil Horman [mailto:nhorman at tuxdriver.com] > > > > Sent: Wednesday, September 17, 2014 4:21 PM > > > > To: Richardson, Bruce > > > > Cc: dev at dpdk.org > > > > Subject: Re: [dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve > > > >

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-17 Thread Richardson, Bruce
> -Original Message- > From: Neil Horman [mailto:nhorman at tuxdriver.com] > Sent: Wednesday, September 17, 2014 4:21 PM > To: Richardson, Bruce > Cc: dev at dpdk.org > Subject: Re: [dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path > tx > perf >

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-17 Thread Neil Horman
> Subject: Re: [dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve > > slow-path tx > > perf > > > > On Wed, Sep 17, 2014 at 11:01:39AM +0100, Bruce Richardson wrote: > > > Make a small improvement to slow path TX performance by adding in a > > > prefetch

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-17 Thread Neil Horman
On Wed, Sep 17, 2014 at 11:01:39AM +0100, Bruce Richardson wrote: > Make a small improvement to slow path TX performance by adding in a > prefetch for the second mbuf cache line. > Also move assignment of l2/l3 length values only when needed. > > Signed-off-by: Bruce Richardson > --- > lib/librt

[dpdk-dev] [PATCH 2/5] ixgbe: add prefetch to improve slow-path tx perf

2014-09-17 Thread Bruce Richardson
Make a small improvement to slow path TX performance by adding in a prefetch for the second mbuf cache line. Also move assignment of l2/l3 length values only when needed. Signed-off-by: Bruce Richardson --- lib/librte_pmd_ixgbe/ixgbe_rxtx.c | 12 +++- 1 file changed, 7 insertions(+), 5 d