And this patch will be only related to exact match, the common usage of lpm is not impacted.
Thanks Qian -----Original Message----- From: dev [mailto:dev-boun...@dpdk.org] On Behalf Of De Lara Guarch, Pablo Sent: Friday, July 24, 2015 8:29 AM To: Qiu, Michael; dev at dpdk.org Subject: Re: [dpdk-dev] [PATCH] examples/l3fwd: increase lookup burst size to 8 Hi Michael, > -----Original Message----- > From: Qiu, Michael > Sent: Thursday, July 23, 2015 6:26 PM > To: De Lara Guarch, Pablo; dev at dpdk.org > Subject: RE: [dpdk-dev] [PATCH] examples/l3fwd: increase lookup burst > size to 8 > > Hi, Pablo > > Is there any performance data for this change? With this change, performance increases around 12% compared to the version before the patch. Thanks, Pablo > > Thanks, > Michael > > -----Original Message----- > From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Pablo de Lara > Sent: Thursday, July 23, 2015 9:12 AM > To: dev at dpdk.org > Subject: [dpdk-dev] [PATCH] examples/l3fwd: increase lookup burst size > to 8 > > With the new hash implementation, the minimum lookup burst size to get > good performance is 8, since its internal pipeline consists of 4 > stages of 2 entries each, so to avoid duplication, burst size should be 8 or > more entries. > > Signed-off-by: Pablo de Lara <pablo.de.lara.guarch at intel.com>
