> -----Original Message----- > From: Xu, Qian Q > Sent: Friday, July 24, 2015 2:09 AM > To: De Lara Guarch, Pablo; Qiu, Michael; dev at dpdk.org > Subject: RE: [dpdk-dev] [PATCH] examples/l3fwd: increase lookup burst size > to 8 > > And this patch will be only related to exact match, the common usage of lpm > is not impacted.
That is right, thanks for pointing it out, Qian! Pablo > > Thanks > Qian > > -----Original Message----- > From: dev [mailto:dev-bounces at 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>
