> -----Original Message----- > From: Richardson, Bruce > Sent: Tuesday, April 28, 2015 11:55 AM > To: Paul Emmerich > Cc: De Lara Guarch, Pablo; dev at dpdk.org > Subject: Re: [dpdk-dev] Performance regression in DPDK 1.8/2.0 > > On Tue, Apr 28, 2015 at 12:43:16PM +0200, Paul Emmerich wrote: > > Hi, > > > > sorry, I mixed up the hardware I used for my tests. > > > > > > Paul Emmerich <emmericp at net.in.tum.de>: > > > CPU: Intel(R) Xeon(R) CPU E3-1230 v2 > > > TurboBoost and HyperThreading disabled. > > > Frequency fixed at 3.30 GHz via acpi_cpufreq. > > > > The CPU frequency was fixed at 1.60 GHz to enforce > > a CPU bottleneck. > > > > > > My original post said that I used a Xeon E5-2620 v3 > > at 1.2 GHz, this is incorrect. The calculation for Cycles/Pkt > > in the original post used the correct 1.6 GHz figure, though. > > > > (I used the E5 CPU for the evaluation of my packet generator > > performance with 1.7.1/2.0.0, not for the l2fwd test.)
Thanks for the update. So, just for clarification, for l2fwd you used E3-1230 v2 (Ivy Bridge), at 1.6 GHz or 3.3 GHz? Pablo > > > > > > Sorry for the confusion. > > > > > > Paul > Thanks for the update - we are investigating. > > /Bruce