[dpdk-dev] Performance regression in DPDK 1.8/2.0

[Bruce Richardson]

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.)
> 
> 
> Sorry for the confusion.
> 
> 
> Paul
Thanks for the update - we are investigating.

/Bruce