From: Bruce Richardson <bruce.richardson@intel.com>
To: Paul Emmerich <emmericp@net.in.tum.de>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] Performance regression in DPDK 1.8/2.0
Date: Tue, 28 Apr 2015 11:55:06 +0100 [thread overview]
Message-ID: <20150428105505.GA7484@bricha3-MOBL3> (raw)
In-Reply-To: <47D837AA-FE82-45A1-AC3D-3CF600F5CC19@net.in.tum.de>
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@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
next prev parent reply other threads:[~2015-04-28 10:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-26 18:50 Paul Emmerich
2015-04-27 8:06 ` Pavel Odintsov
2015-04-27 17:38 ` De Lara Guarch, Pablo
2015-04-27 22:28 ` Paul Emmerich
2015-04-28 5:50 ` Matthew Hall
2015-04-28 10:56 ` Paul Emmerich
2015-04-28 10:43 ` Paul Emmerich
2015-04-28 10:55 ` Bruce Richardson [this message]
2015-04-28 11:32 ` De Lara Guarch, Pablo
2015-04-28 10:58 ` Bruce Richardson
2015-04-28 11:31 ` De Lara Guarch, Pablo
2015-04-28 11:48 ` Paul Emmerich
2015-05-05 14:56 ` De Lara Guarch, Pablo
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