[dpdk-dev] Performance issue with vmxnet3 pmd

Alex Markuze alex at weka.io
Wed Aug 13 10:13:30 CEST 2014


HI Guys, I will continue this thread.

On ubuntu 14.4 (Kernel 3.13) with DPDK 1.7 vmxnet3-usermap 1.2 doesn't compile.
>From the git it seems to have been updated 3 months ago.
Is this project going to be killed? And should I look for different
alternatives.

On Tue, Jul 8, 2014 at 6:08 PM, Hyunseok <hyunseok at ieee.org> wrote:
> Thomas,
>
> The last time I tried vmxnet3-usermap a couple of weeks ago, it did not
> compile against the latest kernel (3.11).  Is it still the case?  Or do you
> have the latest version which is compatible with newer kernels?
>
> Also, do you have any benchmark numbers with vmxnet3-usermap in any chance?
>
> Regards,
> -Hyunseok
>
>
>
>
> On Tue, Jul 8, 2014 at 3:05 AM, Thomas Monjalon <thomas.monjalon at 6wind.com>
> wrote:
>
>> Hi,
>>
>> 2014-07-07 18:22, Hyunseok:
>> > I was testing l2-fwd with vmxnet3 pmd (included in dpdk).
>>
>> Have you tested vmxnet3-usermap (http://dpdk.org/doc/vmxnet3-usermap)?
>>
>> > The maximum forwarding rate I got from vmxnet3 pmd with l2fwd is only 2.5
>> > to 2.8 Gbps.
>>
>> It could be interesting to know your exact testing procedure with numbers
>> for
>> vmxnet3-usermap.
>>
>> Thanks
>> --
>> Thomas
>>


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