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Re: NetBSD virtio drivers performance

On 08.08.2012 16:21, Emmanuel Kasper wrote:
> Hello
> I have a VPS machine hosted by a KVM ( Linux Kernel Virtual Machine )
> hoster in Germany which I am running happily since two years now a
> NetBSD system.
> I stumbled by chance on the fact that NetBSD 6 has virtio drivers ( by
> reading a post ... announcin a gsoc project to port them to
> DragonFlyBSD:
> so I decided to benchmark the virtio block driver with bonnie++.
> The raw results are here (with BETA_2 binaries )
> I tryed to concentrate myself on block writing performance, by using
> sync mounts on the host, and I got reprocible results by trunning the
> bonnie++ test three times in a row.
> So short said , with the virtio driver, NetBSD writes at 25MB/s and
> without it only 7MB/s.
> However i noticed the inclusion of this driver was quite confidential
> since I haven't found it in the list of changes:
> Shouldn't it be here as well ?

Yes it should. Thanks for the benchmarks and the notice :)

Jean-Yves Migeon

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