Re: [Qemu-devel] [PATCH RFC] virtio: proposal to optimize accesses to VQs

[Paolo Bonzini]

On 14/12/2015 15:51, Vincenzo Maffione wrote:
> 
> This patch slightly rewrites the code to reduce the number of accesses, since
> many of them seems unnecessary to me. After this reduction, the bottleneck
> jumps from 1 Mpps to 2 Mpps.
> 
> Patch is not complete (e.g. it still does not properly manage endianess, it is
> not clean, etc.). I just wanted to ask if you think the idea makes sense, and
> a proper patch in this direction would be accepted.

Yes, definitely.   I have even done a very similar change here:

        http://article.gmane.org/gmane.comp.emulators.qemu.block/6620

Can you review that patch, and possibly work on top of it?

Thanks,

Paolo