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


From: Vincenzo Maffione
Subject: Re: [Qemu-devel] [PATCH RFC] virtio: proposal to optimize accesses to VQs
Date: Mon, 14 Dec 2015 18:16:22 +0100

2015-12-14 17:06 GMT+01:00 Paolo Bonzini <address@hidden>:
>
>
> 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

Yes, I will take a look at it.

Cheers,
  Vincenzo


-- 
Vincenzo Maffione



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