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Re: [Qemu-devel] [RFC 0/3] aio: experimental virtio-blk polling mode

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC 0/3] aio: experimental virtio-blk polling mode
Date: Mon, 14 Nov 2016 21:52:00 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 

On 14/11/2016 21:12, Karl Rister wrote:
>                  256    46,929
>                  512    35,627
>                1,024    46,477
>                2,000    35,247
>                2,048    46,322
>                4,000    46,540
>                4,096    46,368
>                8,000    47,054
>                8,192    46,671
>               16,000    46,466
>               16,384    32,504
>               32,000    20,620
>               32,768    20,807

Huh, it breaks down exactly when it should start going faster
(10^9/46000 = ~21000).

Paolo
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