Re: [PATCH V6 0/2] Improve virtio-blk performance

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On Tue, Aug 07, 2012 at 04:47:13PM +0800, Asias He wrote:
> 1) Ramdisk device
>      With bio-based IO path, sequential read/write, random read/write
>      IOPS boost         : 28%, 24%, 21%, 16%
>      Latency improvement: 32%, 17%, 21%, 16%
> 2) Fusion IO device
>      With bio-based IO path, sequential read/write, random read/write
>      IOPS boost         : 11%, 11%, 13%, 10%
>      Latency improvement: 10%, 10%, 12%, 10%

Do you also have numbers for normal SAS/SATA disks?  The changelog should
have a reall good explanation of why this is optional, and numbers are a
very important part of that.

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