[Devel] Re: [RFC] IO scheduler based IO controller V9

[Vivek Goyal]

On Mon, Sep 07, 2009 at 10:14:06AM +0800, Gui Jianfeng wrote:
> Hi Vivek,
> 
> Here is the vanilla kernel and V9 comparision.
> 
>                            Normal Read  |  Random Read  |  Normal Write  |  Random Write
> 
> vanilla(Avg of 3 times)   67580 KiB/s     3540 KiB/s      61964 KiB/s      9823 KiB/s
> 
> V9(Avg of 3 times)        68954 KiB/s     3567 KiB/s      60654 KiB/s      9858 KiB/s
> 
> Performance                +2.0%           +0.7%          -2.1%             +0.3%
> 

Thanks Gui. So that's lot of improvements from previous versions. I remember
you were noticing 7% regressions in buffered write performance.

Thanks
Vivek
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