Re: Direct io on block device has performance regression on 2.6.xkernel

From: Andrew Morton
Date: Wed Mar 09 2005 - 23:15:23 EST

David Lang <dlang@xxxxxxxxxxxxxxxxxx> wrote:
> (I've seen a 50%
> performance hit on 2.4 with just a thousand or two threads compared to
> 2.6)

Was that 2.4 kernel a vendor kernel with the O(1) scheduler?
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