Re: [patch] CFS scheduler, -v6
From: Srivatsa Vaddagiri
Date: Sat Apr 28 2007 - 11:21:06 EST
On Sat, Apr 28, 2007 at 08:53:27PM +0530, Srivatsa Vaddagiri wrote:
> With the patch below applied, I ran a "time -p make -s -j10 bzImage"
On a 4CPU (accounting HT) Intel Xeon 3.6GHz box
> 2.6.20 + cfs-v6 -> 186.45 (real)
> 2.6.20 + cfs-v6 + this_patch -> 184.55 (real)
> or about ~1% improvement in real wall-clock time. This was with the default
> sched_granularity_ns of 6000000. I suspect larger the value of
> sched_granularity_ns and the number of (SCHED_NORMAL) tasks in system, better
> the benefit from this caching.
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