Re: [patch] CFS scheduler, -v6

[Srivatsa Vaddagiri]

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"
> test.

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.

-- 
Regards,
vatsa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/