Re: [BENCHMARK] 2.5.43-mm2 with contest

From: Con Kolivas (conman@kolivas.net)
Date: Thu Oct 17 2002 - 05:56:38 EST


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Thursday 17 Oct 2002 6:01 pm, Andrew Morton wrote:
> Con Kolivas wrote:
> > Here are the updated benchmarks with contest v0.51
> > (http://contest.kolivas.net) showing the change from -mm1 to -mm2. Other
> > results removed for clarity.
> >
> > noload:
> > Kernel [runs] Time CPU% Loads LCPU% Ratio
> > 2.4.18 [3] 71.8 93 0 0 1.01
> > 2.5.43 [2] 74.6 92 0 0 1.04
> > 2.5.43-mm1 [4] 74.9 93 0 0 1.05
> > 2.5.43-mm2 [2] 73.4 93 0 0 1.03
>
> Would be interesting to run
>
> blockdev --setra 1024 /dev/hdXX
>
> here. We're getting more idle time with 2.5 and that can only
> be due to disk wait - the IO scheduler changes. This might make a
> small difference.

Well that isn't it (b is with ra 1024):

2.5.43-mm2 [2] 73.4 93 0 0 1.03
2.5.43-mm2b [3] 76.4 94 0 0 1.07

>
> > ...
> > Removal of per-cpu pages patch does not seem to have been detrimental to
> > contest benchmarks at least - perhaps this is responsible for the noload
> > being better now?
>
> Well that code is still there. I'd expect a very small benefit from it
> in this testing.

Sorry. Misunderstood your announce message.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.0.7 (GNU/Linux)

iD8DBQE9rpdrF6dfvkL3i1gRAu5AAJ9B3LJ3kuplNHdhJGsW785CJ2i4GgCfRs9W
d2BW4cSQaanL/FjJTu3gU9k=
=+Foh
-----END PGP SIGNATURE-----

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



This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:00:33 EST