Re: Memory performance on Serverworks GC-LE based system poor?

From: Dave Jones (davej@codemonkey.org.uk)
Date: Sun Nov 10 2002 - 19:51:43 EST


On Mon, Nov 11, 2002 at 01:30:13AM +0100, Martin Knoblauch wrote:

> I have experienced extreme low STREAMS numbers (about 600 MB/sec for Triad)
> on two dual CPU systems based on the ServerWorks GC-LE chipset (SuperMicro
> P4DLR+ mainboard). Both systems had 2x2.4 GHz XEONs, 4GB of DDR memory and
> were running kernel 2.4.18. I would usually expect STREAMS numbers of about
> 2000 MB/sec for this kind of systems.
>
> Does this ring any bells?

ISTR serverworks LE errata with MTRRs and write-combining.
Whether this is biting you or not I can't say.

                Dave

-- 
| Dave Jones.        http://www.codemonkey.org.uk
| SuSE Labs
-
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 : Fri Nov 15 2002 - 22:00:21 EST