Messages in this thread | | | Subject | Re: Memory performance on Serverworks GC-LE based system poor? | From | Alan Cox <> | Date | 11 Nov 2002 01:33:30 +0000 |
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On Mon, 2002-11-11 at 00:51, Dave Jones wrote: > 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.
Write combining would really only bite graphics cards. The only other performance errata I know about affects the CIOB20 earlier revisions (vendor serverworks id 0x0006)
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