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On Sat, 22 Feb 2003 02:43 pm, you wrote: > > > > 10x 120GB WD HDD, ServerWorks Grand Champion LE. > > > > I am running RH7.3 with 2.4.20 kernel. The performance of this box > > > > is about half of an almost identical box (Supermicro X5DP8-G2 mobo, > > > > E7501 > > well, I've rarely seen anyone claiming good performance for any SW chipset, > especially compared to i75xx's. I wonder where the problem lies? Is it hardware/software? > > > Here is a rough comparison of E7500, E7501 and the ServerWorks Chipset: > > I don't really understand the column headed "E7500E7501". which is it? > 7500 (dual PC1600) or 7501 (dual pc2100)? > > > | Benchmark | E7500E7501 | ServerWorks | GrandChampion LE | > > > > ========================================================================= > >= > > > > | Nbench (integer index) | 33.47 | 38.78 | 10.61 | > > oh, maybe the headers are just broken? I can readily believe that You are right, the header is broken. > 7500 is 33, 7501 is a little higher, and GCLE is a lot lower. > remember that this benchmark spends most of its time in strcpy/strcmp... > > hmm, I'd be curious to see whether lmbench indicates the GCLE's memory > latency is much higher than Intel's. your hdparm -t score indicates that > the GCLE doesn't have a memory *bandwidth* problem. Yeah, I noticed that too, buffer cache read is pretty impressive actually. I haven't had a chance to run lmbench as it takes about 5 hours to complete. Will probably do it within these couple of days. - 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/ | ||||||||||||
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