Author: Matt Taylor
Date: 15:20:22 03/21/03
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On March 20, 2003 at 18:39:21, Matt Taylor wrote: <snip> >I'll try disabling the ECC on my ram. There isn't anything I can do about it >being registered, and I can't tweak any of the settings to get a fair registered >vs. non-registered on AMD 760MPX benchmark. LMBench reports 201.6 with ECC disabled and 201.7 with ECC enabled. I don't think ECC makes a difference, or at least in my case. (It is possible that disabling ECC really doesn't.) I don't have anything to compare my ram with since I can't control timings on this board. LMBench & ScienceMark usually coincide very nicely. My old figures from ScienceMark were ~133 ns. I retested and now get 198-199 ns. I ran ScienceMark on my work machine which also uses an AMD 760MPX chipset. The latency I got from ScienceMark was about equal (197-198 ns). So it seems the 133 ns figure was wrong. I get 200 ns on the 760 MPX. Of course, both machines are using Registered/ECC ram. The figure could be lower if I wanted to minimize latency. -Matt
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