Messages in this thread | | | Date | Tue, 04 May 1999 07:33:33 -0400 | From | Mark Lord <> | Subject | Re: [off-topic] Re: Kenwood/Hi-Val True-X 40x CDROM drive. |
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"Mike A. Harris" wrote: > > On Tue, 4 May 1999, M.Brands wrote: > > >> >I've given up on hdparm. With my generic IDE disk, I get 8 MB/sec, and > >> >about 22 MB/sec if I read from the cache. ... > >> /dev/hda: > >> Timing buffer-cache reads: 64 MB in 1.69 seconds =37.87 MB/sec > >> Timing buffered disk reads: 32 MB in 3.29 seconds = 9.73 MB/sec ... > It is important when running benchmark tests such as this to not > have any processes running on the machine (idle machine). Also, > run the tests several times to ensure the data is constant. ...
It's also very important to run a more recent (aka "bug-fixed") version of hdparm than the one you he was using.
Try the measures again with hdparm-3.5, which doesn't get as easily fooled by large memory sizes.. -- mlord@pobox.com
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