On Sat, Apr 10, 2004 at 11:15:00AM -0400, Roberto Sanchez wrote: > Johann Koenig wrote: > >On Friday April 9 at 06:42pm Warren Dodge <warren.dodge@akamail.com> wrote: > > > On Apr 9, 2004, at 10:00 AM, Roberto Sanchez wrote: > > > > My only complaint is that my hdparm performance seems to suck quite > > > > badly: > > > > # hdparm -tT /dev/hda > > > > /dev/hda: > > > > Timing buffer-cache reads: 128 MB in 1.85 seconds = 69.19 MB/sec > > > > Timing buffered disk reads: 64 MB in 1.53 seconds = 41.83 M1B/sec > > > > > > 40 MB / sec. is about right for current IDE drives. > > > > Perhaps for buffered disk reads, but certainly not for buffer-cache > > reads: > > > > mental-graffiti:/home/jkoenig# hdparm -Tt /dev/hda > > > > /dev/hda: > > Timing buffer-cache reads: 588 MB in 2.00 seconds = 294.00 MB/sec > > Timing buffered disk reads: 136 MB in 3.02 seconds = 45.03 MB/sec > > Your is probably UDMA 133. Mine is a Maxtor Diamond Max 120 GB, and > it is UDMA 133. My other box, with a Western Digital UDMA 100 drive, > gets like 800-900 MB/s in buffer-cache reads. > > I am really stumped on this. Just a random sparkle of the neurons, but have you somehow got your FSB clocked really slow in the BIOS? What sort of figures does memtest86 report for memory access speed? -- Pigeon Be kind to pigeons Get my GPG key here: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x21C61F7F
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