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 MB/sec > > > > Hmm.. suspicious results: probably not enough free memory for a > > proper test. Mine has 768mb of ddr2100 (1x256, 1x512) > 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 Disk is a Maxtor 8mb 160gb 7200rpm, on a VIA chipset: mental-graffiti:/proc/ide# lspci ...<snip>... 0000:00:11.1 IDE interface: VIA Technologies, Inc. VT82C586A/B/VT82C686/A/B/VT823x/A/C/VT8235 PIPC Bus Master IDE (rev 06) ...</snip>... Not sure if its UDMA 100 or 133 -- -johann koenig Now Playing: Me First And The Gimme Gimmes - Over The Rainbow : Are A Drag Today is Prickle-Prickle, the 26th day of Discord in the YOLD 3170 My public pgp key: http://mental-graffiti.com/pgp/johannkoenig.pgp
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