Re: [gentoo-amd64] Mobo recommendations

[Mark Knecht]

On 10/17/05, Marcus D. Hanwell <cryos@g.o> wrote:
> On Monday 17 October 2005 20:36, Chris Frederick wrote:
> > James Pattinson wrote:
> > > <snip>
> > > Could some of you perhaps run hdparm -Tt on your root disk and let me
> > > know what you get? I get great performance off the disk but the cached
> > > read speed is about half the speed of my P4 box:
> > >
> > > amd64~ # hdparm -Tt /dev/sda
> > >
> > > /dev/sda:
> > > Timing cached reads:   1532 MB in  2.00 seconds = 765.95 MB/sec
> > > Timing buffered disk reads:   98 MB in  3.01 seconds =  32.58 MB/sec
> > >
> > > pentium4~ # hdparm -Tt /dev/sda
> > >
> > > /dev/sda:
> > > Timing cached reads:   2296 MB in  2.00 seconds = 1147.03 MB/sec
> > > Timing buffered disk reads:   44 MB in  3.02 seconds =  14.56 MB/sec
> >
> > AMD64 3.0 GHz:
> > /dev/hda:
> >   Timing cached reads:   1300 MB in  2.00 seconds = 649.45 MB/sec
> >   Timing buffered disk reads:   84 MB in  3.02 seconds =  27.80 MB/sec
> >
> > DUAL Zeon 2.6 GHz:
> > /dev/hda:
> >   Timing cached reads:   2196 MB in  2.00 seconds = 1096.52 MB/sec
> >   Timing buffered disk reads:  140 MB in  3.00 seconds =  46.61 MB/sec
> >
> Dual core X2 3800+ NForce4 (MSI) with Raptor 74 GB drive
> /dev/sda:
>  Timing cached reads:   3488 MB in  2.00 seconds = 1743.89 MB/sec
>  Timing buffered disk reads:  206 MB in  3.02 seconds =  68.21 MB/sec
>
> Turion64 Acer Ferrari 4005 laptop
> /dev/hda:
>  Timing cached reads:   1820 MB in  2.00 seconds = 909.94 MB/sec
>  Timing buffered disk reads:  108 MB in  3.01 seconds =  35.85 MB/sec
>
>
>
lightning ~ # hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   1732 MB in  2.00 seconds = 864.88 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate
ioctl for device
 Timing buffered disk reads:  196 MB in  3.00 seconds =  65.28 MB/sec
HDIO_DRIVE_CMD(null) (wait for flush complete) failed: Inappropriate
ioctl for device
lightning ~ #

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