Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 11 Apr 1996 22:02:11 +0200 (MET DST)
From:      Luigi Rizzo <luigi@labinfo.iet.unipi.it>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        toor@dyson.iquest.net, bde@zeta.org.au, dutchman@spase.nl, freebsd-hackers@FreeBSD.org, se@zpr.uni-koeln.de
Subject:   Re: HDD cpu usage (IDE vs. SCSI).
Message-ID:  <199604112002.WAA15511@labinfo.iet.unipi.it>
In-Reply-To: <199604111957.FAA04906@godzilla.zeta.org.au> from "Bruce Evans" at Apr 12, 96 05:57:28 am

next in thread | previous in thread | raw e-mail | index | archive | help
> >Also, how comes that a 2X CDROM has such a low speed ?
> 
> Perhaps the drive doesn't buffer it.
> 
> >> SCSI 2.2X CDROM
> >> Command overhead is 5655 usec (time_4096 = 9033, time_8192 = 12410)
> >> transfer speed is 1.21281e+06 bytes/sec
> >> Command overhead is 5670 usec (time_4096 = 9046, time_8192 = 12422)
> >> transfer speed is 1.21324e+06 bytes/sec
> 
> It's 14 times faster than mine :-]:

WHoops... I read that as 121KB/s instead of 1.2MB/s ... sorry for the
confusion!

	Luigi
====================================================================
Luigi Rizzo                     Dip. di Ingegneria dell'Informazione
email: luigi@iet.unipi.it       Universita' di Pisa
tel: +39-50-568533              via Diotisalvi 2, 56126 PISA (Italy)
fax: +39-50-568522              http://www.iet.unipi.it/~luigi/
====================================================================



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199604112002.WAA15511>