Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!purdue!bu.edu!xylogics!world!madd
From: madd@world.std.com (jim frost)
Newsgroups: comp.unix.aix
Subject: Re: file system speed (was Risc System/6000)
Message-ID: <1990Mar9.014800.4202@world.std.com>
Date: 9 Mar 90 01:48:00 GMT
References: <1660@aber-cs.UUCP> <6238@orca.wv.tek.com> <1153@maxim.erbe.se>
Organization: Saber Software
Lines: 16

prc@erbe.se (Robert Claeson) writes:
>In article <6238@orca.wv.tek.com>, andrew@frip.WV.TEK.COM (Andrew Klossner) writes:
>> 	Others top out at around 300KB per second."
>I just tried reading a 10 MB large file sequentially on our Encore
>Multimax. [...]
>I got well over 900 KB/sec throughput thru the BSD FFS on a
>non-striped partition under System V.

Current versions of UMAX (Encore's BSD) do a bit better than that.
But for good throughput, I'd like to see what Amdahl's UNIX does.
Remember that UNIX describes the interface, not the implementation or
the hardware.  You got good I/O, you got good throughput.

jim frost
saber software
jimf@saber.com