Path: utzoo!mnetor!uunet!mcvax!enea!diab!pf
From: pf@diab.UUCP (Per Fogelstr|m)
Newsgroups: comp.arch
Subject: Re: Harvard Architecure
Message-ID: <373@ma.diab.UUCP>
Date: 21 Mar 88 07:41:45 GMT
References: <8803011911.AA06922@decwrl.dec.com> <3460011@hpsrla.HP.COM> <1071@PT.CS.CMU.EDU> <7614@apple.Apple.Com> <2594@pdn.UUCP>
Reply-To: pf@ma.UUCP (Per Fogelstr|m)
Organization: Diab Data AB, Taby, Sweden
Lines: 10

In article <2594@pdn.UUCP> alan@pdn.UUCP (0000-Alan Lovejoy) writes:
>The 68020 **CONSISTENTLY** benchmarks twice as fast with the instruction
>cache turned on (compared to its being turned off).  ...............
>
>--alan@pdn

From our experience tests has shown that turning off the internal cache in the
"020" results in a 20% slowdown if the external memory don't have wait states.

So Your figure must be from a system with slow external memory, right ??