Subject: Re: cache
To: None <amiga@NetBSD.ORG>
From: Michael van Elst <>
List: amiga
Date: 03/27/1996 02:21:08
Geert Uytterhoeven <> writes:

>Turning off all caches slows down the system by a factor of
>about 12, so there really is a big leap between RAM access and '040 internal
>cache access.

Sure. But you shouldn't think that this is a factor of about 12 :)

Disabling the caches effectively kills the internal pipelining too
and even if the RAM could be accessed at the maximum bus speed you
would see a gain from the internal caches.

                                Michael van Elst

                                "A potential Snark may lurk in every tree."