From: bob@amscons.amscons.com (Bob Amstadt) Subject: Re: To cache or not to cache. Which machine to buy. Date: Fri, 12 Feb 1993 15:00:57 GMT
mcrocker@titan.ucs.umass.edu (MATTHEW S CROCKER) writes:
: on another note. I have 256kb external cache. With my micronics MB I
: can specify which region of RAM I want cached. If at all possible
: could I cache the area where the kernel lives only? this would in
: effect allow my to keep 90% of the kernel in the cache that should
: speed things up shouldn't it? Could linux do this itself on boot up?
It is possible with some chipsets to cache only certain areas. However,
this is not advisable, since the method you choose may not be the
optimal method. Let the cache do its job. Many people have found that
if only part of their memory is cached, they experience big performance
hits.