From: pcg@aber.ac.uk (Piercarlo Grandi) Subject: Re: 486 caches -- testing and enabling Date: Mon, 7 Jun 1993 00:30:09 GMT
>>> On 2 Jun 1993 19:23:14 GMT, pgf@cayman.com (Paul Fox) said:
Fox> I was using the dhrystone2.1 tests. I have a DX2/66, so I would
Fox> expect to see a clear effect from both the on-chip and off chip
Fox> caches. The external cache is 256K.
The dhrystone test is so small it resides entirely within the 8KB on
chip cache. It will not make any use of the external cache.
Fox> Any suggestions on how to verify any of this?
Write your own benchmark, with a parameter that you can change to try to
overflow first the internal cache, then the external one... ;-)
Bye!