The importance of caching versus CPU-speed on a PC-based workstation

Subject: The importance of caching versus CPU-speed on a PC-based workstation
From: Frank Peacock (peacock@essc.psu.edu)
Date: Sun Jan 24 1999 - 10:51:55 MST

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Hello

I am intending to run CCM3 on a PC-based machine. I am not sure of the
relative importance of cache size to processor speed for improved
forecasting time.

The present considered machines are either:

a 450MHz Xion with 512Kb cache OR

a 400MHz Xion with 1 Mb cache.

Is there a simple answer to this dilemma or has anyone tested something
along these lines?

Since our memory setup will be totally in-core does this permit the cache
to be utilized and is the spectral data ordering scheme for non-vectored
computers possible, with no added programming, on a cached PC-machine?

Cheers

Frank

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