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Article #32587Re: 16MHz board -- fast CPU, slow memory?
From: Ross Alexander
Date: Wed, 18 May 1988 16:25
Date: Wed, 18 May 1988 16:25
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1098 bytes
Paul Close wonders (use `p' to read parent article) if a 16 MHz cpu running on the current ST motherboard would be an improvement. My answer is Yes. Of course I/O and memory accesses can't be improved due to the timing and other restrictions of the design. But many, many instructions of the MC68000 repetoire uses cycles for things other than memory access; for instance, division and multiplication times are almost completely CPU-clock-speed dependant rather than memory-speed dependant. On the whole, one might not (will not) get a two-to-one speed up, but for math-intensive applications such as ray-tracing you will notice the improvement. Ross Alexander, Athabasca University alberta!auvax!rwa
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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!lll-tis!ames!pacbell!att!alberta!auvax!rwa From: rwa@auvax.UUCP (Ross Alexander) Newsgroups: comp.sys.atari.st Subject: Re: 16MHz board -- fast CPU, slow memory? Summary: 16 mhz _is_ a win Message-ID: <641@auvax.UUCP> Date: 18 May 88 16:25:25 GMT References: <725@cacilj.UUCP> Organization: Athabasca U., Alberta, Canada Lines: 12