Article View: comp.sys.mac
Article #26472Re: Shy pre-emption++
From: Larry Rosenstein
Date: Thu, 17 Mar 1988 18:37
Date: Thu, 17 Mar 1988 18:37
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1313 bytes
In article <2154@polya.STANFORD.EDU> ali@polya.UUCP (Ali Ozer) writes:
>
>Note that I'm not saying MultiFinder can't do these; with enough work
>anything is possible. You can kludge up you ray tracer and stick in
>calls to check the event queue. You'd need to put these in a lot
>places, though, as ray tracers tend to do off and run in floating
>point intensive loops for long periods of time. As soon as some event
Not true. I ported DBW Render from the Amiga, and used the MPW performance
measurement tools to find out where the CPU time was being spent. I only
need to add 2 calls to GetNextEvent to yield the CPU and get it to run in
the background.
--
Larry Rosenstein, Object Specialist
Apple Computer, Inc. 20525 Mariani Ave, MS 32E Cupertino, CA 95014
AppleLink:Rosenstein1 domain:lsr@Apple.COM
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Path: arc1-ca.pugleaf.net!utzoo!mnetor!uunet!lll-winken!lll-lcc!pyramid!voder!apple!lsr From: lsr@Apple.COM (Larry Rosenstein) Newsgroups: comp.sys.mac Subject: Re: Shy pre-emption++ Message-ID: <7723@apple.Apple.Com> Date: 17 Mar 88 18:37:01 GMT References: <7670@apple.Apple.Com> <6970@drutx.ATT.COM> <2154@polya.STANFORD.EDU> Reply-To: lsr@apple.UUCP (Larry Rosenstein) Organization: Advanced Technology Group, Apple Computer Lines: 17