Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!nrl-cmf!cmcl2!yale!lisper
From: lisper@yale.UUCP (Bjorn Lisper)
Newsgroups: comp.arch
Subject: Re: RISC is a nasty no-no!
Message-ID: <24422@yale-celray.yale.UUCP>
Date: 3 Mar 88 17:04:48 GMT
References: <179@wsccs.UUCP: <696@nuchat.UUCP: <284@scdpyr.UUCP> <25699@linus.UUCP> <11199@duke.cs.duke.edu> <25723@linus.UUCP> <8332@eddie.MIT.EDU> <7482@apple.UUCP> <7514@boring.cwi.nl> <17415@think.UUCP>
Reply-To: lisper@yale-celray.UUCP (Bjorn Lisper)
Organization: Yale University Computer Science Dept, New Haven CT
Lines: 13

In article <17415@think.UUCP> barmar@fafnir.think.com.UUCP (Barry Margolin) writes:
>In article <7514@boring.cwi.nl> dik@cwi.nl (Dik T. Winter) writes:
>>In article <7482@apple.UUCP> baum@apple.UUCP (Allen Baum) writes:
>> > (power of two array sizes are pretty common!),
>
>For scientific programming (the major application of supercomputers),
>is this really true?  What scientific applications naturally map onto
>power-of-two arrays?  I suspect that making arrays a power of two in
>size is a habit mostly of systems programmers, who know to make things
>fit neatly into memory pages in order to reduce paging.

FFT.

Bjorn Lisper