Assembly hacker vs. compiler revisited

Steven Novack <snovack@enterprise.ICS.UCI.EDU>
Thu, 8 Apr 1993 20:12:16 GMT

          From comp.compilers
Related articles
object code vs. assembler code John_Burton@gec-epl.co.uk (1993-02-19)
Re: object code vs. assembler code (Detailed response) clyde@hitech.com.au (1993-02-22)
Assembly hacker vs. compiler revisited snovack@enterprise.ICS.UCI.EDU (Steven Novack) (1993-04-08)
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Newsgroups: comp.compilers
From: Steven Novack <snovack@enterprise.ICS.UCI.EDU>
Keywords: assembler, optimize
Organization: Compilers Central
References: 93-02-105 93-02-122
Date: Thu, 8 Apr 1993 20:12:16 GMT

A month or so ago there was a debate on in this group about the question
of by how much, if at all, a good assembly language programmer could beat
the best compiler. Someone on the assembly side mentioned an example
wherein handcoding a data compression algorithm was able to achieve an 8
fold improvement over compiling the same algorithm written in a high level
language.


I would greatly appreciate receiving more information on this example, or
any others, in which hand-coding provides significant improvements over
compiling high-level implementations. I'm interested in any aspect of
this from where benefits are obtained throughout an application, all the
way down to little, but useful ``tricks'' that would be missed by most
compilers.


Thanks in advance,
Steve Novack


Dept. of Information and Computer Science
University of California, Irvine, CA 92717
snovack@ics.uci.edu
(714) 725-2248
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