Re: High Level Language vs Assembly

"Randall Hyde" <rhyde@transdimension.com>
25 Feb 2001 10:58:09 -0500

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Related articles
[2 earlier articles]
Re: High Level Language vs Assembly rhyde@transdimension.com (Randall Hyde) (2001-02-23)
Re: High Level Language vs Assembly sophie.wilson@broadcom.com (Sophie Wilson) (2001-02-23)
Re: High Level Language vs Assembly iank@idiom.com (2001-02-23)
Re: High Level Language vs Assembly thp@hill.cs.ucr.edu (Tom Payne) (2001-02-25)
Re: High Level Language vs Assembly walter@bytecraft.com (Walter Banks) (2001-02-25)
Re: High Level Language vs Assembly walter@bytecraft.com (Walter Banks) (2001-02-25)
Re: High Level Language vs Assembly rhyde@transdimension.com (Randall Hyde) (2001-02-25)
Re: High Level Language vs Assembly max@max.mcs.gac.edu (Max Hailperin) (2001-02-25)
Re: High Level Language vs Assembly jacob@jacob.remcomp.fr (jacob navia) (2001-02-25)
Re: High Level Language vs Assembly tej@melbpc.org.au (Tim Josling) (2001-02-25)
Re: High Level Language vs Assembly henry@spsystems.net (2001-02-25)
Re: High Level Language vs Assembly fjh@cs.mu.OZ.AU (2001-02-25)
Re: High Level Language vs Assembly ts3@ukc.ac.uk (T.Shackell) (2001-03-01)
[16 later articles]
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From: "Randall Hyde" <rhyde@transdimension.com>
Newsgroups: comp.compilers
Date: 25 Feb 2001 10:58:09 -0500
Organization: Posted via Supernews, http://www.supernews.com
References: 01-02-094 01-02-110
Keywords: assembler, performance
Posted-Date: 25 Feb 2001 10:58:09 EST

The moderator opined:
> [I believe that you can hand-code small routines and beat a compiler,
> but not that you can hand-code large programs and do so. -John]


Of course, this depends upon how you define "large". But for programs
in the 20KLOC (C code range), I've found just the opposite to be true
-- it's more difficult to optimize the short routines rather than the
longer programs because there are less opportunities for global
reorganization.


Beyond about 20KLOC, the details are probably too mind numbing to
consider.


Randy Hyde

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