Re: why not inline all functions?

"Phillip Toland" <p.toland@computer.org>
11 Jun 1998 16:10:19 -0400

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Related articles
why not inline all functions? sanvitam@std.teradyne.com (Mark Sanvitale) (1998-06-09)
Re: why not inline all functions? cliff.click@Eng.Sun.COM (Clifford Click) (1998-06-11)
Re: why not inline all functions? p.toland@computer.org (Phillip Toland) (1998-06-11)
Re: why not inline all functions? f81@ix.urz.uni-heidelberg.de (Joerg Schoen) (1998-06-11)
Re: why not inline all functions? bje@cygnus.com (Ben Elliston) (1998-06-11)
Re: why not inline all functions? ayers@incert.com (Andy Ayers) (1998-06-11)
Re: why not inline all functions? mcdirmid@beaver.cs.washington.edu (1998-06-11)
Re: why not inline all functions? portland@uswest.net (Thomas Niemann) (1998-06-11)
Re: why not inline all functions? wclodius@aol.com (1998-06-11)
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From: "Phillip Toland" <p.toland@computer.org>
Newsgroups: comp.compilers
Date: 11 Jun 1998 16:10:19 -0400
Organization: epix Internet Services
References: 98-06-032
Keywords: optimize, practice

The Microsoft Visual C/C++ compiler has two levels of optimization WRT
inline functions: "inline only functions marked with __inline" and "inline
any suitable function". As I understand it, the compiler uses complicated
hueristics to determine if it is worthwhile to inline a function. It will
look at things like the size of the function and how many times it is
called.


--Phil
p.toland@computer.org


Mark Sanvitale wrote in message 98-06-032...
>Perhaps compilers already take advantage of the idea I have outlined or
>perhaps there are some problems with the idea which I don't know about
>(an old C++ book I have says, "Compiler limits prevent complicated
>functions from being inlined," but no further explanation is given.
--

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