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Message from discussion Need debugging help!
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glen herrmannsfeldt  
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 More options Oct 28 2012, 5:55 pm
Newsgroups: comp.lang.fortran
From: glen herrmannsfeldt <g...@ugcs.caltech.edu>
Date: Sun, 28 Oct 2012 21:55:26 +0000 (UTC)
Local: Sun, Oct 28 2012 5:55 pm
Subject: Re: Need debugging help!
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Ron Shepard <ron-shep...@nospam.comcast.net> wrote:

(snip)

>> Where you can and your compilers support it, you can use
>> the contiguous attribute to improve the efficiency of assumed size.
> The CONTIGUOUS attribute is related to this issue, but for
> efficiency it can cut both ways.  First, I think CONTIGUOUS applies
> only to assumed shape arrays (and pointer arrays, which look like
> assumed shape in their declarations), it does not apply to assumed
> size or arrays with fixed dimensions which the compiler already
> knows are storage order contiguous.

Contiguous, or close to contiguous, also makes more efficient
use of the cache on modern processors.

-- glen


 
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