[OPEN-ILS-DEV] PATCH: utils.c (performance of file_to_string())

[Mike Rylander]

On Sun, Mar 9, 2008 at 11:56 AM, Scott McKellar <mck9 at swbell.net> wrote:
> This patch changes the file_to_string function to use fread() instead
>  of fgets().  Since we're loading the entire file into memory, there's
>  no reason to load it one line at a time.

Applied.

>
>  I compared both versions with a benchmark that loaded a 33 KB text
>  file,
>  taking care to minimize the effects of IO caching by the OS by loading
>  the same file repeatedly.  The timings varied somewhat, but the new
>  version was consistently about 7 to 9 times as fast as the old one.
>  Of course we're talking about only a couple of milliseconds...
>
>  Scott McKellar
>  http://home.swbell.net/mck9/ct/
>
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-- 
Mike Rylander
 | VP, Research and Design
 | Equinox Software, Inc. / The Evergreen Experts
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