In case if this routine is really called to frequency, we can use readable
macros for this optimization.
Thanks. Dmitry.
> -----Original Message-----
> From: Andi Gutmans [mailto:[email protected]]
> Sent: Tuesday, March 14, 2006 8:57 AM
> To: Marcus Boerger; Ron Korving
> Cc: [email protected]
> Subject: Re: [PHP-DEV] Re: Calling performance geeks
>
>
> This one isn't a good idea. I bet it won't affect overal performance
> but makes the code much less maintainable.
> The others look OK (just took a quick glance)
>
> At 01:20 PM 3/13/2006, Marcus Boerger wrote:
> > > -----
> >
> > > In sapi/apache/mod_php5.c in the function
> > > php_apache_flag_handler_ex(),
> >
> > > the original:
> > > if (!strcasecmp(arg2, "On") || (arg2[0] == '1' &&
> arg2[1] == '\0')) {
> > > bool_val[0] = '1';
> > > } else {
> > > bool_val[0] = '0';
> > > }
> >
> > > is over 5 times slower than:
> >
> > > if (((arg2[0] == 'O' || arg2[0] == 'o') && (arg2[1] ==
> > > 'n' ||
> > > arg2[1] ==
> > > 'N') && (arg2[2] == '\0')) || (arg2[0] == '1'
> > > && arg2[1]
> == '\0')) {
> > > bool_val[0] = '1';
> > > } else {
> > > bool_val[0] = '0';
> > > }
> >
> > > -----
>
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