On Wed, Aug 11, 2010 at 08:39, <[email protected]> wrote:
snip
> I haven't profiled it as Chas suggested, but I suspect the
> issue is due to the difference in perl versions.
>
> 5.8.8 on Linux
> 5.10.0 on Windows.
>
> My theory is that 5.10.x implemented some optimizations
> that improved the speed of strftime.
snip
Unlikely, I don't remember any big changes to strftime (it is
implemented by Perl_my_strftime in [util.c][0] if you want to check).
I ran your code against 5.12.1, 5.10.0, and 5.8.9 on OS X and got
5.12.1
Rate strftime manual
strftime 69591/s -- -67%
manual 212384/s 205% --
5.10.0
Rate strftime manual
strftime 63621/s -- -69%
manual 203558/s 220% --
5.8.9
Rate strftime manual
strftime 62421/s -- -65%
manual 178641/s 186% --
[0]: http://perl5.git.perl.org/perl.git/history/HEAD:/util.c
--
Chas. Owens
wonkden.net
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