From: Hiroshi Shirosaki <h.shirosaki@...>
Date: 2012-08-09T07:37:54+09:00
Subject: [ruby-core:47082] Re: [ruby-trunk - Bug #6836] Improve File.expand_path performance in Windows

On Wed, Aug 8, 2012 at 9:42 PM, luislavena (Luis Lavena)
<luislavena@gmail.com> wrote:
>
> Issue #6836 has been updated by luislavena (Luis Lavena).
>
>
> h.shirosaki (Hiroshi Shirosaki) wrote:
>> usa (Usaku NAKAMURA) wrote:
>> >  If the performance problem is in 'require' and 'load', change only them
>> >  and be stayed File.expand_path the same behavior.
>> >  Can't do so?
>> >
>>
>> I think that might be possible, though changing that properly seems not easy.
>> I created an experimental patch for that. This patch passed webrick test and became faster.
>>
>> https://gist.github.com/3293339
>>
>
> Hiroshi, how that compares with the original patch?
>

Above patch is small and easy to review.
We can change the original patch to follow the above approach. We have
code for short name expansion.
I understand the original win32/file.c patch has another merit. We can
write windows specific code without too many #ifdef macro which are
hard to read.

-- 
Hiroshi Shirosaki