From: Ryan Davis <ryand-ruby@...>
Date: 2011-05-07T06:36:46+09:00
Subject: [ruby-core:36032] Re: require performance on 1.9


On May 4, 2011, at 16:23 , Xavier Shay wrote:

> On 3/05/11 9:03 PM, Xavier Shay wrote:
>> I have tracked down the remaining performance loss from the above graph
>> to load.c:152. On every require, StringValuePtr is called on every
>> loaded feature. ruby18 does this also, but my hunch is this is more
>> expensive in 1.9 perhaps because of encoding or something?
>> 
>> Can loaded_features ever shrink? Can a value in loaded_features change?
>> Is there a sane way to cache this value?
> 
> Can anyone shed some light on any of these? I'm really keen to work on this I just need a pointer in the right direction.

Matz/ko1/nobu: ping

Can someone please look into this?