From: Jon <jon.forums@...>
Date: 2012-08-01T04:23:34+09:00
Subject: [ruby-core:46901] Re: (Half-baked DRAFT) new `require' framework

> > > (Problem example 2)
> > > If `n' gems are installed, `n' paths are added to $LOAD_PATH by default.
> > >  If `n' is large, then performance of `require' slows down heavily.
> > >
> > 
> > This will be fixed, if http://bugs.ruby-lang.org/issues/5767 and
> > http://bugs.ruby-lang.org/issues/5427 will be accepted.
> > 
> > Many peoples uses this patches (backported to ruby 1.9.3) and reports big
> > startup speedup.
> 
> 
> If you've not yet investigated Yura's `require` enhancement patches (backported to 1.9.3 for Windows and *nix) here are a few ways to quickstart: 
> 
> 1) Build https://github.com/thecodeshop/ruby/tree/tcs-ruby_1_9_3 (includes other performance enhancements)
> 
> 2) Rebase https://github.com/thecodeshop/ruby/tree/cached-lp/ruby_1_9_3 and https://github.com/thecodeshop/ruby/tree/cached-lp/ruby_1_9_3 patch branches on top of https://github.com/thecodeshop/ruby/tree/ruby_1_9_3 similar to how I do for a tcs-ruby release https://groups.google.com/forum/?fromgroups#!topic/thecodeshop/wxDg9xTMHW0  You can also rebase the two branches against a more recent ruby_1_9_3 before combining if you want a newer 1.9.3 frakenruby
> 
> 3) Download the latest tcs-ruby Windows binary https://github.com/thecodeshop/ruby/wiki/Downloads 
> 
> I also believe Yura maintains an (integrated) RVM patch containing the same `require` enhancements; he can correct me if I'm mistaken.
> 
> Yura's `require` enhancements have been part of the tcs-ruby releases for months and we've had no reported issues.
> 


Err...for option (2) the two patch branches are:

  https://github.com/thecodeshop/ruby/tree/sorted-lf/ruby_1_9_3
  https://github.com/thecodeshop/ruby/tree/cached-lp/ruby_1_9_3

Jon

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