From: Motohiro KOSAKI <kosaki.motohiro@...>
Date: 2011-06-29T22:44:59+09:00
Subject: [ruby-core:37666] [Ruby 1.9 - Feature #3436][Closed] Spawn the timer thread lazily


Issue #3436 has been updated by Motohiro KOSAKI.

Status changed from Open to Closed

Fixed by r32244.

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Feature #3436: Spawn the timer thread lazily
http://redmine.ruby-lang.org/issues/3436

Author: Maximilian Gass
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


=begin
 As discussed in http://redmine.ruby-lang.org/issues/show/1820, Ruby 1.9.1
 always spawns a timer thread which is required to handle scheduling of Ruby
 threads. Rubinius did the same and I suggested to only spawn the thread if it
 is required, only when Ruby threading is used. I don't know anything about the
 internals of Ruby, but could this method be used in MRI as well?
 
 The timer thread prevents the CPU from going idle and saving power/battery, so it would be nice to avoid it.
=end



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