From: Maximilian Gass <redmine@...>
Date: 2010-06-13T20:32:01+09:00
Subject: [ruby-core:30756] [Feature #3436] Spawn the timer thread lazily

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

Author: Maximilian Gass
Status: Open, Priority: Normal

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.


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