From: Charles Oliver Nutter <headius@...>
Date: 2010-01-22T17:42:31+09:00
Subject: Re: Threads or Fibers - which should I use?

On Fri, Jan 22, 2010 at 2:23 AM, Robert Klemme
<shortcutter@googlemail.com> wrote:
> In your case I would start with threads because they are simpler to
> use.  Fibers are really a means of cooperative multitasking and as
> such have considerably higher programming overhead.  Also, either you
> have one thread per Fiber or you will not be able to leverage the full
> CPU power if you port your app to a Ruby version (say JRuby) which
> supports native threads.

It's worth mentioning that on JRuby, we have to use native threads to
implement Fibers, so they're not actually lightweight. They're more
like cooperatively-scheduled child threads. I'd recommend threads as
well if the intent is to actually have parallel execution.

- Charlie