From: Lyle Johnson <ljohnson@...>
Date: 2001-04-24T06:11:24+09:00
Subject: [ruby-talk:14107] Re: threads and IO.popen questions

>   - It seems that all threads are running on a single CPU on a SMP
> systems (SUN Sparc)...
>     Is it true? If yes, is there a trick to make threads running on all
CPUs?

Yes and no, respectively ;)

Ruby's threading implementation uses in-process threads (sometimes known as
"microthreads", I think) as opposed to "native" threads. There have been
recent discussions about the issues involved with a native threads
implementation for Ruby; check the list or newsgroup archives if you're
interested.