From: Lyle Johnson <lyle@...>
Date: 2002-12-14T08:33:17+09:00
Subject: Re: Ruby slow??

Matt Armstrong wrote:

> That test creates 100,000 ruby threads and uses lots of thread
> primitives.  Threads are pretty slow in Ruby because of the way they
> are implemented (each thread switch involves a large memcpy() of the
> stack).

It doesn't create 100,000 threads, only two. But I would guess that you 
are correct that it's all of the context-switching that's slowing it down.

> Ruby should probably steal thread implementation ideas from Perl,
> Python or Pike.  ;-) Perhaps this will happen with Rite.

Perl and Python use native (OS) threads. I think Matz has hinted in the 
past that Rite will also support native threads.