From: Gary Wright <gwtmp01@...>
Date: 2007-02-22T04:33:15+09:00
Subject: Re: threads within a thread


On Feb 21, 2007, at 2:19 PM, Jason Roelofs wrote:

> Since you're writing this in Ruby, I have to suggest that you just  
> write
> this single-threaded. Ruby uses green threads, meaning it handles  
> it's own
> threading and not the system, leading to on average decreased  
> execution time
> vs single-threaded.

If you were talking about CPU bound jobs that might be true, but
probing networks has lots of inherent I/O latency.  Green threads should
be just fine for this sort of thing as you are basically waiting on
various packets to return from the probed hosts.

Gary Wright