From: Michael Guterl <mguterl@...>
Date: 2008-04-16T13:26:02+09:00
Subject: Re: Parallel for loop

On Tue, Apr 15, 2008 at 11:35 PM, Fredrik <fredjoha@gmail.com> wrote:
> There doesn't seem to be any EASY way of doing a parallel computation
>  in Ruby.
>  I would like to do something like this :
>
>  array.map do |i|
>   fork do
>     i + 1
>   end
>  end
>  Process.waitall
>
>  wich would give back the array with one added to each element in an
>  array, and it would perform this "calculation" in parallel. However,
>  this doesn't work since fork runs a subprocess which is another Ruby
>  interpreter and I can't get anything back from that black hole, except
>  some exit status.
>
>  Actually, it would be really nice if there was a 'forkmap' method that
>  could do this:
>
>  array.forkmap do |i|
>   i + 1
>  end
>
>  But there isn't, right?
>

http://skynet.rubyforge.org/

HTH,
Michael Guterl