[Rake-devel] An official pull request for auto-parallelizing with -j.

James M. Lawrence quixoticsycophant at gmail.com
Thu Apr 16 00:29:40 EDT 2009

On Wed, Apr 15, 2009 at 2:52 AM, Hongli Lai <hongli at phusion.nl> wrote:
> http://blog.phusion.nl/wp-content/uploads/2009/04/depgraph.pdf
> It's very horizontal and most nodes have 2 or more outgoing edges.
> This should mean that it's very parallelizable, right?

In principle, yes, but looks can be deceiving.  A single
over-specified or superfluous dependency can make it effectively

Please email me off list when you have something I can see or if you
otherwise have questions.  I am always interested in case studies.
http://github.com/quix/rake/blob/master/doc/parallel.rdoc might help.

James M. Lawrence

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