"Jim foo.bar" <jimpil1...@gmail.com> writes:

> So you can see, this is perfect for pmap and indeed it seems to be
> doing extremely well but only for the first 240 papers roughly! all
> the cpus are working hard but after approximately 30-40 min cpu
> utilisation and overall performance seems to degrade quite a bit...For
> some strange reason, 2 of my cores seem to refuse to do any work after
> these 240 papers which results in a really really slow process.

pmap might not be as perfect for you use-case as you think.  Because it
is lazy and chunked, it won't keep you cores busy.  Some time ago, there
was a detailed thread about this on this list.

Bye,
Tassilo

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