Sounds like a simple memory leak. The most likely culprit would be the XS-happy List::Util, IMO. Simply removing List::Util (and Timer::HiRes for obscure reasons) and running your code shows very little and flat memory usage. It would take 11 hours to run, but it doesn't leak for me.

- tye        

In reply to Re: Challenge: Letter Power (leak) by tye
in thread Challenge: Letter Power by Tanktalus

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