micropython/micropython — pull request #961 by pfalcon (2014-11-05 00:12:10+00:00)
Title: unix: Allow -X heapsize number take 'w' specifier for word size adjustment.

The specifier should go after the number, before size suffix like 'k' or 'm'.
E.g.: "-X heapsize=100wk" will use 100K heap on 32-bit system and 200K - on
64-bit.