in reply to Memory usage in Perl on Windows systems
Try modifying the DesktopHeap via the registry:-
HKLMSystem\CurrentControlSet\Control\Session Manager\ SubSystems\
Open the "Windows" value and edit the "sharedSection=xxxxyyyyzzzz" value.
On a 32 bit system increse the yyyy value to 12288, or on a 64 bit system increase the yyyy value to 20480.