Cygwin Memory Allocation and heap_chunk_in_mb
Tim Prince
tprince@computer.org
Wed Jun 30 14:11:00 GMT 2004
At 06:54 AM 6/30/2004, Dan Hatton wrote:
>I'm using CYGWIN_NT-5.1, under XP Pro.
>
>I've set my heap_chunk_in_mb registry key to a very large value (10240
>decimal,) because I'm doing some RAM-hungry numerical calculations.
>
>I have enough space to do this (Control Panel->System reports 12 GB of
>virtual memory allocated.)
>
>However, the max_memory program at
><http://www.cygwin.com/ml/cygwin/2003-02/msg00234.html> still reports
>only 1.5 GB available. Sure enough, my program dies with an "out of
>memory" error at 1.25 GB (the 0.25 GB discrepancy is about right for
>the amount of RAM other processes are using.)
>
>Anyone got any ideas what's happening, please?
cygwin doesn't emulate a 64-bit OS. Did you try setting up XP with /3GB to
see whether that would give another 1 GB, or check the archives for any
reports on such an attempt?
Tim Prince
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