On Tue, Jun 9, 2009 at 2:32 AM, John Schulman <jos...@caltech.edu> wrote:
> I'm getting the error > OverflowError: cannot fit 'long' into an index-sized integer > when I try to memmap a 6gb file > > top of the stack trace is > mm = mmap.mmap(fid.fileno(), bytes, access=acc) > where bytes = 6528000000L > > I thought that 64-bit systems with python>2.5 could memmap large > files. I'm running the latest EPD python distribution (4.2.30201), > which uses python 2.5.4 and numpy 1.2.1 > Macbook Pro Core 2 Duo, OS X 10.5.6 > Is your python 64 bits? Try: file `which python` and see what it says. Chuck
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