Hi Sturla, On Sat, Mar 14, 2009 at 12:23 PM, Sturla Molden <stu...@molden.no> wrote:
> > > > Will memmap be fixed to use offsets correctly before 1.3? > > I posted this to scipy-dev (possibly wrong list) on March 9, so I'll > repeat it here: In Python 2.6, mmap has a offset keyword. NumPy's memmap > should use this to allow big files to be memory mapped on 32 bit systems. > Only a minor change is required: > > if float(sys.version[:3]) > 2.5: > > bytes = bytes - offset > > mm = mmap.mmap(fid.fileno(), bytes, access=acc, offset=offset) > > self = ndarray.__new__(subtype, shape, dtype=descr, buffer=mm, > offset=0, order=order) > > else: > > mm = mmap.mmap(fid.fileno(), bytes, access=acc) > > self = ndarray.__new__(subtype, shape, dtype=descr, buffer=mm, > offset=offset, order=order) > > > Instead of just: > > mm = mmap.mmap(fid.fileno(), bytes, access=acc) > > self = ndarray.__new__(subtype, shape, dtype=descr, buffer=mm, > offset=offset, order=order) > > Can you open a ticket for this? Chuck
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