[Numpy-discussion] memmap on 64bit Linux for > 2 GB files
Tue Feb 6 16:35:04 CST 2007
Sebastian Haase wrote:
> I finally tried to do the test, to memmap a large file
> filesize: 2.8G
> a memmap call gives this error:
> Traceback (most recent call last):
> File "<input>", line 1, in ?
> File "/jws30/haase/PrLinN64/numpy/core/memmap.py", line 67, in __new__
> mm = mmap.mmap(fid.fileno(), bytes, access=acc)
> OverflowError: memory mapped size is too large (limited by C int)
> I'm using a recent numpy on a 64bit Linux (debian etch, kernel:
> <type 'numpy.int64'>
> Is this supposed to work ?
You need Python 2.5 for it to work.
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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