[Numpy-discussion] Largest possible numpy array
Sturla Molden
sturla at molden.no
Sat Feb 26 13:44:03 EST 2011
Den 26.02.2011 16:09, skrev Jaidev Deshpande:
> Hi
>
> How can I know the size of the largest possible 2-D array in numpy,
> given a specific 'dtype' and my system memory?
>
The largest array size is not dicatated by system memory but virtual memory.
On Windws the available virtual address space is 2 GB with x86 and 16 TB
with AMD64.
If you have less physical memory than the array size, the OS will swap
some of it to disk.
Sturla
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