[Numpy-discussion] memoryerror with numpy.fromfile

[Charles R Harris]

On Thu, May 21, 2009 at 10:31 AM, Michael Hearne <mhearne at usgs.gov> wrote:

> I am getting a MemoryError from a numpy.fromfile() call in an
> application I am trying to deploy.  Normally I would assume that this
> would mean that I don't have enough memory available on the system.
> However, if I run vmstat (Linux) at the same time as my process, I see
> that I have 3+ Gigabytes of memory free, and no swap space being
> used.  I can't think of a way to track down this problem, so I'm
> punting to the list.  The only thing I can imagine is that someone
> Python has been allocated X amount of space (very small relative to
> the memory actually available), and is asking for more than X.  I
> don't know if this is true, or if there is even a way to check it.
> Sigh.
>
> Version info:
> Linux RedHat 5 kernel 2.6.18-128.1.10.el5PAE
> Python 2.5.4 -- EPD_Py25 4.3.0
> numpy 1.3.0
>
> Can anyone suggest more tests that I can do?
>

How big is the file and what type are you importing to?

Chuck
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