[SciPy-User] Segment fault when run svd

Wenlei Xie wenlei.xie at gmail.com
Sun Apr 6 16:19:11 EDT 2014


Hi the problem was solved when I optimized the memory usage a bit to make
the code run on a 48G memory machine.

I guess the issue is there might be some strange problem when using scipy
on 1TB main memory machine ?

Best,
Wenlei


On Fri, Apr 4, 2014 at 8:21 AM, Wenlei Xie <wenlei.xie at gmail.com> wrote:

> Hi,
>
> I got segment fault when I run svd on a huge matrix. The matrix contains n
> lines, each line is a vector with 2 million dimension vector. I use the
> following command for SVD:
>
> s = linalg.svdvals(mat)
>
> It works well when for n = 100, 300, 500. But it got segment fault when n
> = 1000.
>
> Any suggestions?
>
> Thank you!
>
> Best,
> Wenlei
>
>


-- 
Wenlei Xie (谢文磊)

Department of Computer Science
5132 Upson Hall, Cornell University
Ithaca, NY 14853, USA
Phone: (607) 255-5577
Email: wenlei.xie at gmail.com
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