[SciPy-user] thread failure in ATLAS while computing pseudoinverse

David Cournapeau david@ar.media.kyoto-u.ac...
Mon Jan 28 21:13:39 CST 2008


Yasir Suhail wrote:
> I am trying to compute the pseudoinverse of a 5300 x 5300 symmetric 
> matrix by scipy.linalg.pinv2 on an Intel x86 machine in a function. 
> The program halts after 20-30 minutes with the following message:
>
> assertion !pthread_create( &(ROOT->pid), ATTR, ROOT->fun, ROOT ) 
> failed, line 84 of file 
> ~/software/lx-x86/atb/../ATLAS//src/pthreads/misc/ATL_thread_tree.c
>
> The value in /proc/sys/kernel/threads-max is 204800.
>
> Any ideas?
>
You may want to try the Atlas mailing list instead. You will certainly 
have more chance to get someone who knows enough about the internal of 
ATLAS.

cheers,

David


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