On 09/04/13 15:40, Xavier Fernández i Marín wrote:
> Dear all,
> 
> After some years with the official blas and lapack libraries from atlas
> several weeks ago these packages were discontinued in the official portage
> tree, being replaced by the science overlay. I've tried to get the same
> functionality than before, but with no luck. 
> 
> I used to run sci-mathematics/jags compiled against the atlas-threaded
> libraries, and when simulating more than one chain all processors were used
> in parallel. But now, with the current sci-libs/atlas libraries this is not
> the case anymore.
> 
> I have also tried to link jags against openblas, but without luck as well.
> 
> I have also tried to compile it against mkl using openmp and even compile
> jags without using the official ebuild.
> 
> So my questions are:
> 
>   - Is there a way to check that atlas is using multithreaded capacities,
>     besides checking the libraries towards which it is compiled?
> 
>   - What has atlas changed between the last unstable ebuild from the
>     official portage tree and the last unstable ebuild from the science
>     overlay?
> 
>   - Any guess on how I can make use of multithreading in jags in gentoo?
> 

Could you provide me a sample script which should run jags in parallel?

Justin

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