[Dune] istl and multithreading

[Aleksejs Fomins]

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Hi Christoph,

We are currently still using SuperLUDist_v_3.3 with OpenMPI. Although we are generally interested in OpenMP and multi-threading, it is very unlikely that we will do any work in that direction in the next few months because of other more urgent things

Greetings,
Aleksejs


On 03/06/15 08:05, Christoph Grüninger wrote:
> Hi Andreas,
> as far as I know, there is no public code using multi-threading for
> solving linear systems with Dune.
> - Benedikt used SuperLU_DIST, but in a home-grown way. OpenMP support
> war recently added to SuperLU_DIST so it was a long time not
> multithreaded. I don't know whether he already uses the multi-threaded
> features.
> - I know someone in Houston who used SuperLU_MT with OpenMP, but it was
> a hacked version of ISTL's SuperLU bindings.
> - SuperLU_MT never received a configure check for Dune.
> 
>> I saw somewhere that there was some work (planned) on making use of
>> threads in dune-istl.
> 
> The aim of the committed stuff was to make our quadrature rules thread
> safe. I don't know whether Exa-Dune contains multi-threaded solvers.
> 
> Bye
> Christoph
> 
> 
> 
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