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Re: ParallelMap in FindMinimum getting slower


On Fri, 7 Oct 2011, Rafael Reiter wrote:

> Hi everyone,
>
> I use ParallelMap with Mathematica on Linux to solve 100 eigenvalue
> problems on 4 kernels. This operation ist repeated very often by
> FindMinimum, and over the course of time the performance drops
> significantly. Using top, you can see that the CPU used by the master
> kernel increases, and the CPU used by the slave kernels decreases from
> 70 to appr. 20 percent. Has anyone else experienced this phenomenon?
>
> Best wishes,
> Rafael
>
>

Can you send the example?

Oliver



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