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Forum: OpenFOAM Running, Solving & CFD

December 23, 2008, 17:33

Replies: 10

Reduce operation for an array

Views: 11,247

Posted By xiao

Do you have some example code

Do you have some example code doing gather/scatter/reduce operations on data structures other than scalar and list? The following is from function cloud::move(). This is an operation on...

Forum: OpenFOAM Running, Solving & CFD

December 22, 2008, 15:48

Replies: 10

Reduce operation for an array

Views: 11,247

Posted By xiao

After some (actually, a lot of

After some (actually, a lot of) research, I finally figured out.

The function I was looking for was:
listCombineGather() and listCombineScatter().

But this only works for list, not for...

Forum: OpenFOAM Running, Solving & CFD

December 15, 2008, 12:04

Replies: 10

Reduce operation for an array

Views: 11,247

Posted By xiao

Anyone had experience to share

Anyone had experience to share? Or the experts are all on vacation now?

MPI has MPI_Allreduce, MPI_reduce, and many other function. Does openfoam have equivalent wrapper for them? Where should I...

Forum: OpenFOAM Running, Solving & CFD

December 14, 2008, 00:01

Replies: 10

Reduce operation for an array

Views: 11,247

Posted By xiao

Hi all, I am writing a para

Hi all,

I am writing a parallel code and need to do a reduce operation on a vector array, i.e.

someScalar = some number in local cpu;
someArray = new vector[100];

For the scalar it...

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