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Questions - mpi

How to use MPE for MPI c++ project?

MPE is very useful for visualizing MPI programs, but it only provides compiler wrappers for C and Fortran: mpecc and mpef77, respectively. How can I use it if my MPI project is written in C++ and is n...
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tyrrr

c++

mpi

mpic++

Votes: 0

Answers: 1

Latest Answer

The answer is actually quite simple, nonetheless I struggled with it for days. Steps shown below works with MPICH 3.3.2 on Linux (Ubuntu 18) run with WSL2 - some adjustments may be necessary in differ...
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tyrrr

How to update message without using if statement?

I have a number of processors, let's say, 9, that are arange like a ring together. So, the processors communicating with each other in a ring and in a non-blocking setting MPI_Isend() and MPI_Irecv()...
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user9990604

mpi

hpc

Votes: 0

Answers: 0

How define a user defined function in MPI which takes several input buffer

I need to define a user defined reduction in MPI. In each processor I have 3 vectors, one of them is double and the other 2 are integers. I can't flatten these vectors into one dimension data and pass...
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Seeplusc

c++

mpi

Votes: 0

Answers: 1

Latest Answer

The line you give with local/global/local translation only works that way in shared memory. In distributed memory you have to set up index translation data structures, and then use gather operations t...
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Victor Eijkhout

Errors in implementing MPI send/receive in CentOS 7

I am compiling this MPI program but it is giving me 15 errors and I cannot really what the problems are. I have searched for solutions everywhere but found nothing. My code is as follows and I using ...
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JustWantToLearn

java

arrays

compiler-errors

mpi

Votes: 0

Answers: 0

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