Top "Mpi" questions

MPI is the Message Passing Interface, a library for distributed memory parallel programming and the de facto standard method for using distributed memory clusters for high-performance technical computing.

Why does MPI_Init accept pointers to argc and argv?

this is how we use MPI_Init function int main(int argc, char **argv) { MPI_Init(&argc, &argv); … } …

mpi argv argc
Why isn't Hadoop implemented using MPI?

Correct me if I'm wrong, but my understanding is that Hadoop does not use MPI for communication between different nodes. …

tcp hadoop protocol-buffers mpi distributed-computing
Difference between MPI_Allgather and MPI_Alltoall functions?

What is the main difference betweeen the MPI_Allgather and MPI_Alltoall functions in MPI? I mean can some one …

mpi
Segmentation faults occur when I run a parallel program with Open MPI

on my previous post I needed to distribute data of pgm files among 10 computers. With help from Jonathan Dursi and …

segmentation-fault valgrind mpi pgm
Recompiling with -fPIC

I have MPICH 3.0.4 installed on my machine (Ubuntu 12.04). I am trying to install a library called Qthreads which I have …

makefile mpi configure relocation
MPI for multicore?

With the recent buzz on multicore programming is anyone exploring the possibilities of using MPI ?

parallel-processing distributed multicore multiprocessing mpi
MPI implementation for Java

Is there a current Java MPI implementation. I have programmed in MPI a bit, and I enjoy programming in Java. …

java mpi openmpi
MPI partition matrix into blocks

I want to partition matrix into blocks (not stripes) and then distribute this blocks using MPI_Scatter. I came up …

c matrix mpi scatter
Passing arguments via command line with MPI

I am using MPI calls to run a procedure on multiple processes using c++. The first few lines in my …

c++ mpi
Ordering Output in MPI

in a simple MPI program I have used a column wise division of a large matrix. How can I order …

stdout mpi