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.

mpiexec was unable to launch the specified application (Raspberry pi)

I get the same error for each of the 3 following commands. is my ip address from ifconfig. Any ideas on …

mpi raspberry-pi mpiexec
MPI_ERR_TRUNCATE: On Broadcast

I have an int I intend to broadcast from root (rank==(FIELD=0)). int winner if (rank == FIELD) { winner = something; } MPI_…

c++ mpi broadcast openmpi
Corresponding Receive Routine of MPI_Bcast

What would be the corresponding MPI receive routine of the broadcast routine, MPI_Bcast. Namely, one processor broadcasts a message …

mpi parallel-processing
can't find mpif.h compiling error?

i have download a big ecosystem model (Ecosystem Demography) which must e compiled in linux and it uses MPI and …

compilation compiler-errors parallel-processing mpi mpich
Hostname discovery for all machines on a network

Problem: I am developing a graphical front end for a distributed CPU/GPU simulator. As this simulator utilizes MPI, it …

linux networking mpi hostname
Why is MPI considered harder than shared memory and Erlang considered easier, when they are both message-passing?

There's a lot of interest these days in Erlang as a language for writing parallel programs on multicore. I've heard …

erlang multicore parallel-processing mpi
Deadlock with MPI

I'm experimenting with MPI and was wondering if this code could cause a deadlock. MPI_Comm_rank (comm, &my_…

mpi deadlock
how to run a basic mpi4py code

Am brand new to mpi4py. The calculate pi example from the Tutorial goes like so: Master (or parent, or …

python mpi mpi4py
Open MPI - mpirun exits with error on simple program

I have recently installed OpenMPI on my computer and when I try to run a simple Hello World program, it …

c mpi openmpi
R: how does a foreach loop find a function that should be invoked?

I have problems when I use a foreach loop (using %dopar%) which invokes a self-defined function. There is not really …

r foreach parallel-processing mpi