mpi

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What's the best advance of Hydra MPI

I\'m studying about the new Process Manager that came automatically with MPICH2, but until now I can\'t figure out what\'s is big advance of this implementation, someone have knows a good tutorial or[详细]

2023-03-07 12:01 分类：问答
Running on multiple cores using MPI

I use the present command to submit MPI jobs: mpirun -np no.of processors filename My understanding is that the above command lets me submit to 4 independent processors that communicate via MPI. Howe[详细]

2023-03-06 21:08 分类：问答
Non Blocking communication in MPI and MPI Wait Issue. Not all information is passed correctly

I noticed that not all my MPI_Isend/MPI_IRecv were being executed. I think it may perhaps be either the order in which I do my send and receive or the fact that the code doesn\'t wait until all the co[详细]

2023-03-06 17:50 分类：问答
pyMPI build & install

Hi everyone I\'m trying to install pyMPI on ubuntu server 10.04.2 . When i run ./configure this is what it prints out[详细]

2023-03-06 14:30 分类：问答
MPI Warning: Program exiting with outstanding receive requests

I wish to send a contiguous array of memory between two nodes using MPI. For this purpose, I use the following Non-blocking Send/Receive command (MPI_Isend, MPI_Irecv). While executing the run command[详细]

2023-03-06 03:37 分类：问答
unable to open (or read) hostsfile mpd.hosts

I get t开发者_StackOverflowhe following error when I use this command on the cluster : mpdboot -n 4 and the error I get is:[详细]

2023-03-06 01:46 分类：问答
Halo exchange not working properly in MPI

I\'m writing some code which does calculations on a large 3D grid, and uses a halo exchange procedure so that it can work using MPI. I\'m getting the wrong results from my code, and I\'m pretty sure i[详细]

2023-03-05 20:17 分类：问答
MPI: all to all broadcast on one dimensional array

I have number of processors and one array, and each processor fills their work into, one dimensional array like:[详细]

2023-03-05 15:26 分类：问答
How to send(MPI_Send) nested structure having pointer fields in MPI using C

I have a structure : struct vertex { double a; double b; } struct polygon { int numofVertex; vertex *v; } How to send this nested structure in MPI using MPI_Send?[详细]

2023-03-05 11:00 分类：问答
Matrix Multiplication using CUDA + MPI

I\'m doing a research about gpu in cluster environments using mpi to communicate. I开发者_运维百科n order to compare speed up, I think in create:[详细]

2023-03-05 10:59 分类：问答