mpi

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MPI_Send and MPI_Recv

I installed MPICH2 to two computers ( \'suaddell\' and \'o01\' ) with Windows 7 operating system. I use VC++ Express Edition 2008 for compiling. Everything is good. I can run simple \"Hello World\" MP[详细]

2023-04-02 13:49 分类：问答
MPI: what happens if send and receive sizes don't match?

Receive count开发者_如何学运维 is smaller than the matching send count? Send count is smaller than the matching receive count?The MPI Standard 2.2 describes this in section 3.2.4. Basically the receiv[详细]

2023-03-31 13:30 分类：问答
why does my program hang when I use MPI_Send and MPI_Recv?

There is a simple communication program that I used in MPICH2. when I execute the program by using mpiexec.exe -hosts 2 o00 o01-noprompt mesajlasma.exe[详细]

2023-03-31 00:00 分类：问答
Problem installing mpi4py on Ubuntu

I have mpich2 installed and python 2.7 on Ubuntu 11.04. I configured without any extra arguments. When I go to build mpi4py from source, I get this error:[详细]

2023-03-30 18:19 分类：问答
problem configuring MPI nodes to communicate

I have installed mpich1 and UPC on a machine at a directory /scratch/sharatds (which is mounted on NFS).[详细]

2023-03-30 11:59 分类：问答
How to successfully compile mpi4py using MS HPC Server 2008 R2's MPI stack?

So the story goes: I need a MPI wrapper for Python. I know there\'s mpi4py. For the current work I (mostly) use Python and Windows, I\'d like to use the Microsoft HPC Cluster Pack, having access to[详细]

2023-03-30 02:09 分类：问答
Open MPI: how to run exactly 1 process per host

Actually I have 3 questions. Any input is appreciated. Thank you! 1) How to run exactly 1 process on each host? My application uses TBB for multi-threading. Does it mean that I should run exactly 1 p[详细]

2023-03-30 01:00 分类：问答
MPI and threads

I am a beginner at MPI and I would like to use threads with MPI in the following way. Certain processes (all even procs) spawn threads and do a blocking wait to receive a message. The number of thread[详细]

2023-03-30 00:33 分类：问答
Read HDF5 monodimensional compound dataset in C structure in parallel

I have a very simple compound dataset, about 1 million rows of a compound data开发者_如何学Gotype:[详细]

2023-03-29 10:28 分类：问答
A simple MPI program

I appreciate it if somebody tell me why this simple MPI send and receive code doesn\'t run on two processors, when the value of n=40(at line 20), but works for n <=30. In other words, if the messag[详细]

2023-03-28 19:24 分类：问答