mpich

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"p4_error : child process exited error"while running 256 threads of NAS benchmark on 32 node cluster

I\'m trying to get a UPC-NAS Benchmark (compiled for 256 threads) running on a cluster of 32 nodes. When I run it, the rsh connections are established for 247 threads and it terminates giving an error[详细]

2023-02-19 00:27 分类：问答
fault tolerance in MPICH/OpenMPI

I have two questions- Q1. Is there a more efficient way to handle the error situation in MPI, other than check-point/rollback? I see that if a node \"dies\", the program halts abruptly.. Is there any[详细]

2023-02-18 17:40 分类：问答
suggest a Benchmark program to compare MPICH and OpenMPI

I am new to HPC and the task in hand is to do a performance analysis and comparison between MPICH and OpenMPI on a cluster which comprises of IBM servers equipped with dual-core AMD Opteron processors[详细]

2023-02-18 07:13 分类：问答
Setting Code Block to run MPICH2

Greeting Everyone! I am a student and currently I got problem in setting Code Block. C开发者_C百科an anyone help me or guide me how to configure Code Block so it can run MPI?[详细]

2023-02-14 08:32 分类：问答
In MPI_Send / MPI_Recv pairs, can data be lost if it isn't synchronised correctly?

Let me explain. Consider 4 slave nodes 1, 2, 3, 4 and a master node 0. Now, 1, 2, 3, 4, need to send data to 0. 0 receives this data in the following format.[详细]

2023-01-26 22:00 分类：问答
mpiexec using wrong number of cpus

I am trying to set 开发者_如何学Cup a MPI Cluster. But I have the problem that the number of CPUs added to the mpd.conf file is not correctly used.[详细]

2023-01-23 03:40 分类：问答
Round-robin processing with MPI (off by one/some)

I have an MPI implementation basically for IDW2 based gridding on a set of sparsely sampled points. I have divided the jobs up as follows:[详细]

2023-01-19 01:51 分类：问答
using OpenMPI or MPICH with Boost MPI using Win and Linux machines together

These days I am approaching MPI world. I am willing to use Boost MPI libraries probably with OpenMPI or MPICH ( even if with MPICH still I am not sure whether it will work fine because of some post I[详细]

2023-01-17 12:54 分类：问答
Compiling with mpicc (MPICH2) and pthread_barrier (-lpthread)

I have a functioning implementation of a MPI routine, which work开发者_如何学Cs fine. In the process of making this a hybrid between MPI and shared memory, I am using pthreads. This in turn proofed th[详细]

2023-01-05 18:58 分类：问答
How to build mpich2 with sctp network module in linux?

What configure options a should use to compile mpich2 (ver 1.1.1p1 or 1.2.1p1) with sctp ? In my try there is a error when linking cpi.c (small example).[详细]

2022-12-27 23:44 分类：问答