Recent questions tagged MPI

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Greeting Everyone! I am a student and currently I got problem in setting Code Block. Can anyone help me or guide ... it. Really Appreciate it :) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - matrix multiplication using Mpi_Scatter and Mpi_Gather

I newbie to mpi programming. I was trying to write matrix multiplication. Went through the post MPI Matrix ... regard will be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - Difference between running a program with and without mpirun

I implemented a peer-to-peer connection in MPI using MPI_Open_port and MPI_Comm_accept. I run a server and a ... there anything less obvious? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - 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 give ... receives them? Thank You See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - How can my program detect, whether it was launch via mpirun

How can my MPI program detect, if it was launched as a standalone application or via mpirun? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - Why does MPI_Iprobe return false when message has definitely been sent?

I want to use MPI_Iprobe to test whether a message with a given tag is already pending. However, the behaviour ... second MPI_Iprobe, flag = 1 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - Can MPI_Publish_name be used for two separately started applications?

I write an OpenMPI application which consists of a server and a client part which are launched separately: ... using-ompi-does-not-work See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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mpi - Probe seems to consume the CPU

I've got an MPI program consisting of one master process that hands off commands to a bunch of slave processes. ... .tag); return result; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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