How to send nested structures in MPI using MPI_Send Sending Nested Structures in MPI A Comprehensive Guide The ability to send complex data structures in MPI is crucial for many parallel applications While MPI Se 2 min read 07-10-2024 19
Troubleshooting MPI4py Error When Using Numba-Accelerated Python Code Unraveling the MPI 4py and Numba Knot Troubleshooting Parallel Performance Issues Scenario You ve meticulously crafted a high performance Python code using Numb 2 min read 04-10-2024 52
What would cause a process to hang in an MPI_BARRIER call? Understanding MPI BARRIER Hang Issues Causes and Solutions When working with the Message Passing Interface MPI one common issue developers encounter is a proces 3 min read 30-09-2024 43
Is there any way to get the MPE (MPI Parallel Envrionment) SDK? How to Obtain the MPE MPI Parallel Environment SDK Understanding the MPE SDK The MPE Multi Purpose Environment SDK is a powerful toolset designed for developers 2 min read 28-09-2024 45
METIS fails to partition a 297 nodes graph into 64 parts : bisect a graph with 0 vertices Understanding METIS and Graph Partitioning Challenges Graph partitioning is a crucial problem in computer science particularly in optimizing parallel computing 3 min read 25-09-2024 63
FreeFem parallelization issue Understanding Free Fem Parallelization Issues Free Fem is a powerful tool for solving partial differential equations PDEs through finite element methods However 2 min read 25-09-2024 46
MPI works with 4 processor but fails with more, problem with decomposition? Send/Recv? 2d Heat diffusion Understanding MPI Behavior Success with Four Processors but Failure with More in 2 D Heat Diffusion Problems Original Problem Scenario The issue presented is th 2 min read 25-09-2024 64
What is the best practice for protecting a shared communicator in a MPI_THREAD_MULTIPLE context? Best Practices for Protecting a Shared Communicator in an MPI THREAD MULTIPLE Context Introduction In parallel computing particularly in high performance comput 2 min read 25-09-2024 44
My program for calculating the integral using the trapezoidal rule with OpenMP + MPI hybrid does not run faster with more threads Improving Performance of an Integral Calculation Program Using the Trapezoidal Rule with Open MP MPI In todays computational landscape optimizing performance is 3 min read 24-09-2024 61
Gather 3D Matrix Blocks of Different Sizes using MPI Gathering 3 D Matrix Blocks of Different Sizes Using MPI In the world of parallel computing managing data efficiently is crucial When dealing with 3 D matrices 3 min read 21-09-2024 62
mpfr_t in custom MPI structs Understanding mpfr t in Custom MPI Structs In the world of scientific computing efficient handling of numerical data is crucial particularly when dealing with a 3 min read 17-09-2024 47
mpirun was unable to find the specified executable file mpirun was unable to find the specified executable file Error in Open MPI A Comprehensive Guide This article will help you troubleshoot the common mpirun was un 2 min read 06-09-2024 48
What does "Top level reordering" mean? Understanding Top Level Reordering and Debugging Segmentation Faults When optimizing your Fortran code with the ftoplevel reorder flag in the GNU Fortran compil 3 min read 06-09-2024 51
MPI matrix output by blocks Printing a Distributed Matrix in MPI A Block by Block Approach When working with large matrices in MPI its common to distribute them across processes for effici 3 min read 05-09-2024 47
libmpi_mpifh.so.12: cannot open libmpi mpifh so 12 cannot open shared object file No such file or directory Troubleshooting MPI Errors in Atmospheric Modeling Running atmospheric models often 2 min read 05-09-2024 43
libmpi_mpifh.so.12: undefined symbol: mpi_conversion_fn_null_ libmpi mpifh so 12 undefined symbol mpi conversion fn null Error A Guide to Troubleshooting This article will address a common error encountered in MPI based ap 2 min read 05-09-2024 48
MS MPI does not have the folder of includes Missing MPI Includes and Libs A Troubleshooting Guide for Windows 10 Installing and using Microsoft MPI MS MPI can be a bit tricky especially if you re new to t 3 min read 04-09-2024 48
Quantum Espresso aborted with "1 process returned a non-zero exit code." Debugging 1 process returned a non zero exit code in Quantum Espresso Quantum Espresso is a powerful tool for simulating materials at the atomic level but it ca 3 min read 01-09-2024 67
mpi cluster debugger Debugging MPI Applications in Visual Studio A Comprehensive Guide Debugging parallel applications written with MPI Message Passing Interface can be challenging 2 min read 31-08-2024 48
Custom MPI_Datatype inside OpenMPI MCA module Mastering Custom MPI Datatype Inside Open MPI MCA Modules A Deep Dive MPI Message Passing Interface is a fundamental communication protocol used in high perform 4 min read 31-08-2024 48
missing MPI_C_LIBRARIES MPI_C_INCLUDE_PATH on Windows Missing MPI C LIBRARIES and MPI C INCLUDE PATH on Windows A Comprehensive Guide When you encounter the error Could NOT find MPI C missing MPI C LIBRARIES MPI C 4 min read 30-08-2024 57
CMake repeatedly fails to find MPI libraries, succeeds after multiple runs C Makes Mysterious MPI Dance Resolving the Find MPI Conundrum Have you ever encountered a situation where C Make repeatedly fails to find MPI libraries only to 2 min read 30-08-2024 55
Problem with xml format to output .vtr and combine to a .pvtr file Troubleshooting vtr and pvtr Files in Para View A Deep Dive into Ghost Layers This article explores a common issue encountered when combining multiple vtr files 2 min read 29-08-2024 119
MPI comm.size is always 1 MPI comm size is always 1 Troubleshooting a Common MPI Issue When working with MPI Message Passing Interface you might encounter a frustrating scenario where co 3 min read 28-08-2024 41
Running mpirun from OpenMPI does nothing, freezes as if it were waiting for network or something Troubleshooting Open MPI 4 1 6 When mpirun Freezes on Kubuntu 24 04 This article will delve into a common issue encountered when using Open MPI 4 1 6 on Kubuntu 3 min read 28-08-2024 56