DMTCP: Distributed MultiThreaded CheckPointing
Role in this project:
Back-end Developer Contributions:227 commits, 4 PRs, 12 pushes in 7 years 9 months
Contributions summary:Artem primarily contributed to the `dmtcpinspector` tool, focusing on enhancements to visualize the relationships between processes within the DMTCP framework. Their work involved refactoring the code to group host processes in subgraphs, modifying the visual representation of connections, and adding features like parent-child relationship display. They also implemented improvements to the build process and added new command line options for controlling the display.
checkpointingmpidmtcpcheckpoint-restart
Open MPI main development repository
Role in this project:
Back-end Developer Contributions:15 reviews, 219 commits, 164 PRs in 7 years
Contributions summary:Artem primarily focused on improving the Open MPI's functionality through various bug fixes and enhancements. The contributions involved correcting issues in intercommunicator splitting logic, solving problems related to MPI_Alltoall for inter-communicators, iBarrier for inter-communicators and iGatherv. The user also addressed memory registration limits and race conditions within the OpenIB BTL (Byte Transfer Layer), improving performance and reliability in network communication. Furthermore, the user worked on code cleanup and integration with UCX for the same library.
openmpichpcmpifortran