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- W4318969849 abstract "Most parallel profilers reveal only the MPI point-to-point communication patterns in a communication matrix. However, this may lead to sub-optimal process mapping due to incomplete information about the application communications. In this work, we have developed a profiler, IPMPI, that reveals the complete communication information including collective communications. We compare the results of two recent process mapping tools, TopoMatch and LPMS, with and without the input from IPMPI. We have run six applications and benchmarks such as ROMS, LAMMPS, DFT, HPCG, miniAMR and miniFE on two supercomputers and our shared department cluster. We observed a maximum average gain between 5.7 - 8.6% across these systems." @default.
- W4318969849 created "2023-02-03" @default.
- W4318969849 creator A5072275736 @default.
- W4318969849 creator A5082548228 @default.
- W4318969849 date "2022-11-01" @default.
- W4318969849 modified "2023-09-27" @default.
- W4318969849 title "IPMPI: Improved MPI Communication Logger" @default.
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- W4318969849 doi "https://doi.org/10.1109/exampi56604.2022.00009" @default.
- W4318969849 hasPublicationYear "2022" @default.
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