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pMR: A high-performance communication library
[article]
2017
arXiv
pre-print
On many parallel machines, the time LQCD applications spent in communication is a significant contribution to the total wall-clock time, especially in the strong-scaling limit. We present a novel high-performance communication library that can be used as a de facto drop-in replacement for MPI in existing software. Its lightweight nature that avoids some of the unnecessary overhead introduced by MPI allows us to improve the communication performance of applications without any algorithmic or
arXiv:1701.08521v1
fatcat:wv3hhyswyjefze3pkvydobjise