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cs.DC2018
Task Graph Transformations for Latency Tolerance
Victor Eijkhout
The Integrative Model for Parallelism (IMP) derives a task graph from a higher level description of parallel algorithms. In this note we show how task graph transformations can be…
cs.DC2018
Performance of MPI sends of non-contiguous data
Victor Eijkhout
We present an experimental investigation of the performance of MPI derived datatypes. For messages up to the megabyte range most schemes perform comparably to each other and to man…