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- W3111877393 abstract "MPI_Bcast collective communication operation is used by many scientific applications and tend to limit overall parallel application scalability. This paper investigates the design and optimization of broadcast operation for NUMA nodes with GNU/Linux. We describe algorithms for MPI_Bcast that take advantage of NUMA-specific placement of queues in a shared memory for message transferring. On a Xeon Nehalem and Xeon Broadwell servers, our implementation achieves on average 20–60% speedup over algorithms of Open MPI coll/sm and MVAPICH." @default.
- W3111877393 created "2020-12-21" @default.
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- W3111877393 date "2020-01-01" @default.
- W3111877393 modified "2023-10-17" @default.
- W3111877393 title "Shared Memory Based MPI Broadcast Algorithms for NUMA Systems" @default.
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- W3111877393 doi "https://doi.org/10.1007/978-3-030-64616-5_41" @default.
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