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CS 484

CS 484

CS 484. Message Passing. Based on multi-processor Set of independent processors Connected via some communication net All communication between processes is done via a message sent from one to the other. MPI. Message Passing Interface Computation is made of: One or more processes

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471 views • 47 slides
Avoiding Synchronization in Geometric Multigrid

Avoiding Synchronization in Geometric Multigrid

Avoiding Synchronization in Geometric Multigrid. Erin C. Carson 1 Samuel Williams 2 , Michael Lijewski 2 , Nicholas Knight 1 , Ann S. Almgren 2 , James Demmel 1 , and Brian Van Straalen 1,2 1 University of California, Berkeley, USA 2 Lawrence Berkeley National Laboratory, USA

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425 views • 32 slides
Avoiding Synchronization in Geometric Multigrid

Avoiding Synchronization in Geometric Multigrid

Avoiding Synchronization in Geometric Multigrid. Erin C. Carson 1 Samuel Williams 2 , Michael Lijewski 2 , Nicholas Knight 1 , Ann S. Almgren 2 , James Demmel 1 , and Brian Van Straalen 1,2 1 University of California, Berkeley, USA 2 Lawrence Berkeley National Laboratory, USA

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403 views • 32 slides
Collective Communications

Collective Communications

Collective Communications. Overview. All processes in a group participate in communication, by calling the same function with matching arguments. Types of collective operations: Synchronization: MPI_Barrier

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474 views • 25 slides
Operational Machines: ASCI White

Operational Machines: ASCI White

Operational Machines: ASCI White. Presented to SOS7 Mark Seager seager@llnl.gov 925-423-3141 ICCD ADH for Advanced Technology Lawrence Livermore National Laboratory.

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74 views • 7 slides
Evaluation of Java Message Passing in High Performance Data Analytics

Evaluation of Java Message Passing in High Performance Data Analytics

Evaluation of Java Message Passing in High Performance Data Analytics. Saliya Ekanayake. Overview. Performance of MPI Kernel Operations Implementations based on Ohio MicroBenchmark suite Evaluates MPI allreduce , and send and receive Performance of Deterministic Annealing Vector Sponge

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170 views • 5 slides

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