sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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Introductory and Advanced OpenSHMEM Programming

SESSION: Introductory and Advanced OpenSHMEM Programming

EVENT TYPE: Tutorials

TIME: 1:30PM - 5:00PM

ROOM:393

ABSTRACT:

As high performance computing systems become larger better mechanisms are required to communicate and coordinate processes within or across nodes. Communication libraries like OpenSHMEM can leverage hardware capabilities such as remote directory memory access (RDMA) to hide latencies through one-sided data transfers. OpenSHMEM API provides data transfer routines, collective operations such as reductions and concatenations, synchronizations, and memory management.

In this tutorial, we will present an introductory course on OpenSHMEM, its current state and the community’s future plans. We will show how to use OpenSHMEM to add parallelism to programs via an exploration of its core features. We will demonstrate simple techniques to port applications to run at scale while improving the program performance using OpenSHMEM, and discuss how to migrate existing applications that use message passing techniques to equivalent OpenSHMEM programs that run more efficiently. We will then present a new low-level communication library called Unified Common Communication Substrate (UCCS) and the second part of the tutorial will focus on how to use the OpenSHMEM-UCCS implementation on applications. UCCS is designed to sit underneath any message passing or PGAS user-oriented language or library.

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