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Global Trees: A framework for linked data structures on distributed memory parallel systems

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6 Author(s)
D. Brian Larkins ; Dept. of Computer Science and Engineering, The Ohio State University, Columbus, 43221, USA ; James Dinan ; Sriram Krishnamoorthy ; Srinivasan Parthasarathy
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This paper describes the Global Trees (GT) system that provides a multi-layered interface to a global address space view of distributed tree data structures, while providing scalable performance on distributed memory systems. The Global Trees system utilizes coarse-grained data movement to enhance locality and communication efficiency. We describe the design and implementation of GT, illustrate its use in the context of a gravitational simulation application, and provide experimental results that demonstrate the effectiveness of the approach. The key benefits of using this system include efficient shared-memory style programming of distributed trees, tree-specific optimizations for data access and computation, and the ability to customize many aspects of GT to optimize application performance.

Published in:

2008 SC - International Conference for High Performance Computing, Networking, Storage and Analysis

Date of Conference:

15-21 Nov. 2008