SC is the International Conference for
 High Performnance Computing, Networking, Storage and Analysis

SCHEDULE: NOV 13-19, 2010

A Block-Oriented Language and Runtime System for Tensor Algebra with Very Large Arrays

SESSION: Programming Models

EVENT TYPE: Paper

TIME: 2:30PM - 3:00PM

SESSION CHAIR: Kenjiro Taura

AUTHOR(S):Beverly A. Sanders, Rod Bartlett, Erik Deumens, Victor Lotrich, Mark Ponton

ROOM:391-392

ABSTRACT:
Important classes of problems in computational chemistry, notably coupled cluster methods, consist of solutions to complicated expressions defined in terms of tensors. Tensors are represented by multidimensional arrays that are typically extremely large, thus requiring distribution or in some cases backing on disk. We describe a parallel programming environment, the Super Instruction Architecture (SIA) comprising a domain specific programming language SIAL and its runtime system SIP that are specialized for this class of problems. A novel feature of the programming language is that SIAL programmers express algorithms in terms of operations on blocks rather than individual floating point numbers. Efficient implementations of the block operations as well as management of memory, communication, and I/O are provided by the runtime system. The system has been successfully used to develop ACES III, a software package for computational chemistry.

Chair/Author Details:

Kenjiro Taura (Chair) - University of Tokyo

Beverly A. Sanders - University of Florida

Rod Bartlett - University of Florida

Erik Deumens - University of Florida

Victor Lotrich - ACES QC

Mark Ponton - ACES QC

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The full paper can be found in the ACM Digital Library and IEEE Computer Society

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