DOSA: Design Optimizer for Scientific Applications

David A. Bader, Viktor K. Prasanna

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this work, we propose an application composition system (ACS) that allows design-time exploration and automatic run-time optimizations so that we relieve application programmers and compiler writers from the challenging task of optimizing the computation in order to achieve high performance. Our new framework, called "Design Optimizer for Scientific Applications" (DOSA), allows the programmer or compiler writer to explore alternative designs and optimize for speed (or power) at design-time and use its run-time optimizer as an automatic ACS. The ACS constructs an efficient application that dynamically adapts to changes in the underlying execution environment based on the kernel model, architecture, system features, available resources, and performance feedback. The run-time system is a portable interface that enables dynamic application optimization by interfacing with the output of DOSA. It thus provides an application composition system that determines suitable components and performs continuous performance optimizations. We focus on utilizing advanced architectural features and memory-centric optimizations that reduce the I/O complexity, cache pollution, and processor-memory traffic, in order to achieve high performance. The design-time effort uses a computer-aided design space exploration that provides a user-friendly graphical modeling environment, high-level performance estimation and profiling, and the ability to integrate low-level simulators suitable for HPC architectures.

Original languageEnglish (US)
Title of host publicationProceedings - 21st International Parallel and Distributed Processing Symposium, IPDPS 2007; Abstracts and CD-ROM
DOIs
StatePublished - 2007
Externally publishedYes
Event21st International Parallel and Distributed Processing Symposium, IPDPS 2007 - Long Beach, CA, United States
Duration: Mar 26 2007Mar 30 2007

Publication series

NameProceedings - 21st International Parallel and Distributed Processing Symposium, IPDPS 2007; Abstracts and CD-ROM

Other

Other21st International Parallel and Distributed Processing Symposium, IPDPS 2007
Country/TerritoryUnited States
CityLong Beach, CA
Period3/26/073/30/07

All Science Journal Classification (ASJC) codes

  • Hardware and Architecture
  • Software
  • Mathematics(all)

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