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IEICE TRANSACTIONS on Information

Performance Modeling of Stencil Computing on a Stream-Based FPGA Accelerator for Efficient Design Space Exploration

Keisuke DOHI, Koji OKINA, Rie SOEJIMA, Yuichiro SHIBATA, Kiyoshi OGURI

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Summary :

In this paper, we discuss performance modeling of 3-D stencil computing on an FPGA accelerator with a high-level synthesis environment, aiming for efficient exploration of user-space design parameters. First, we analyze resource utilization and performance to formulate these relationships as mathematical models. Then, in order to evaluate our proposed models, we implement heat conduction simulations as a benchmark application, by using MaxCompiler, which is a high-level synthesis tool for FPGAs, and MaxGenFD, which is a domain specific framework of the MaxCompiler for finite-difference equation solvers. The experimental results with various settings of architectural design parameters show the best combination of design parameters for pipeline structure can be systematically found by using our models. The effects of changing arithmetic accuracy and using data stream compression are also discussed.

Publication
IEICE TRANSACTIONS on Information Vol.E98-D No.2 pp.298-308
Publication Date
2015/02/01
Publicized
2014/11/19
Online ISSN
1745-1361
DOI
10.1587/transinf.2014RCP0013
Type of Manuscript
Special Section PAPER (Special Section on Reconfigurable Systems)
Category
Application

Authors

Keisuke DOHI
  Nagasaki University
Koji OKINA
  Nagasaki University
Rie SOEJIMA
  Nagasaki University
Yuichiro SHIBATA
  Nagasaki University
Kiyoshi OGURI
  Nagasaki University

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