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Improving Particle Filter Performance Using SSE Instructions.
Peter
Djeu, Michael Quinlan, and Peter
Stone.
In Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS), October
2009.
[PDF]176.8kB [postscript]2.7MB
Robotics researchers are often faced with real-time constraints, and for that reason algorithmic and implementation-level optimization can dramatically increase the overall performance of a robot. In this paper we illustrate how a substantial run-time gain can be achieved by taking advantage of the extended instruction sets found in modern processors, in particular the SSE1 and SSE2 instruction sets. We present an SSE version of Monte Carlo Localization that results in an impressive 9x speedup over an optimized scalar implementation. In the process, we discuss SSE implementations of atan, atan2 and exp that achieve up to a 4x speedup in these mathematical operations alone.
@InProceedings{IROS09-djeu,
author="Peter Djeu and Michael Quinlan and Peter Stone",
title="Improving Particle Filter Performance Using SSE Instructions",
booktitle = "Proceedings of IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS)",
location = "St. Louis, USA",
month = "October",
year = "2009",
abstract = {Robotics researchers are often faced with real-time constraints, and for that
reason algorithmic and implementation-level optimization can dramatically
increase the overall performance of a robot. In this paper we illustrate how
a substantial run-time gain can be achieved by taking advantage of the extended
instruction sets found in modern processors, in particular the SSE1 and SSE2
instruction sets. We present an SSE version of Monte Carlo Localization
that results in an impressive 9x speedup over an optimized scalar
implementation. In the process, we discuss SSE implementations of
atan, atan2 and exp that achieve up to a 4x speedup in these
mathematical operations alone.},
}
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