Application of FPGA technology to performance limitations in radiation therapy

J. J. DeMarco; J. B. Smathers; Tim D. Solberg; Steve Casselman

Application of FPGA technology to performance limitations in radiation therapy

J. J. DeMarco, J. B. Smathers, Tim D. Solberg, Steve Casselman

Radiation Oncology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The field programmable gate array (FPGA) is a promising technology for increasing computation performance by providing for the design of custom chips through programmable logic blocks. This technology was used to implement and test a hardware random number generator (RNG) versus four software algorithms. The custom hardware consists of a sun SBus-based board (EVC) which has been designed around a Xilinx FPGA. A timing analysis indicates the Sun/EVC hardware generator computes 1 multiplied by 10 ⁶ random numbers approximately 50 times faster than the multiplicative congruential algorithm. The hardware and software RNGs were also compare using a Monte Carlo photon transport algorithm. For this comparison the Sun/EVC generator produces a performance increase of approximately 2.0 versus the software generators. This comparison is based upon 1 multiplied by 10 ⁵ photon histories.

Original language	English (US)
Title of host publication	Proceedings of SPIE - The International Society for Optical Engineering
Editors	John Schewel, Peter M. Athanas, V.Michael Jr. Bove, John Watson
Pages	295-299
Number of pages	5
Volume	2914
State	Published - 1996
Event	High-Speed Computing, Digital Signal Processing, and Filtering Using Reconfigurable Logic - Boston, MA, USA Duration: Nov 20 1996 → Nov 21 1996

Other

Other	High-Speed Computing, Digital Signal Processing, and Filtering Using Reconfigurable Logic
City	Boston, MA, USA
Period	11/20/96 → 11/21/96

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

Cite this

Application of FPGA technology to performance limitations in radiation therapy. / DeMarco, J. J.; Smathers, J. B.; Solberg, Tim D. et al.
Proceedings of SPIE - The International Society for Optical Engineering. ed. / John Schewel; Peter M. Athanas; V.Michael Jr. Bove; John Watson. Vol. 2914 1996. p. 295-299.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

DeMarco, JJ, Smathers, JB, Solberg, TD & Casselman, S 1996, Application of FPGA technology to performance limitations in radiation therapy. in J Schewel, PM Athanas, VMJ Bove & J Watson (eds), Proceedings of SPIE - The International Society for Optical Engineering. vol. 2914, pp. 295-299, High-Speed Computing, Digital Signal Processing, and Filtering Using Reconfigurable Logic, Boston, MA, USA, 11/20/96.

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AB - The field programmable gate array (FPGA) is a promising technology for increasing computation performance by providing for the design of custom chips through programmable logic blocks. This technology was used to implement and test a hardware random number generator (RNG) versus four software algorithms. The custom hardware consists of a sun SBus-based board (EVC) which has been designed around a Xilinx FPGA. A timing analysis indicates the Sun/EVC hardware generator computes 1 multiplied by 10 6 random numbers approximately 50 times faster than the multiplicative congruential algorithm. The hardware and software RNGs were also compare using a Monte Carlo photon transport algorithm. For this comparison the Sun/EVC generator produces a performance increase of approximately 2.0 versus the software generators. This comparison is based upon 1 multiplied by 10 5 photon histories.

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Application of FPGA technology to performance limitations in radiation therapy

Abstract

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ASJC Scopus subject areas

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