Parallel computing with graphics processing units for high-speed Monte Carlo simulation of photon migration.

Erik Alerstam, Tomas Svensson, Stefan Andersson-Engels

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Abstract

General-purpose computing on graphics processing units (GPGPU) is shown to dramatically increase the speed of Monte Carlo simulations of photon migration. In a standard simulation of time-resolved photon migration in a semi-infinite geometry, the proposed methodology executed on a low-cost graphics processing unit (GPU) is a factor 1000 faster than simulation performed on a single standard processor. In addition, we address important technical aspects of GPU-based simulations of photon migration. The technique is expected to become a standard method in Monte Carlo simulations of photon migration.
Original languageEnglish
Article number060504
JournalJournal of Biomedical Optics
Volume13
Issue number6
DOIs
Publication statusPublished - 2008

Subject classification (UKÄ)

  • Bioengineering Equipment

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