Scalable and massively parallel Monte Carlo photon transport simulations for heterogeneous computing platforms

11/09/2017 ∙ by Leiming Yu, et al. ∙ 0

We present a highly scalable Monte Carlo (MC) 3D photon transport simulation platform designed for heterogeneous computing systems. By developing a massively parallel MC algorithm using the OpenCL framework, this research extends our existing GPU-accelerated MC technique to a highly-scalable vendor-independent heterogeneous computing environment, achieving significantly improved performance and software portability. A number of parallel computing techniques are investigated to achieve portable performance over a wide range of computing hardware. Furthermore, multiple thread-level and device-level load-balancing strategies have been developed to obtain efficient simulations using multiple CPUs and GPUs.



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