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- W2605368052 abstract "Recently Graphics Processing Units (GPUs) have been used to speed up very CPU-intensive gravitational microlensing simulations. In this work, we use the Xeon Phi coprocessor to accelerate such simulations and compare its performance on a microlensing code with that of NVIDIA’s GPUs. For the selected set of parameters evaluated in our experiment, we find that the speedup by Intel’s Knights Corner coprocessor is comparable to that by NVIDIA’s Fermi family of GPUs with compute capability 2.0, but less significant than GPUs with higher compute capabilities such as the Kepler. However, the very recently released second generation Xeon Phi, Knights Landing, is about 5.8 times faster than the Knights Corner, and about 2.9 times faster than the Kepler GPU used in our simulations. We conclude that the Xeon Phi is a very promising alternative to GPUs for modern high performance microlensing simulations." @default.
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- W2605368052 date "2017-04-01" @default.
- W2605368052 modified "2023-09-26" @default.
- W2605368052 title "Accelerating gravitational microlensing simulations using the Xeon Phi coprocessor" @default.
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- W2605368052 doi "https://doi.org/10.1016/j.ascom.2017.03.005" @default.
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