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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > GPU Accelerated Nested Sampling
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If you have a question about this talk, please contact nobody. RCLW03 - Accelerating statistical inference and experimental design with machine learning Nested Sampling is a Monte Carlo method that performs parameter estimation and model comparison robustly for a variety of high dimensional and complicated distributions. It has seen widespread usage in the physical sciences, however in recent years increasingly it is viewed as part of a legacy code base, with GPU native paradigms such as neural simulation based inference coming to the fore. In this work we demonstrate that we can effectively reformulate Nested Sampling to a form that is highly amenable to modern GPU hardware, taking unique advantage of vectorization opportunities to accelerate numerical inference to state of the art levels. We provide a public implementation of this code, distributed via the blackjax statistical framework, which allows direct comparison with other well-established statistical methods such as Hamiltonian Monte Carlo and Sequential Monte Carlo, and in this contribution will explore its application to a number of inference problems such as Gravitational Wave parameter estimation and CMB cosmology.Co-author: David Yallup This talk is part of the Isaac Newton Institute Seminar Series series. This talk is included in these lists:
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