201 citations · 727 across the 22 of their papers we have counts for
22 papers
Climate Change Modelling at Reduced Float Precision with Stochastic Rounding
Tom Kimpson, E. Adam Paxton, Matthew Chantry +1
Reduced precision floating point arithmetic is now routinely deployed in numerical weather forecasting over short timescales. However the applicability of these reduced precision t…
A Generative Deep Learning Approach to Stochastic Downscaling of Precipitation Forecasts
Lucy Harris, Andrew T. T. McRae, Matthew Chantry +2
Despite continuous improvements, precipitation forecasts are still not as accurate and reliable as those of other meteorological variables. A major contributing factor to this is t…
Bell's Theorem, Non-Computability and Conformal Cyclic Cosmology: A Top-Down Approach to Quantum Gravity
T. N. Palmer
This paper draws on a number of Roger Penrose's ideas - including the non-Hamiltonian phase-space flow of the Hawking Box, Conformal Cyclic Cosmology, non-computability and gravita…
Climate Modelling in Low-Precision: Effects of both Deterministic & Stochastic Rounding
E. Adam Paxton, Matthew Chantry, Milan Klöwer +2
Motivated by recent advances in operational weather forecasting, we study the efficacy of low-precision arithmetic for climate simulations. We develop a framework to measure roundi…
Mixed-precision for Linear Solvers in Global Geophysical Flows
Jan Ackmann, Peter D. Düben, Tim N. Palmer +1
Semi-implicit time-stepping schemes for atmosphere and ocean models require elliptic solvers that work efficiently on modern supercomputers. This paper reports our study of the pot…
Experimental Tests of Invariant Set Theory
Jonte R. Hance, Tim N. Palmer, John Rarity
We identify points of difference between Invariant Set Theory and standard quantum theory, and show that these lead to noticeable differences in predictions between the two theorie…