Category Archives: GCM

Kurtosis, Mpemba, Temperature and History

Does hot water freeze faster than cold water? It depends on the history of the water… Is there a fat tailed distribution of non-temperature states (such as spin of the particles) due to kurtosis in the process, or not? Continue reading

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Posted in Earth Sciences, GCM, Global Warming General, Science Bits | Tagged , , , , | 12 Comments

Interesting Discussion on Models

Evaluating Models and how to describe the Earth in math, as a problem set. Some musings. Continue reading

Posted in GCM | Tagged , , , | 30 Comments

OpenMP, OpenMPI, MPICH decisions decisions

A short look at OpenMP multithread code, a new kind of bug that comes with multithread conversions, and OpenMP vs OpenMPI Continue reading

Posted in GCM, Tech Bits | Tagged , , , , | 50 Comments

A FAMOUS/HadCM3 Parallel Computing Paper That Has Saved Me Years

About efficiency and Climate Models; making code parallel, and a few side remarks about run-time sensitivity to things like particular hardware and compiler settings. Continue reading

Posted in GCM, Tech Bits | Tagged , , , , , | 26 Comments