Making fortran legacy code more functional: using the BGS* geomagnetic field modelling system as an example

Abstract

This paper presents an application case study of the British Geological Survey's (BGS) Geomagnetic Field Modelling System code. The program consists of roughly 20 000 lines of highly-tuned F<scp>ortran</scp> MPI code that has a runtime of about 12 hours for a signal execution cycle on a cluster utilising approximately 100 CPU cores. The program contains a… (More)
DOI: 10.1145/2897336.2897348

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