Numerical Reproducibility in open TELEMAC: A Case Study within the Tomawac Library
Abstract
The lack of numerical reproducibility for parallel floating-point computations is a stringent problem for HPC numerical simula-tions. Reproducibility is indeed desirable for code verification, testing, debugging and even for certification authority agreement. We describe and analyse strategies towards numerically reproducible simulations with a well known open source software for computational fluid dynamics.
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