An approach to increase reliability of HPC simulation, application to the Gysela5D codeJulien Bigot, Guillaume Latu, Thomas Cartier-Michaud, Virginie Grandgirard, Chantal Passeron and Fabien RozarESAIM: Proc., 53 (2016) 248-270DOI: https://doi.org/10.1051/proc/201653015