From the start of 2016 some shared nodes has been configured on the Occigen machine.
This change was applied in the accounting on the web site “reser” from April, 13th 2016 on all the jobs of 2016.
Be carefull : The accounting of the shared nodes take is based on the needs in cores and memory ask in each jobs.
You can find more information in the section Comptabilisation des ressouces.