Hi, Is this a bug or does give you an error message? I can't remember why I changed it but I fear this is not a bug, it may rather depend on the hardware and the cuda version. Simon On Tue, Dec 4, 2012 at 6:59 PM, Sébastien Brousmiche <sebastien.brousmiche at uclouvain.be> wrote: > Fix compatibility when CUDA is not presen