Dear Åke, Thanks.
Best wishes, Victor H. Rusu, PhD CSCS Swiss National Supercomputing Centre Via Trevano 131 6900 Lugano Switzerland On 20.11.17, 10:54, "Åke Sandgren" <ake.sandg...@hpc2n.umu.se> wrote: And it is only the 2018.0.128 version that has shown this specific problem. The older versions that I've tried doesn't show this behaviour on FFTW, nor does 2018.1.163