On Sat, Jul 14, 2012 at 2:43 AM, Olga Tramontano <tramontanoolga at yahoo.it>wrote:
> Hi all > I was trying to study Petsc for GPUs... I don't understand this: in the > sequential implementation there's one process that uses a signle GPU... and > that's ok! > What about the parallel implementation for GPUs? Are there multiple > processes using the same GPU, or each proess uses a separate GPU like its > own...? > The parallelism is managed by MPI, and we reuse the serial code for interacting with GPUs. Right now, We associate process round-robin with GPUs on the machine, but this should be easily configurable if that does not work for you. Matt > Thanks > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.mcs.anl.gov/pipermail/petsc-dev/attachments/20120714/0ec751af/attachment-0001.html>
