Re: [OMPI users] Handle Ctrl+C in subprocesses

2020-04-28 Thread George Reeke via users
On Mon, 2020-04-27 at 11:48 +0100, Jérémie Wenger via users wrote: > Hi, > > I recently installed open mpi (4.0.3) using the procedure described > here, as I'm trying to use Horovod for multiple gpu acceleration. > > I am looking for a way to handle a keyboard interrupt (save a deep > learning mo

Re: [OMPI users] Slow collective MPI File IO

2020-04-07 Thread George Reeke via users
On Mon, 2020-04-06 at 10:02 -0400, Dong-In Kang via users wrote: > > Thank you Edgar for the information. > > I also tried MPI_File_write_at_all(), but it usually makes the > performance worse. > My program is very simple. > Each MPI process writes a consecutive portion of a file. > No interleavi