Re: [OMPI users] Trouble with Mellanox's hcoll component and MPI_THREAD_MULTIPLE support?

2020-02-05 Thread Joshua Ladd via users
This is an ancient version of HCOLL. Please upgrade to the latest version (you can do this by installing HPC-X https://www.mellanox.com/products/hpc-x-toolkit) Josh On Wed, Feb 5, 2020 at 4:35 AM Angel de Vicente wrote: > Hi, > > Joshua Ladd writes: > > > We cannot reproduce this. On four node

Re: [OMPI users] Trouble with Mellanox's hcoll component and MPI_THREAD_MULTIPLE support?

2020-02-05 Thread Angel de Vicente via users
Hi, Joshua Ladd writes: > We cannot reproduce this. On four nodes 20 PPN with and w/o hcoll it > takes exactly the same 19 secs (80 ranks).  > > What version of HCOLL are you using? Command line? Thanks for having a look at this. According to ompi_info, our OpenMPI (version 3.0.1) was config