Re: [OMPI users] Severe performance issue with PSM2 and single-node CP2K jobs

2017-02-21 Thread Iliev, Hristo
. Regards, Hristo From: users [mailto:users-boun...@lists.open-mpi.org] On Behalf Of Jingchao Zhang Sent: Wednesday, February 08, 2017 6:40 PM To: users@lists.open-mpi.org Subject: Re: [OMPI users] Severe performance issue with PSM2 and single-node CP2K jobs Hi Hristo, We have a

Re: [OMPI users] Severe performance issue with PSM2 and single-node CP2K jobs

2017-02-08 Thread Cabral, Matias A
Hi Hristo, As you mention I have seen that the sm btl shows better performance for smaller messages than PMS2 shm device does, by running some osu benchmarks (especially BW for msg<256B). I even suspect that the difference would be more notable if you test the vader btl. However, the piece tha

Re: [OMPI users] Severe performance issue with PSM2 and single-node CP2K jobs

2017-02-08 Thread Jingchao Zhang
Hi Hristo, We have a similar problem here and I started a thread a few days ago. https://mail-archive.com/users@lists.open-mpi.org/msg30581.html Regard, Jingchao From: users on behalf of Iliev, Hristo Sent: Wednesday, February 8, 2017 10:43:54 AM To: users