Re: [OMPI users] --with-mpi-f90-size in openmpi-3.0.2

2018-09-27 Thread Jeff Squyres (jsquyres) via users
On Sep 27, 2018, at 12:16 AM, Zeinab Salah wrote: > > I have a problem in running an air quality model, maybe because of the size > of calculations, so I tried different versions of openmpi. > I want to install openmpi-3.0.2 with the option of > "--with-mpi-f90-size=medium", but this option

Re: [OMPI users] RDMA over Ethernet in Open MPI - RoCE on AWS?

2018-09-27 Thread Barrett, Brian via users
On Sep 11, 2018, at 10:46 AM, Benjamin Brock mailto:br...@cs.berkeley.edu>> wrote: Thanks for your response. One question: why would RoCE still requiring host processing of every packet? I thought the point was that some nice server Ethernet NICs can handle RDMA requests directly? Or am I

Re: [OMPI users] --with-mpi-f90-size in openmpi-3.0.2

2018-09-27 Thread Zeinab Salah
Thank you so much for your detailed answers. I use gfortran 4.8.3, what should I do? or what is the suitable openmpi version for this version? Thanks again Best wishes Zeinab ‫في الخميس، 27 سبتمبر 2018 في 4:21 م تمت كتابة ما يلي بواسطة ‪Jeff Squyres (jsquyres) via users‬‏

Re: [OMPI users] --with-mpi-f90-size in openmpi-3.0.2

2018-09-27 Thread Jeff Squyres (jsquyres) via users
On Sep 27, 2018, at 1:52 PM, Zeinab Salah wrote: > > Thank you so much for your detailed answers. > I use gfortran 4.8.3, what should I do? or what is the suitable openmpi > version for this version? If you build Open MPI v3.1.2 with gfortran 4.8.3, you will automatically get the "old"