Re: [OMPI users] [EXTERNAL] RMA breakage

2020-12-07 Thread Pritchard Jr., Howard via users
Hello Dave, There's an issue opened about this - https://github.com/open-mpi/ompi/issues/8252 However, I'm not observing failures with IMB RMA on a IB/aarch64 system and UCX 1.9.0 using OMPI 4.0.x at 6ea9d98. This cluster is running RHEL 7.6 and MLNX_OFED_LINUX-4.5-1.0.1.0. Howard On 12/7/20

Re: [OMPI users] MPI-IO on Lustre - OMPIO or ROMIO?

2020-12-07 Thread Dave Love via users
Ralph Castain via users writes: > Just a point to consider. OMPI does _not_ want to get in the mode of > modifying imported software packages. That is a blackhole of effort we > simply cannot afford. It's already done that, even in flatten.c. Otherwise updating to the current version would be t

[OMPI users] RMA breakage

2020-12-07 Thread Dave Love via users
After seeing several failures with RMA with the change needed to get 4.0.5 through IMB, I looked for simple tests. So, I built the mpich 3.4b1 tests -- or the ones that would build, and I haven't checked why some fail -- and ran the rma set. Three out of 180 passed. Many (most?) aborted in ucx,

Re: [OMPI users] MPI_type_free question

2020-12-07 Thread Patrick Bégou via users
Hi George, I've implemented a call to MPI_Type_f2c using fortran C_BINDING and it works . Data types are allways set as deallocated (I've checked the reverse by commenting the calls to MPI_type_free(...) to be sure that it reports "Not deallocated" in my code in this case. Then I've ran the code

Re: [OMPI users] MPI_type_free question

2020-12-07 Thread Patrick Bégou via users
Hi, I've written a small piece of code to show the problem. Based on my application but 2D and using integers arrays for testing. The  figure below shows the max RSS size of rank 0 process on 2 iterations on 8 and 16 cores, with openib and tcp drivers. The more processes I have, the larger the