Re: [petsc-users] Memory growth issue

2019-06-01 Thread Zhang, Junchao via petsc-users
On Sat, Jun 1, 2019 at 3:21 AM Sanjay Govindjee mailto:s...@berkeley.edu>> wrote: Barry, If you look at the graphs I generated (on my Mac), you will see that OpenMPI and MPICH have very different values (along with the fact that MPICH does not seem to adhere to the standard (for releasing MPI_

Re: [petsc-users] Memory growth issue

2019-06-01 Thread Sanjay Govindjee via petsc-users
Barry, If you look at the graphs I generated (on my Mac),  you will see that OpenMPI and MPICH have very different values (along with the fact that MPICH does not seem to adhere to the standard (for releasing MPI_ISend resources following and MPI_Wait). -sanjay PS: I agree with Barry's asses

Re: [petsc-users] Memory growth issue

2019-06-01 Thread Smith, Barry F. via petsc-users
Junchao, This is insane. Either the OpenMPI library or something in the OS underneath related to sockets and interprocess communication is grabbing additional space for each round of MPI communication! Does MPICH have the same values or different values than OpenMP? When you run on Li