Zoltan_Malloc (.../trilinos/packages/zoltan/src/all/all_allo.c,194) No space on proc 0 - number of bytes requested = 18446744068066390400
Created by: jbakosi
I get the above error from Zoltan/Zoltan2
when requesting 2 partitions on a single MPI rank using OpenMPI 2.0.2. No problem using OpenMPI 1.10.2.
Here is a trace:
Zoltan_Malloc (from .../trilinos/packages/zoltan/src/all/all_allo.c,194) No space on proc 0 - number of bytes requested = 18446744068066390400
137: [0] Zoltan ERROR in Zoltan_Invert_Lists (line 250 of .../trilinos/packages/zoltan/src/lb/lb_invert.c): Insufficient memory.
137: [0] Zoltan ERROR in Zoltan_LB (line 582 of .../trilinos/packages/zoltan/src/lb/lb_balance.c): Error building return arguments; -2 returned by Zoltan_Compute_Destinations
137:
137: terminate called after throwing an instance of 'std::runtime_error'
137: what(): 0: .../include/Zoltan2_AlgZoltan.hpp,408
137: 0: error: Zoltan LB_Partition
The problem is triggered by Zoltan2::PartitioningProblem<tk::zoltan::GeometricMeshElemAdapter<Zoltan2::BasicUserTypes<double, unsigned long, unsigned long> > >::solve()
at https://github.com/quinoacomputing/quinoa/blob/master/src/LinSys/ZoltanInterOp.C#L151.
Please let me know if/how I can help debugging this.