COSMA miniapp on Summit

[ajaypanyala]

Hello! I am trying out COSMA on Summit. Built COSMA using -DCOSMA_BLAS=CUDA -DCOSMA_WITH_PROFILING=ON using GCC 8.1, CUDA 10.1 and IBM Spectrum MPI 10.3

Testing the miniapp as follows using 3 nodes, 6 mpi ranks, 6 GPUs per node:

cosma/build/miniapp/cosma_miniapp -m 1000 -n 1000 -k 1000 -P 18

The result I get is

Strategy = Matrix dimensions (m, n, k) = (1000, 1000, 1000)
Number of processors: 1
Overlap of communication and computation: OFF.
Divisions strategy: 
Required memory per rank (in #elements): 166668
Available memory per rank (in #elements): 9223372036854775807

_p_ REGION                     CALLS      THREAD        WALL       %
_p_ total                          -       0.005       0.005   100.0
_p_   multiply                     -       0.004       0.004    86.8
_p_     computation                1       0.004       0.004    86.8
_p_     other                      2       0.000       0.000     0.0
_p_   preprocessing                -       0.001       0.001    13.2
_p_     communicators              1       0.001       0.001    12.8
_p_     matrices                   -       0.000       0.000     0.4
_p_       mapper                   -       0.000       0.000     0.3
_p_         coordinates            3       0.000       0.000     0.2
_p_         sizes                  3       0.000       0.000     0.1
_p_       layout                   3       0.000       0.000     0.0
_p_       buffer                   3       0.000       0.000     0.0
_p_     allocation                 2       0.000       0.000     0.0
COSMA TIMES [ms] = 5 

Am not sure why the Number of processors is reported as 1 instead of 18.

[ajaypanyala]

Sorry. I did not realize that the processors and strategy are dynamically adjusted based on problem size. Closing this issue!