unstructured PDLIB regtests not reproducing with different number of MPI tasks

[JessicaMeixner-NOAA]

When running the following regression tests with a different number of MPI tasks and then comparing with matrix.base, the regression tests do not reproduce:

./bin/run_test  -s MPI -s PDLIB -w work_c -g c -f -p mpirun -n 36 ../model ww3_tp2.17
./bin/run_test -s MPI -s PDLIB -w work_mb -m grdset_b -f -p mpirun -n 36 ../model ww3_tp2.17
./bin/run_test -s MPI -s PDLIB -w work_mc -m grdset_c -f -p mpirun -n 36 ../model ww3_tp2.17
./bin/run_test -s MPI -s PDLIB -w work_pdlib -g pdlib -f -p mpirun -n 36 ../model ww3_tp2.6

[benoitp-cmc]

Could it be related to not using INIT_GET_ISEA here:

WW3/model/src/w3iorsmd.F90

Line 795 in c6408fa

ISEA = IAPROC + (JSEA - 1) * NAPROC

[aronroland]

Yes, it seems a good candidate. :)

Many thanks for looking at this and pointing out this issue. Good catch!