Hello all,
I use ndx2group in my simulation. It runs okey in serial. However, when I do:
mpirun -np 4 ~/software/lammps-7Aug19/src/lmp_mpi <runfile
It gives the errors:
Fatal error in PMPI_Bcast: Other MPI error, error stack:
PMPI_Bcast(1584)…: MPI_Bcast(buf=0x555ab8707460, count=4, MPI_CHAR, root=0, MPI_COMM_WORLD) failed
MPIR_Bcast_impl(1436)…:
MPIR_Bcast(1460)…:
MPIR_Bcast_intra(1241)…:
MPIR_SMP_Bcast(1085)…:
MPIR_Bcast_binomial(250): message sizes do not match across processes in the collective routine: Received 3 but expected 4
Fatal error in PMPI_Bcast: Other MPI error, error stack:
PMPI_Bcast(1584)…: MPI_Bcast(buf=0x55c830c9e420, count=4, MPI_CHAR, root=0, MPI_COMM_WORLD) failed
MPIR_Bcast_impl(1436)…:
MPIR_Bcast(1460)…:
MPIR_Bcast_intra(1241)…:
MPIR_SMP_Bcast(1085)…:
MPIR_Bcast_binomial(250): message sizes do not match across processes in the collective routine: Received 3 but expected 4
Fatal error in PMPI_Bcast: Other MPI error, error stack:
PMPI_Bcast(1584)…: MPI_Bcast(buf=0x561acd875460, count=4, MPI_CHAR, root=0, MPI_COMM_WORLD) failed
MPIR_Bcast_impl(1436)…:
MPIR_Bcast(1460)…:
MPIR_Bcast_intra(1241)…:
MPIR_SMP_Bcast(1085)…:
MPIR_Bcast_binomial(310): Failure during collective
Please find attached my input ,data and index files.
Thanks,
Jamal
data.dat (468 KB)
ndx (2.07 KB)
runfile (309 Bytes)