MPI_Offset* min_offsets = xbt_new(MPI_Offset, size);\r
MPI_Offset* max_offsets = xbt_new(MPI_Offset, size);\r
simgrid::smpi::Colls::allgather(&min_offset, 1, MPI_OFFSET, min_offsets, 1, MPI_OFFSET, comm_);\r
MPI_Offset* min_offsets = xbt_new(MPI_Offset, size);\r
MPI_Offset* max_offsets = xbt_new(MPI_Offset, size);\r
simgrid::smpi::Colls::allgather(&min_offset, 1, MPI_OFFSET, min_offsets, 1, MPI_OFFSET, comm_);\r