TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
new simgrid::instr::VarCollTIData("reduceScatter", -1, 0, nullptr, -1, trace_recvcounts,
TRACE_smpi_comm_in(my_proc_id, __FUNCTION__,
new simgrid::instr::VarCollTIData("reduceScatter", -1, 0, nullptr, -1, trace_recvcounts,