new simgrid::instr::VarCollTIData(request == MPI_REQUEST_IGNORED ? "reducescatter" : "ireducescatter", -1, 0,
nullptr, -1, trace_recvcounts, simgrid::smpi::Datatype::encode(datatype), ""));
new simgrid::instr::VarCollTIData(request == MPI_REQUEST_IGNORED ? "reducescatter" : "ireducescatter", -1, 0,
nullptr, -1, trace_recvcounts, simgrid::smpi::Datatype::encode(datatype), ""));