- new simgrid::instr::CollTIData("reduce", MPI_COMM_WORLD->group()->actor(args.root)->get_pid(),
- args.comp_size, args.comm_size, -1,
- Datatype::encode(args.datatype1), ""));
+ new simgrid::instr::CollTIData("reduce", MPI_COMM_WORLD->group()->actor(args.root), args.comp_size,
+ args.comm_size, 0, Datatype::encode(args.datatype1), ""));