+simgrid::config::Flag<std::string> _sg_mc_buffering{
+ "smpi/buffering",
+ "Buffering semantic to use for MPI (only used in MC)",
+ "infty",
+ {{"zero", "No system buffering: MPI_Send is blocking"},
+ {"infty", "Infinite system buffering: MPI_Send returns immediately"}},
+ [](const std::string&) { _mc_cfg_cb_check("buffering mode"); }};
+