CPU Hog removal

Ramon Nourequested to merge
rnou/cpu_hog into main

This MR removes a CPU hog (100%) on the MPI threads. Using thallium::thread::sleep produces it, we changed to a self::thread::wait_for to remove the extra CPU usage.

Merge request reports

src/master.cpp

+2 −1
Changes for src/master.cpp: 2 added lines, 1 removed line.
Original line number Diff line number Diff line
@@ -124,7 +124,8 @@ master_server::mpi_listener_ult() { 
        auto msg = world.iprobe();



        if(!msg) {

            thallium::thread::self().sleep(m_network_engine, 10);

            std::this_thread::sleep_for(10ms);

            //thallium::thread::self().sleep(m_network_engine, 10);

            continue;

        }