set to REPL to run in efficiency mode under Windows

objeck · Nov 20, 2023 · f69842a · f69842a
1 parent 91ddf36
commit f69842a
Showing 1 changed file with 9 additions and 0 deletions.
diff --git a/core/repl/repl.cpp b/core/repl/repl.cpp
@@ -178,6 +178,15 @@ void SetEnv()
     std::wcerr << "Unable to initialize I/O subsystem" << std::endl;
     exit(1);
   }
+
+  // set to efficiency mode
+  SetPriorityClass(GetCurrentProcess(), IDLE_PRIORITY_CLASS);
+  PROCESS_POWER_THROTTLING_STATE PowerThrottling = { 0 };
+  PowerThrottling.Version = PROCESS_POWER_THROTTLING_CURRENT_VERSION;
+  PowerThrottling.ControlMask = PROCESS_POWER_THROTTLING_EXECUTION_SPEED;
+  PowerThrottling.StateMask = PROCESS_POWER_THROTTLING_EXECUTION_SPEED;
+  SetProcessInformation(GetCurrentProcess(), ProcessPowerThrottling, &PowerThrottling, sizeof(PowerThrottling));
+
 #endif
 #else
 #if defined(_X64)