diff --git a/sim/compiled_sim.bat b/sim/compiled_sim.bat
index 576c50a..190eab5 100644
--- a/sim/compiled_sim.bat
+++ b/sim/compiled_sim.bat
@@ -1,2 +1,2 @@
-gcc compiled_sim.c -shared -o compiled_sim.dll -Wall -Werror
+gcc compiled_sim.c -shared -o compiled_sim.dll -Wall -Werror -Ofast
 pause
diff --git a/sim/compiled_sim.dll b/sim/compiled_sim.dll
index 311e7f1..1df7ad1 100644
Binary files a/sim/compiled_sim.dll and b/sim/compiled_sim.dll differ
diff --git a/sim/group.lua b/sim/group.lua
index de7f6a6..d53de8e 100644
--- a/sim/group.lua
+++ b/sim/group.lua
@@ -212,6 +212,7 @@ function Group.mergeinto(group, group2)
 end
 
 -- Logic Critical
+-- Now implemented in C
 --function Group.update_c(cnet, tick)
 --	local state = cnet.state_num[0]>0 and 1 or 0
 --	if state ~= cnet.state[0] then
diff --git a/sim/simulation.lua b/sim/simulation.lua
index a2d2d4a..466003a 100644
--- a/sim/simulation.lua
+++ b/sim/simulation.lua
@@ -350,6 +350,7 @@ end
 
 -- Logic Critical
 function Simulation.ticklogic(sim)
+	-- Now implemented in C
 	--for i = 0, sim.num_groupqueue[0]-1 do
 	--	local cnet = sim.groupqueue[i]
 	--	Group.update_c(cnet, sim.current_tick[0])