Fix another copy+paste error

benchmark.lua

@@ -1,20 +0,0 @@
-local calpi = function()
-	local operator = '+'
-	local mypi = 0
-	for i=1, 10000000000, 2 do
-		if operator == '+' then
-			mypi = mypi + (4/i)
-			operator = '-'
-		elseif operator == '-' then
-			mypi = mypi - (4/i)
-			operator = '+'
-		end
-	end
-	print(mypi)
-end
-
-start = os.clock()
-calpi()
-stop = os.clock()
-
-return (stop - start)

calpi.lua

@@ -0,0 +1,16 @@
+local unpack = unpack or table.unpack
+
+local function calpi()
+	local op = true
+	local operator = "+"
+	local mypi = 0
+	for i=1, 10000000000, 2 do
+		mypi, op = (op and mypi+(4/i) or mypi-(4/i)), (not op and true or false)
+	end
+end
+
+start = os.clock()
+calpi()
+stop = os.clock()
+
+return (stop - start)

init.lua

@@ -1,12 +1,23 @@
 local modpath = minetest.get_modpath("benchmark")
 
+local printall = function(string)
+	minetest.chat_send_all(string)
+	print(string)
+end
+
 minetest.register_chatcommand("benchmark", {
 	params = "",
 	description = "Benchmark the server (will stop everything for ~15 seconds)",
 	func = function(name, param)
 		if minetest.check_player_privs(name, {server=true}) then
-			local benchmark = dofile(modpath .. "/benchmark.lua")
-			minetest.chat_send_all(benchmark)
+			printall("Starting Pi Benchmark")
+			local calpi = dofile(modpath .. "/calpi.lua")
+			printall("Pi took " .. calpi .. " seconds.")
+
+			--printall("Starting Mapgen Benchmark")
+			--local mapgen = dofile(modpath .. "/mapgen.lua")
+			--printall("Mapgen took: " .. mapgen .. "seconds.")
+
 			return true, "Done."
 		else return false, "Operation not permitted"
 		end

mapgen.lua

@@ -0,0 +1,15 @@
+local sleep = function(time)
+	while os.time() ~= (start+time) do end
+end
+
+local start = os.time()
+
+minetest.emerge_area({x=30000, y=0, z=30000}, {x=29990, y=0, z=29990})
+
+while (not minetest.get_node_or_nil({x=29990, 0, 29990})) do
+	sleep(1)
+end
+
+stop = os.time()
+
+return (stop - start)