diff --git a/bench/Bench.hs b/bench/Bench.hs
index 2a50cac83..7a0c03590 100644
--- a/bench/Bench.hs
+++ b/bench/Bench.hs
@@ -1,4 +1,25 @@
 import Criterion.Main
 
+import Dodge.RandomHelp
+
+import Geometry
+
+import System.Random
+import Control.Monad.State
+import Data.List (zip4)
+
 main :: IO ()
-main = putStrLn "h"
+main = do
+    [ps1, ps2, ps3, ps4] <- mapM randomPoints [500,500,500,500]
+    fs <- sequence $ replicate 500 (randomRIO (1,20))
+    defaultMain
+        [ bgroup "circLine tests"
+            [ bench "circLine" $ nf (map $ uncurry4 circOnLine) (zip4 ps1 ps2 ps3 fs)           
+            , bench "circLine'" $ nf (map $ uncurry4 circOnLine') (zip4 ps1 ps2 ps3 fs)           
+            ]
+        ]
+
+uncurry4 f (a,b,c,d) = f a b c d
+
+randomPoints :: Int -> IO [Point2]
+randomPoints i = getStdGen >>= return . evalState (sequence $ replicate i $ randInCirc 500)
diff --git a/package.yaml b/package.yaml
index 63eef0d8d..17b7c70f9 100644
--- a/package.yaml
+++ b/package.yaml
@@ -84,6 +84,7 @@ benchmarks:
     loop-benchmarks:
         dependencies:
         - criterion
+        - loop
         ghc-options:
         - -threaded
         - -O2