diff --git a/tests/bench_masks.nim b/tests/bench_masks.nim
index abf15de..c3f21c3 100644
--- a/tests/bench_masks.nim
+++ b/tests/bench_masks.nim
@@ -1,70 +1,71 @@
 import benchy, pixie
 
-let mask = newMask(2560, 1440)
+block:
+  let mask = newMask(2560, 1440)
 
-proc reset() =
+  proc reset() =
+    mask.fill(63)
+
+  reset()
+
+  timeIt "minifyBy2":
+    let minified = mask.minifyBy2()
+    doAssert minified[0, 0] == 63
+
+  reset()
+
+  timeIt "magnifyBy2":
+    let magnified = mask.magnifyBy2()
+    doAssert magnified[0, 0] == 63
+
+  reset()
+
+  timeIt "invert":
+    mask.invert()
+
+  reset()
+
+  timeIt "applyOpacity":
+    reset()
+    mask.applyOpacity(0.5)
+
+  reset()
+
+  timeIt "ceil":
+    mask.ceil()
+
+block:
+  let mask = newMask(400, 400)
   mask.fill(63)
 
-reset()
+  timeIt "blur":
+    mask.blur(12)
 
-timeIt "minifyBy2":
-  let minified = mask.minifyBy2()
-  doAssert minified[0, 0] == 63
+  block spread_1:
+    let p = newPath()
+    p.rect(100, 100, 200, 200)
 
-reset()
+    timeIt "spread_1":
+      mask.fill(0)
+      mask.fillPath(p)
+      mask.spread(5)
 
-timeIt "magnifyBy2":
-  let magnified = mask.magnifyBy2()
-  doAssert magnified[0, 0] == 63
+  block spread_2:
+    let p = newPath()
+    p.rect(100, 100, 200, 200)
 
-reset()
+    timeIt "spread_2":
+      mask.fill(0)
+      mask.fillPath(p)
+      mask.spread(10)
 
-timeIt "invert":
-  mask.invert()
+  block spread_3:
+    timeIt "spread_3":
+      mask.fill(255)
+      mask.spread(10)
 
-reset()
-
-timeIt "applyOpacity":
-  reset()
-  mask.applyOpacity(0.5)
-
-reset()
-
-timeIt "blur":
-  mask.blur(40)
-
-reset()
-
-timeIt "ceil":
-  mask.ceil()
-
-reset()
-
-block spread_1:
-  let p = newPath()
-  p.rect(500, 500, 500, 500)
-
-  timeIt "spread_1":
-    mask.fill(0)
-    mask.fillPath(p)
-    mask.spread(10)
-
-block spread_2:
-  let p = newPath()
-  p.rect(500, 500, 1000, 1000)
-
-  timeIt "spread_2":
-    mask.fill(0)
-    mask.fillPath(p)
-    mask.spread(10)
-
-block spread_3:
-  timeIt "spread_3":
-    mask.fill(255)
-    mask.spread(10)
-
-block spread_4:
-  timeIt "spread_4":
-    mask.fill(0)
-    mask.unsafe[1000, 1000] = 255
-    mask.spread(10)
+  block spread_4:
+    timeIt "spread_4":
+      mask.fill(0)
+      mask.unsafe[200, 200] = 255
+      mask.spread(5)