diff --git a/runtime_stats.py b/runtime_stats.py
new file mode 100644
index 0000000..e56bd7f
--- /dev/null
+++ b/runtime_stats.py
@@ -0,0 +1,26 @@
+from pathlib import Path
+
+import numpy as np
+from scipy.constants import hour
+
+from extradata import ExtraData
+from utils import filename_from_argv, mode_from_fn
+
+files = Path("data/").glob("final*.bin")
+times = []
+for file in files:
+    fn = filename_from_argv(str(file))
+    mode = mode_from_fn(fn)
+    if mode == "lz":
+        continue
+    if mode != "lz_correct":
+        continue
+    print(fn)
+    ed = ExtraData.load(fn)
+    if str(fn) == "data/final_lz_correct_15":
+        print(ed.meta.cputime / hour)
+    times.append(ed.meta.cputime)
+
+times = np.asarray(times)
+print(times.mean() / hour)
+print(times.std() / hour)