diff --git a/dev/profile_cache.py b/dev/profile_cache.py
new file mode 100644
index 00000000..462b6443
--- /dev/null
+++ b/dev/profile_cache.py
@@ -0,0 +1,33 @@
+"""Profile performance of get_agasc_cone with and without cache"""
+import time
+from pathlib import Path
+
+import numpy as np
+
+from agasc import get_agasc_cone, get_agasc_filename
+
+agasc_healpix = get_agasc_filename("proseco_agasc_*", version="1p8", allow_rc=True)
+agasc_dec = get_agasc_filename("proseco_agasc_*", version="1p7")
+
+ras = np.random.uniform(0, 360, 100)
+decs = np.random.uniform(-90, 90, 100)
+
+
+def print_timing(filename, cache):
+    t0 = time.time()
+    for ra, dec in zip(ras, decs):
+        get_agasc_cone(
+            ra,
+            dec,
+            radius=1.5,
+            agasc_file=filename,
+            date="2019:001",
+            cache=cache,
+        )
+    print(f"filename={Path(filename).name} {cache=} {time.time() - t0:.2f}")
+
+
+print_timing(agasc_dec, cache=False)
+print_timing(agasc_dec, cache=True)
+print_timing(agasc_healpix, cache=False)
+print_timing(agasc_healpix, cache=True)