diff --git a/test/test_uop_graph.py b/test/test_uop_graph.py
index 3b9a2979..4e28c853 100644
--- a/test/test_uop_graph.py
+++ b/test/test_uop_graph.py
@@ -19,6 +19,14 @@ simple_pm = PatternMatcher([
 def to_uops_list(u:List[UOp]) -> List[UOp]: return linearize_uop(full_graph_rewrite(UOp.sink(*u)))
 
 class TestGraphRewriteEfficiency(unittest.TestCase):
+  def test_create_many_uops(self):
+    c1 = UOp.const(dtypes.int, 1)
+    c2 = UOp.const(dtypes.int, 2)
+    st = time.perf_counter()
+    uops = [UOp(UOps.ALU, dtypes.int, (c1, c2), BinaryOps.ADD) for _ in range(10000)]
+    et = time.perf_counter() - st
+    print(f"created {len(uops)} uops in {et*1000:.2f} ms")
+
   def test_expand_rewrite(self):
     sink = UOp(UOps.SINK, None, arg=KernelInfo(local_dims=2, upcasted=4, dont_use_locals=False), src=(
       UOp(UOps.STORE, None, arg=None, src=(