init

compilation/counter.py

@@ -0,0 +1,38 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+import copy
+import dataclasses
+from contextlib import contextmanager
+
+
+@dataclasses.dataclass
+class CompilationCounter:
+    num_models_seen: int = 0
+    num_graphs_seen: int = 0
+    # including the splitting ops
+    num_piecewise_graphs_seen: int = 0
+    # not including the splitting ops
+    num_piecewise_capturable_graphs_seen: int = 0
+    num_backend_compilations: int = 0
+    num_cudagraph_captured: int = 0
+    # InductorAdapter.compile calls
+    num_inductor_compiles: int = 0
+    # EagerAdapter.compile calls
+    num_eager_compiles: int = 0
+
+    def clone(self) -> "CompilationCounter":
+        return copy.deepcopy(self)
+
+    @contextmanager
+    def expect(self, **kwargs):
+        old = self.clone()
+        yield
+        for k, v in kwargs.items():
+            assert getattr(self, k) - getattr(old, k) == v, (
+                f"{k} not as expected, before it is {getattr(old, k)}"
+                f", after it is {getattr(self, k)}, "
+                f"expected diff is {v}")
+
+
+compilation_counter = CompilationCounter()