add qwen3

vllm-v0.6.2/tests/compile/test_wrapper.py

@@ -0,0 +1,59 @@
+from typing import Optional
+
+import torch
+
+from vllm.compilation.wrapper import TorchCompileWrapperWithCustomDispatcher
+
+
+class MyMod(torch.nn.Module):
+
+    def forward(self, x: torch.Tensor, cache: Optional[torch.Tensor] = None):
+        if cache is not None:
+            return x + cache
+        return x * 2
+
+
+class MyWrapper(TorchCompileWrapperWithCustomDispatcher):
+
+    def __init__(self, model):
+        self.model = model
+        compiled_callable = torch.compile(self.forward, backend="eager")
+        super().__init__(compiled_callable)
+
+    def forward(self, x: torch.Tensor, cache: Optional[torch.Tensor] = None):
+        # this is the function to be compiled
+        return self.model(x, cache)
+
+    def __call__(self, x: torch.Tensor, cache: Optional[torch.Tensor] = None):
+        # let torch.compile compile twice
+        if len(self.compiled_codes) == 2:
+            dispatch_id = 0 if cache is None else 1
+            with self.dispatch_to_code(dispatch_id):
+                return self.forward(x, cache)
+        else:
+            return self.compiled_callable(x, cache)
+
+
+def test_torch_compile_wrapper():
+    mod = MyMod()
+    wrappers = []
+    for i in range(3):
+        torch._dynamo.reset()
+        wrapper = MyWrapper(mod)
+        wrappers.append(wrapper)
+        x = torch.tensor([1])
+        wrapper(x, None)  # profile run, compile
+        # create a cache tensor
+        cache = torch.tensor([2])
+        wrapper(x, cache)  # warm up with cache, recompile
+
+        # for new input, dispatch to the compiled code directly
+        new_x = torch.tensor([3])
+        assert wrapper(new_x,
+                       None).item() == 6  # dispatch to the first compiled code
+        assert wrapper(
+            new_x, cache).item() == 5  # dispatch to the second compiled code
+
+    for wrapper in wrappers:
+        # make sure they have independent compiled codes
+        assert len(wrapper.compiled_codes) == 2