Add config toggle suggestions for data-dependent/dynamic output shape…

… (#114337)

Summary:
Fixes pytorch/pytorch#114220

Signed-off-by: Edward Z. Yang <ezyang@meta.com>

X-link: pytorch/pytorch#114337
Approved by: https://github.com/aakhundov

Reviewed By: osalpekar

Differential Revision: D52584008

Pulled By: ezyang

fbshipit-source-id: f6a34d934a74ba41728e4a254843470340c13f02

userbenchmark/dynamo/dynamobench/_dynamo/utils.py

@@ -1555,11 +1555,17 @@ def get_fake_value(node, tx, allow_non_graph_fake=False):
         if isinstance(
             cause, torch._subclasses.fake_tensor.DataDependentOutputException
         ):
-            unimplemented(f"data dependent operator: {cause.func}")
+            unimplemented(
+                f"data dependent operator: {cause.func}; "
+                "to enable, set torch._dynamo.config.capture_scalar_outputs = True"
+            )
         elif isinstance(
             cause, torch._subclasses.fake_tensor.DynamicOutputShapeException
         ):
-            unimplemented(f"dynamic shape operator: {cause.func}")
+            unimplemented(
+                f"dynamic shape operator: {cause.func}; "
+                "to enable, set torch._dynamo.config.capture_dynamic_output_shape_ops = True"
+            )
         elif isinstance(
             cause, torch._subclasses.fake_tensor.UnsupportedOperatorException
         ):