add method name to cuda error msg (pytorch#15133)

Gasoonjia · web-flow · commit 4c4f235d77f0 · 2025-10-15T09:55:55.000-07:00
as title
diff --git a/backends/cuda/cuda_backend.py b/backends/cuda/cuda_backend.py
@@ -166,7 +166,7 @@ def preprocess(
             if len(missing_fallback_kernels) > 0:
                 formatted_kernels = "\n  - ".join(sorted(missing_fallback_kernels))
                 raise RuntimeError(
-                    f"Missing fallback kernels ({len(missing_fallback_kernels)} total):\n  - {formatted_kernels}\n"
+                    f"Method {CudaBackend.method_name_from_compile_specs(compile_specs)} missing fallback kernels ({len(missing_fallback_kernels)} total):\n  - {formatted_kernels}\n"
                     "Please add them to the AOTI backend."
                 )
 

Original file line number	Diff line number	Diff line change
`@@ -166,7 +166,7 @@ def preprocess(`
`166`	`166`	`if len(missing_fallback_kernels) > 0:`
`167`	`167`	`formatted_kernels = "\n - ".join(sorted(missing_fallback_kernels))`
`168`	`168`	`raise RuntimeError(`
`169`		`- f"Missing fallback kernels ({len(missing_fallback_kernels)} total):\n - {formatted_kernels}\n"`
	`169`	`+ f"Method {CudaBackend.method_name_from_compile_specs(compile_specs)} missing fallback kernels ({len(missing_fallback_kernels)} total):\n - {formatted_kernels}\n"`
`170`	`170`	`"Please add them to the AOTI backend."`
`171`	`171`	`)`
`172`	`172`