tqchen commented on code in PR #671:
URL: https://github.com/apache/tvm-ffi/pull/671#discussion_r3591822406


##########
python/tvm_ffi/cython/device.pxi:
##########
@@ -115,13 +115,8 @@ cdef class Device:
     }
 
     _DEVICE_NAME_TO_TYPE = {
-        "llvm": DLDeviceType.kDLCPU,
         "cpu": DLDeviceType.kDLCPU,
-        "c": DLDeviceType.kDLCPU,
-        "test": DLDeviceType.kDLCPU,
         "cuda": DLDeviceType.kDLCUDA,
-        "nvptx": DLDeviceType.kDLCUDA,
-        "cl": DLDeviceType.kDLOpenCL,
         "opencl": DLDeviceType.kDLOpenCL,
         "vulkan": DLDeviceType.kDLVulkan,
         "metal": DLDeviceType.kDLMetal,

Review Comment:
   Good catch on the mismatch. This change intentionally makes device parsing 
canonical-only, so adding aliases to Python would reintroduce the compatibility 
surface being removed. I updated the C++ parser in 68cc76b to accept only 
`metal` and `webgpu`, and moved the existing `mps`/`wgpu` expectations to the 
rejection cases. Direct Python construction and typed FFI conversion now follow 
the same canonical-name policy.



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