tqchen commented on a change in pull request #5601:
URL: https://github.com/apache/incubator-tvm/pull/5601#discussion_r428729913



##########
File path: include/tvm/runtime/c_runtime_api.h
##########
@@ -114,6 +114,7 @@ typedef enum {
   kTVMNNVMLast = 20U,
   // The following section of code is used for non-reserved types.
   kTVMExtReserveEnd = 64U,
+  kTVMBFloat = 65U,

Review comment:
       I don't think you will `kTVMBFloat` to support this feature. The 
kDLBFloat flag in the runtime::DataType should be sufficient for NDArray 
contents(because the type code in the NDArray contents diverges from the TVM 
type code above the OpaqueHandle).

##########
File path: include/tvm/runtime/c_runtime_api.h
##########
@@ -114,6 +114,7 @@ typedef enum {
   kTVMNNVMLast = 20U,
   // The following section of code is used for non-reserved types.
   kTVMExtReserveEnd = 64U,
+  kTVMBFloat = 65U,

Review comment:
       I don't think you will `kTVMBFloat` to support this feature. The 
kDLBFloat flag in the runtime::DataType should be sufficient for NDArray 
contents(because the runtime::DataType's type code in the NDArray contents 
diverges from the TVM type code above the OpaqueHandle).

##########
File path: include/tvm/runtime/c_runtime_api.h
##########
@@ -114,6 +114,7 @@ typedef enum {
   kTVMNNVMLast = 20U,
   // The following section of code is used for non-reserved types.
   kTVMExtReserveEnd = 64U,
+  kTVMBFloat = 65U,

Review comment:
       I don't think you will `kTVMBFloat` to support this feature. The 
DataType::kDLBFloat flag in the runtime::DataType should be sufficient for 
NDArray contents(because the runtime::DataType's type code in the NDArray 
contents diverges from the TVM type code above the OpaqueHandle).




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