tqchen edited a comment on issue #17097: [RFC][mxnet 2.0][item 10.1] MXNet Imperative Op Invocation Overhead URL: https://github.com/apache/incubator-mxnet/issues/17097#issuecomment-568234198 The following fast-path can be addressed in the TVM FFI: - ```tuple```, ```list``` via translation in python/cython side (see benchmark above) - ```str``` is already fast (seem benchmark above) - ```Context``` can be quite fast if the object is a tvm object, around same mangitude as passing NDArray - ```np.dtype``` can get around by by str conversion, or introduce a type structure, TVM FFI support DLDataType natively - None: natively supported by FFI The following items needs to be discussed - py_slice, Ellipsis Can be supported by adding pyobject support, however that introduces dispatching into the FFI layer(making the function not accessible to other language frontends). Would be interesting to discuss alternatives
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