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 via pybind, 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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