sxjscience edited a comment on issue #17097: [mxnet 2.0][item 10.1] MXNet Imperative Op Invocation Overhead URL: https://github.com/apache/incubator-mxnet/issues/17097#issuecomment-568042927 @tqchen For the "fast path" structures that we need to support, I'm considering the following: - py_slice, Ellipsis for basic indexing. - Also, in some scenarios, numpy scalar will be involved: ```python import mxnet.numpy as mnp import numpy as np a = mnp.array(np.array(1)) b = a + np.array(1) ``` Also, there are two scenarios when list will be involved: - For concatenate, the arguments may be wrapped in a python list. - In the case of split and hsplit, the return value can be a list.
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