* explicit import testing

* Enable init api for extension modules

* Better error message handling for contrib

* fix lint

* fix testcase

* fix test

* Add test case: Create a static WebGL library and run it in the browser.

* Add documentation for loadModuleFromFile

* Modify emscripten.createjs

* Fixed a g++ explicit constructor compatibility error for unordered_set.

* Change std::unordered_set<std::basic_string<char>>() to
std::unordered_set<std::string>().

* Update DMLC core most recent version

* Modify runtime to minimize io when building for SGX

* Add SGX example app

* Prefer streaming versions of packed_func function

* MXNet NDArray bridge.
Support convert a tvm Function as MXNet's async NDArray function.

* fix lint

* update comment

This reverts commit 12d15704d7f5d30cff7540f1fd16be64c6baca68.

* [RUNTIME] Refactor extension type handling, now it is header only

[PASS] Support buffer reuse for different types

* [RUNTIME] More reliable runtime only detection

* fix lint

* update c++ pool and softmax

* clean up reduce axis

* Add basic dense scheduler

* Revert to put back cpp dense registration

* Fix lint

Emscripten seems to not have done initialization properly.

Need to break after executing intended operation (not before).

* add winograd for mali

* fix lint

* add padding

* fix comment

* [Documentation Changes] Parameter description change for reduction api

The parameter description is updated for max, min, argmax and argmin

* Lint changes on patch-3 of reduction.py

* Make python BuildConfig serializable/deserializable to/from string

* Make C++ BuildConfig serializable/deserializable to/from string

* Revert "Make python BuildConfig serializable/deserializable to/from string"

This reverts commit a5e1fb3ff63a161cc0d63475d2a32816cc4c3666.

* Revert "Make C++ BuildConfig serializable/deserializable to/from string"

This reverts commit ec0c2c54543050fe6f264d06eebff33dee70370b.

* Converted BuildConfig to use TVM node system

* Fix lint

* Fix lint

* Added code to set node attributes through the C API

* Fixed bug in build_config()

* Fix lint

* Fix lint

* Fix test errors

* Reduced scope of node __setattr__ to apply only to BuildConfig

* Fix lint

* Fix lint

* Changed python BuildConfig to be immutable, with values set once on construction.

* Fix lint

* Fix C++ test

* Fixed BuildConfig setting python-side args

* Fix lint

* Removed dependency on reflection.cc to construct BuildConfig (allow use in runtime library)

* Fix lint

* Revert "Fix lint"

This reverts commit 16ed6d7a1ca5e551b035bad46e8361ea487cd45b.

* Revert "Removed dependency on reflection.cc to construct BuildConfig (allow use in runtime library)"

This reverts commit 43817c97a2ee045791e0c031d962fa97636ce8f6.

* Avoid accessing BuildConfig when using runtime lib

* Fix missing import

* Fix error running under cython (root cause: node handle is not valid until after __init__ has returned, so cannot call __dir__ during __init__

* Fix error where BuildConfig._node_defaults was not copied in build_config()

* Fix lint

* Fix lint

* Fix lint

* Fix lint

* Add comments to python BuildConfig

* add 4 dim softmax

* update for NHWC layout

* remove layout param from softmax

* fix typo

* minor fix to pool

support axis=1 ndims=5 softmax.

add softmax axis

* few fix for softmax

* fix typo

* add more doc

* minor doc fix

* fix upsampling output shape

* fix lint

* cleanup softmax

* minor fix

* raise exception instead of assert, handles negative axis

* check axis after axis transformation

* [PASS] Prepare storage rewrite for unified buffer

* more comments

* conv2d schedules for Intel CPU (AVX2 & AVX512)

* fix lint

* remove override register