* 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

This reverts commit 12d15704d7f5d30cff7540f1fd16be64c6baca68.

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

* 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

[TOPI][GL] OpenGL topi.

* [BACKEND] Vulkan Runtime and SPIRV Codegen

* fix doc

* Ported injective schedules to C++. Added some elementwise ops.

* Fix lint errors

* Added reduction ops and schedules

* Fix lint errors

* Fix lint errors

* Fix lint errors

* Added transform ops

* Fix lint errors

* Fix lint errors

* Added softmax, log_softmax, leaky_relu and flatten ops.
Fixed issue where TVM_DECLARE_INTRIN_UNARY used the PureExtern flag
instead of PureIntrinsic.
Added softmax CUDA schedule.

* Fix lint

* Fix lint

* Added binary_dense, batch_norm_inference, dense, dilate, scale_shift_*,
global_pool and pool ops.
Extended pad to allow specifying pad_value.
Fixed issue where pad would throw if padding was zero in all dimensions.

* Fix lint

* Fix lint

* Added CUDA schedules for dense, pool and global_pool

* Added extern schedules for generic and CUDA

* Fix lint

* Added x86 binary schedules

* Fix lint

* Added rocm dense schedule. Added rocBLAS and cuBLAS support to dense ops

* Added pow ops. Added x86 default and injective schedules

* Fix lint

* Fix lint

* Fix lint

* Fix lint

* Fix lint

* Fix indent

* Removed schedules directory

* Changed left_shift, right_shift to operators. Changed pad_value in pad() to remove pointer usage

* Fixed usage of pad in nn/pooling.h. Fixed declaration of operator>>

* Fixed comments for shift operators

* Added comments to utility functions

* Added TOPI C++ library, exporting broadcast_add op

* Fix lint

* Share libinfo.py with TVM

* Fix lint

* Add other broadcast ops

* Fix lint

* Fix imports in topi

* Fix lib names

* Fixed build issue where windows builds don't apply correct definitions

* Removed TVM_EXPORTS from topi library

* Attempted CI build fix

* Add topi lib to tvm_multilib

* Fix Jenkinsfile

* Added TOPI build target to Makefile

* Fix nn op namespaces.

* Fix lint

* Renamed TOPI lib to libtvm_topi

* Removed _ffi/base.py

* Remove _ffi from topi, now shared with tvm.

* Make libtvm_topi loading optional

* Fix compiler warnings

* Fix lint

* Fix lint

* Fix lint

* Fix build error by making new libs argument to Target optional

* Added C++ Target type interop. Added registration of remaining C++ ops and schedules. Added test of broadcast ops

* Fix lint

* Fix lint

* Fix compile error

* Fix compiler warnings

* Fix compiler warnings

* Fixed int vector interop. Fixed argmin incorrectly invoking argmax. Fixed corner case in default schedules of attempting to fuse 0 length axes. Added tests for reduce ops.

* Refactored reduce builders

* Fixed typos in topi.cc. Added basic test.

* Fixed padding size error. Added dense, dilate, pooling tests

* Fixed issue where clip would output a different dtype to the input. Added split_sections op to cover the other mode of the python split op. Added tests.

* Changed extension type numbers to avoid clash with NNVM

* Fix lint

* Fix compiler warnings

* Removed use of std::vector from the public TOPI API

* Fix lint

* Add TOPI C++ tests to CI

* Fixed detail namespacing. Improved comments.

* when there is no intrin func, using body for initialization. For issue 714.

* Refine code per review comments, and add a test case.

* Fix lint issues.

* Re-organize the tensorize test cases, and add a new case for none-reset
mode.

* Fix a typo.

* Delete the unit case because merged it into test_schedule_tensorize.py already.

* always use new tensor in its stage when rewrite for cache read

* revert previous changes to sync up with master

* support using the ptr with an original offset

* update test case and fix CI error

Basic WebGL Backend

* Add Mali target support to tvm.target.create

* Add Mali target support in codegen

* [PASS] StorageRewrite Fold Inplace op storage when possible

* update comment to fix typos

* [SCHEDULE]enable partition const loop with build flag (#719)

    * enable partition loop with build flag

    * add a testcase, and modify LoopPartition related cases

*     * add document for split_const_loop

* Port build_module.py to C++

* Fix lint errors

* Fix more lint errors

* Fix more lint errors

* Fix more lint errors

* Fix build error

* Implemented style fixes

* Fix lint errors

* Added function to construct target from string
lower now returns array

* Fix lint error

* Implemented review changes - style & Target options -> std::vector

* Fixed lint, argument alignment and added unit test

* Changed test to target LLVM, fixed sign compare warnings

* Reverted unit test to CUDA, changed Jenkinsfile to enable GPU for C++ tests

* Slight change to Jenkinsfile

* Changed build_module test from CUDA to LLVM

* Added function var() to construct a Var instance.
Changed implementation of LLVMEnabled()

* Reverted Jenkinsfile

* Support rank-0 tensor

* fix lint

In unroll_loop.cc the parameter name is "auto_max_depth", but in ir_pass.h the parameter name is "auto_min_depth"

* [PASS/SETUP] Fix minior issues

* fix lint

* Support vector operations for AMD (llvm IR)

* fix whitespace

* update comments, docstring

* [RUNTIME] Enable ext_dev type for quick plugin of device

* [TEST] Update testcase to cover all computation

* [PASS] copy intrin

* update comment thanks to derisavi

* [ARITH] Improve detect linear equation

* fix doc

* [TEST] rfactor+ewise, cite rfactor paper

* include all authors via abbrv

* [TOPI] Add transpose

* fix lint

* [RPC] Include rpc session info into context

* add type checker in return converison

* [RUNTIME] Enable extension type to PackedFunc.

* More comments

* [SCHEDULE] Enahance cache_write to enable layout change.

* more tests