* Add shapeof op in topi

* Add relay shape_of op

* Add constant folding for shape_of

* Allow shape op to specify dtype

* Add mxnet converter for shape_array

* lint

* lint

* Add doc

* tile and repeat operator added in rely

* fix pylint

* fix make warnings

* comments addressed

* fix lint error

* comment addressed

* add stack op frontend

* concate moved

* topi stack added

* stack added

* fix stack bugs and tested

* conv2d alterlayout udpated for relay

* fix pylint

* fix cmake warnings

* cmake warnings fixed

* Add batch_dot and cpu schedule

* Add relay support for batch_dot

* Rename batch_dot to batch_matmul

* nits

* Add missing file

* Put batch_matmul and dense x86 schedule in separate files

* Fix pylint

* Remove unused import

* Add cuda schedule for batch_matmul

* Add test case with larger batch size

* Add batch_matmul in api doc

* Fix quantize pass rounding error

* Fix pylint and minor change

* bug fix

* move layout.h & layout.cc from relay to tvm

* change ConvertLayout in relay to bijectiveLayout->Forward/backward

* add first test case

* add LayoutAxis

* add LayoutAxis struct and compiles

* simplify BijectiveLayout rule consturct

* polish func name for Layout, move impl to .cc, remove Layout::defined(), add defined() checker

* partially add layout py support

* add layout test cases

* add doc for tvm.layout & tvm.bijective_layout

* fix lint

* fix lint

* fix layout name generation bug

* fix layout typo

* address comments and add topi.layout_transform

* layout.h->data_layout.h, test_lang_layout.py->test_lang_data_layout.py

* Add arange op

* Update docs

* Fix bug

* add sanity check in relay and mxnet frontend mapping

* lint

* nits

* pylint

* don't allow empty output from arange

* Remove empty test for arange

* Fix bug and update doc

* Add GEMM autotvm template for x86

* Fix tophub link

* Disable RPC server logging file delete

* Update dense autotvm template

* Fix tests

* Fix lint

* tweak

* Register two templates with different tags

* Add mean and product operators

* Fix typo

* Fix lint

* fix test

* Fix gpu schedule

* Update doc

* remove mean from topi

* Add nnvm test

* Fix cuda schedule

* Remove cuda schedule

* [NNVM][TEST] Numerical gradient testing

* [NNVM][TEST] Make some tests a little faster

* Fix the failing test_top_level3

* Target exclusion for the check_function

* Try to ignore singularities

* grad_input_vars now can't contain shapes

* Don't pass unnecessary grad_input_vars to check_function

* Multiple outputs; fixes; testing of check_function

* Use numerical_grads_params to pass parameters to numgrad checker

* Fail when no action is requested excplicitly

* Pass additional params to functions

* Silence the linter issue

* Simplified numgrad checking

* Improved docs for check_function

* Fixed the error message when no dtype is provided

* Several fixes

* Tests with shape/dtype inference for inputs

* Don't check dense's grads on cuda

* Raise an error if output dtypes haven't been inferred

* Moved shape/dtype inference into a separate function; use float32 as fallback

* Remove redundant dtype=float32

* Fix multiple outputs

* Use check_function in the rest of the test_top_level1

* [VERSION] Update to 0.5.dev

* Update the docs to include all intrins

Expose tvm.ndarray.empty which has already been implemented, just not yet documented.

* [TVM] Introduce target generic dispatch system

* fix target warning

* [RUNTIME] Minimum graph runtime

* update docs

* [TEST] rfactor+ewise, cite rfactor paper

* include all authors via abbrv

* [TOPI] Add transpose

* fix lint