* add argmax argmin

* remove coder saver

* [TOPI] Add left_shift, right_shift, clip, cast

* [TOPI] Add test

* [TOPI] Fix

* Move target to tvm; rename convolution as conv2d

* Fix

* Fix

* add squeeze

* should be squeeze

* [TOPI]add reshape

* fix problems

* fix lint

* try to add concatenate

* fix lint and error

* fix doc

* fix error

* try to add split

* fix lint

* fix error

* fix lint

* migrate global_avg_pool, fully_connected

* fix pylint

* enable fusion of pooling schedule

* rename fc->dense, enable fusion

* improve dense schedule

* unified global pool

* [TEST] rfactor+ewise, cite rfactor paper

* include all authors via abbrv

* [TOPI] Add transpose

* fix lint

* add binary broadacst

* fix testing

* revise testing threshold

* rename the nchw and pass the unit test; going to do it for nhwc depthwise

* bug with fusion

* nchw works fine; nhwc float32 problem remains

* still cannot bind them together

* fusion works

* syntax fix

* all bugs fixed; test cases pass

* minor fix on nn.h

* back wrt input

* backward wrt input nhwc; only test case in recipe

* test case for depthwise back wrt input

* test case for depthwise backward wrt weight

* tags

* minor fixes

* pylint test; add arch=3.7

* modify scheduler

* better backward depthwise w.r.t weight scheduler

* updated scheduler

* test_topi_depthwise_conv2d_back_input.py and test_topi_depthwise_conv2d_back_weight.py success

* all test cases wrt input pass

* update

* new test cases and scheduler

* not working 1 and 2

* good wrt weight, bad wrt input

* test cases added

* remove tf lines

* minor fix

* compute arch changed

* remove compile hook

* minor change

* pylint

* fix the float for python case

* fix cases for python3 case

* except for memoize

* fix most; memoize still wrong

* memoize added

* unexpected layout cases added for scheduler

* error message layout other than NHWC added

* improve padding

* fix as pr requests

* remove dilate in backward wrt weight

* relu activation migrated to topi

* reviews addressed

* relu compute deleted

* conv2d_nchw updated

* resnet18 hand tuned schedule added

* pylint error fixed

* one more workload test for conv2d_nchw

* conv2d schedule subfunctions added for different patterns

* reviews addressed

* [TEST] Add memoize to save test data

* Update comment

* mark py version

* CPU Schedule for raspberry pi

* Update

* Update

* Add topi.target

* Refactor

* Update

* Make python3 happy

* Improve

* Improve

* Improve

* Use get_const_int

* convolution compute typo fixed

* relu activation migrated to topi

* reviews addressed

* elemwise schedule added

* relu compute deleted

* softmax migrated and test added

* pylint error fixed

* pylint error fixed

* rename the nchw and pass the unit test; going to do it for nhwc depthwise

* bug with fusion

* nchw works fine; nhwc float32 problem remains

* still cannot bind them together

* fusion works

* syntax fix

* all bugs fixed; test cases pass

* minor fix on nn.h

[TOPI] Add broadcast and reduce operators

* add dilation operators

* fix pylint

* dilate testcases success

* n-D tensor dilation

* support arbitrary dimension

* __init__ updated

* pull request updated

* build_module added

* typo fixed

* another typo fixed

* conv2d gpu scheduler for two layouts moved to tvm

* changes made according to CR

* conv2d_nchw formating updated, conv2d_hwcn tests updated

* lint error fixed

* element wise operator schedule fusing fixed for conv2d

* conv2d_nchw topi test added, all resnet workloads now pass

* conv compute lint error fixed

* fixed python 3 compatibility problem

* conv2d tensor input support added, test typo fixed, ir_pass.Simplify changed to util.get_const_int

* [TOPI] Move topi.nn.util to topi.util

* update the path

* [TOPI] Example for convolution

* update conv ex

* fix submodule HalideIR

* update conv impl

* python3

* minor fix

* fix pylint error

* Add test code

* x

* fix

* fix

* move python helper function into topi.testing

* fix pylint

* [REFACTOR] collections->container, RPC returns func, time_evaluator returns struct

* fix executor

* test of depthwise_conv2d

* fix nose test error

* python3 fix