* Implement the virtual machine

Co-Authored-By: wweic <ipondering.weic@gmail.com>

* Fix rebase build issues

* Reorganize vm.py and fix allocator bug

* Remove compiler

* Remove tests

* Remove backend/vm/vm.cc too

* Fix docs

* Fix doc

* Fix doc

* Add vm docs

* Remove change to dead_code.cc

* Remove Relay logging

* Remove reduce

* Update include/tvm/runtime/vm.h

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Reformat

* Update include/tvm/runtime/vm.h

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Address feedback

* Update include/tvm/runtime/vm.h

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Apply suggestions from code review

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Fix a couple outstanding comments

* Last couple comments

* Update include/tvm/runtime/vm.h

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Address code review feedback

* Fix final comment

* Address comments

* Error reporting and example

* add Const

* Explicitly delete copy assignment operator

* Fix rebase

* Pass 3rd arg to fusion

* Add topi adaptive_pool

* Use adaptive_pool to compute global_pool

* Add relay adaptive pool2d

* Fix lint

* Fix typo

* Minor change

* Change support level to 10

* Add contrib

* Remove global pool schedule

* Add contrib module

* Fix lint

* Update doc

* Update doc

* merge files

* move verilator to the right place

* change name to tsim

* add default rule to be build and run

* add README for tsim

* Update README.md

* add some structural feedback

* change name of VTASim to VTADPISim

* more renaming

* update comment

* add license

* fix indentation

* add switch for vta-tsim

* add more licenses

* update readme

* address some of the new feedback

* add some feedback from cpplint

* add one more whitespace

* pass pointer so linter is happy

* pass pointer so linter is happy

* README moved to vta documentation

* create types for dpi functions, so they can be handle easily

* fix pointer style

* add feedback from docs

* parametrize width data and pointers

* fix comments

* fix comment

* add comment to class

* add missing parameters

* move README back to tsim example

* add feedback

* add more comments and remove un-necessary argument in finish

* update comments

* fix cpplint

* fix doc

* [Relay] C++ Build module

* asdf

* deconv tests

* deconv bug fixed for certain cases tests added

* Handle vectorize for LE statement

Fix a new cases introduced by commit 7afbca56

* Add test

* Fix rocm dense autotvm template

* suppres lint warning

* [Relay][Frontend] add log op in tf frontend

* address comment

* [TOPI] fix mali conv

* fix typo

* address comments

* Developer documentation for InferBound pass.

* Add support for custom NDArray memory management

Credit to @icemelon9 and @wweic

* Fix copy-paste issue

* Fix naive allocator.h

* Remove buffer field

* Apply Wei's suggestions.

Co-Authored-By: jroesch <roeschinc@gmail.com>

* Fix Wei's suggestion

* Fix go rts

* Break MM dependency

* Add docs and clean up diff

* Add more docs

* Move to VM folder

* Fix lint

* Remove Go dep.

* Rename to Empty

* Address Haichen's comments

* print op names in graph runtime debug

* fix lint

* Fix PRelu layout in Relay

* Fix cpplint

* Add PRelu test case

* Correct spelling of 'inavlid'

* [DOC] correct spelling of 'schdule'.

* [DOC] clean up use of abbreviation "interop"

* [DOC] capitalize API abbreviation consistently

* [DOC] correct spelling of 'peformed'.

* [DOC] correct spelling of 'intermidiate'

* Remove trailing white space.

* Correct spelling of 'parametrization'.

* [DOC] minor improvements to Range documentation.

* Add FULLY_CONNECTED op into tflite frontend, support Inception V4

* Fix comment style in TF Lite tests.

* [relay][bugfix] fuse injective to elemwise and broadcast

* enhance fusion for prarllel injectiveOD

* check if tensor in schedule

* fix codegen

* fix lint

* update

* lint

URLs to the authors repo for these tutorials had an extra
`https://`, this patch removes that.

* ssd gluoncv gpu op updated

* ssd gluoncv gpu op updated

* tutorials and testes modified

* tutorials and testes modified

* fix lint

* fix lint

* address comment

* multibox bug fixed

* space line added

* use less threads per block

* use less threads per block

* less threads per block for get valid count

* less threads per block for get valid count

* merge with master

* Revert "less threads per block for get valid count"

This reverts commit 08896cfccc34b0b2a1646d01d01ea4cad73941c4.

* Revert "less threads per block for get valid count"

This reverts commit 08896cfccc34b0b2a1646d01d01ea4cad73941c4.

* typo fixed

* elem length made to a variable

* fix lint error

* fix lint error

* lint fixed

* bug fixed

* bug fixed

* lint fixed

* error fixed

* error fixed

* test ci

* test ci

* seperate argsort to be an independent op

* seperate argsort to be an independent op

* fix lint

* fix lint

* remove unsupported models

* typo fixed

* argsort added to realy

* solve conflicts with master

* fix lint

* fix lint

* test push

* Revert "test push"

This reverts commit 6db00883fab6cc06bddf564c926bb27c874397d8.

* fix lint error

* fix more lint

* cpu test_sort udpated

* debug ci

* nms fixed

* expose argsort to relay frontend

* test ci

* fix lint

* sort register error fixed

* fix nnvm

* nms type fixed

* adaptive pooling added to relay

* Revert "adaptive pooling added to relay"

This reverts commit 1119f1f2c055753e0cc5611627597749134c5c8c.

* fix lint

* expose argsort op

* fix lint

* fix lint

* fix lint

* sort test updated

* sort bug fixed

* nnvm error fixed

* fix argsort default data type returned to be float insteaf of int

* fix lint

* fix lint

* test fixed

* fix valid count

* fix titanx bug

* tutorial add both targets

* titanx error fixed

* try to fix CI old gpu error

* try to solve CI GPU error

* get_valid_count added

* reverse get_valid_count

* get valid count optimized

* address comments

* fix ci error

* remove unessesary block sync

* add back one sync

* address comments

* address more comments

* more comments

* move sort to be indepent algorithm

* typo fixed

* more typos

* comments addressed

* doc updated

* fix pylint

* address final comments

* apache license added