* fix flaky test

* fix flaky quantize pass

* add support to event counters in VTA

* fix comment

* fix event-counter interface parameter

* no longer needed

* add sim back

* add docs to event counters

* fix docs

* add more details about event counting

* make dpi-module docs more accurate

* Support export ADT value in Python

* Cache original functions

* Cleanup

* Cleanup

* Support taking a tuple as an argument

* Add test

* add initial support to cycle counter to accelerator

* remove prints from c

* add event counter support to chisel tsim example

* make it more readable

* use a config class

* update driver

* add individual Makefile to chisel

* add rule for installing vta package

* add makefile for verilog backend

* update drivers

* update

* rename

* update README

* put default sim back

* set counter to zero

* Add ability to load Prelude from disk

* Port over id

* Define compose

* Linting errors and style changes

* Eliminate unnecessary parens

* Rename identType to typeIdent (makes more sense)

* Another unnecessary paren

* Bump the version number for the text format

* Ensure .rly (Relay text files) are permitted

* Correct release number and simplify grammar rule

* Correct load_prelude docstring

* Corrections to _parser

* Add Apache headers to prelude source file

* Remove test_prelude (redundant)

* Correct misleading error message

* Add check that parser is enabled in Prelude

* Commit pre-generated parser, ensure generated files are treated as binaries, and have parser tests always fire

* Permit parser files and git attributes files

* Exclude gitattributes and parser files from apache check

* Another attempt at appeasing Apache audit checker

* Corrections to rat-excludes

* Apache should be truly appeased now

* Ignore Relay parser files by name

* Mark parser files as generated so they don't show up on Github

* Add parsing helper function for tests

* Mark parser files as not detectable

* [Relay][heterogeneous] Fix TupleGetItem

* retrigger ci

* retrigger ci

* Support x86 dilation conv2d and improve multi-batch conv2d

* Fix lint

The exist code of a posix compilant shell is 0..255.  Attempting to
return -1 will error in some shells and implicitly cast to 255 in
others.  Fix it by returning a legal return value.