* [CUDA] Op strategy changes for Int8 schedules.
* Applying Haichen's suggestions.
* Make 4D output work for task extraction.
* Make x86 work.
* Fix lint.
* Lint fixes.
* Tests, comments, out channel a multiple of 4.
* Topi test.
Co-authored-by: Ubuntu <ubuntu@ip-172-31-38-96.us-west-2.compute.internal>
