* small lazy cleanups
* a few more
* cleanups
* no more realizing in the scheduler test
* a few more minor things
* that was just wrong
* fix graph. the graph test was completely useless
* make graph usable
* fix op graph
* lazy cleanups
* ast functions take in LazyOps
* op instead of self.op
* _base for mops
* fix contiguous
* start schedule
* test_schedule
* fix openpilot
* more tests
* bugfix and test skip
* work
* make sure things get freed
* fix zerosized tensors
* fix failing test
* fix ceil and friends
* fix openpilot
* disable training
* disable test collectives
George Hotz
Yixiang Gao