* start work on schedule cache
* local unique
* schedule cache works
* schedule cache cleanup
* fix tests
* preserve metadata
* oops, fix cache
* put that there
* fix spec
* always miss
* why is that broken?
* src[0].op
* fix process replay
* delete abstractions2
* reenable the actual schedule cache
* metadata is best effort
* fix JIT in examples/gradaccum_mnist.py
* full jit
* fixed and test is real
* Revert "Revert "merge to fold_divmod_general [p] (#13359)""
This reverts commit 05ccc69248.
* Revert "Revert "actually merge to fold_divmod_general [pr] (#13363)""
This reverts commit 90e5752199.
* Revert "Revert "add cache to fold_divmod_general (#13365)""
This reverts commit 8e17bd6791.
* bring back fold_divmod_general with bugfix and test
* merge index_dtype_3
* new lowering with Invalid idx
* remove that dtype from range
* finish merge
* annotate better
* indentation
* dont need that anymore
* always process replay for openpilot
* more uop_given_valid for idx
* valid past index_child
* fix bug preventing load getting an alt value
* add track_match_stats back in in shapetracker and remove cache
* get_valid_idx -> get_valid and get_idx
* fix heuristics with new idx
* split line
* fix typo
* fix signature
* dont skip idx if stride is 0
the idx may still be invalid
* lower const with new valid
* delete to_indexed_uops
* update shapetracker test
* delete axis_is_masked
* add cache back
* move around comment
* fix get_valid bug
* move invalid fold to symbolic so its earlier
* cleanup
* update applying padto to new idx
* add unit tests
* cleanup
* fold line
* improve spec
* dont try to render Invalid as a float
* more consistent invalid index
* update some tests
* Fold index with true cond
* skip test
* vconst min max if Invalid in arg
* fix signature of UOp.const
* add test for min/max of Invalid CONST/VCONST
* add InvalidType to as_const signature
* is Invalid to isinstance
* Add InvalidType to ConstLike
* index gate is a where gate
* make that a metaclass
* fix heurisics for new idx
* mypy happy
