* start work
* right a wrong
* mimimal reduce example
* save
* get tests to pass
* fix stupid bug
* tests passing
* out of bounds error fixed, all tests passing
* revert changes to other files
* clean
* getting better, will drink a glass of wine and finish over the weekend
* clean
1. python create model not match swift model in ane build folder.
2. fix ane lib path and add a dummy backward function for use_ane.py
can run in examples folder.