* switch to the new memory coalese
* move that stuff
* copy in allowed length logic
* mulitple buffers
* new coalese is better
* fine
* earlier
* fixes
* work
* work
* valid
* stack on index const
* add tests
* simple UOp kernel is n^2
* fast kernel matching c++, opts_to_apply=()
* remove cpp
* simple o(n) kernel, two passes
* fuse the loops
* works on DEV=CPU
* multi regression test
* fix multi, this can possibly be its own bugfix
* test cleanups
* minimal diff
* match C in UOps
* Revert "match C in UOps"
This reverts commit 0bef740c30.
* edit test
* match speed with C try 2
* needs_second_gpu
* cleanup