* jit: graphing as rewrite rule
* f
* +metal,cuda
* x
* cl
* x
* x
* simpler
* f
* m
* x
* revert?
* revert2
* back
* back
* t
* x
* m
* x
* c
* x
* l
* x
* comment
* smaller
* rv
* x
* x
* metal uint32 icb offset overflow
fix: diff
supports_exec_item
GraphRunner.supports_exec_item
tests
fix: can't import on non-metal
stricter
* also test the non-metal buffer case
* imports on non-mac