add Scheduler to replace Kernel with POSTOPT=2 (#11924)

* ** simple kernel to replace Kernel for postopt

* support old

* fix beam

* beaming

* beam on old

* bring tensor cores back

* raise

* postbeam

* test ops passes on mac

* skip that

* postopt default

* gate that

* fix tensor cores

* a few test fixes

* dsp fix

* tc fix

* loop

* support swap

* test_gemv

* fix beam for variable

* test opts from high level stuff

* range annoying

* compile slow

* metal slow

* better beam

* no POSTBEAM

* fix nolocals

* hc opt mostly works

* put that back

* lil

* some work

* fix that

* POSTOPT 2

* fix tests

* no postopt 2

* work

* back

* padded tensors cores

* shift_to

* postopt 0 passes?

* write PADTO

* fix padded tensor cores

* compare hcopt

* 18000 lines

* should pass tests

* fix rangeify

* put types back

.github/workflows/test.yml

@@ -382,8 +382,8 @@ jobs:
         PYTHONPATH=. python extra/optimization/extract_dataset.py
         gzip -c /tmp/sops > extra/datasets/sops.gz
         DEBUG=1 MIN_ASTS=1 PYTHONPATH=. python extra/optimization/get_action_space.py
-    - name: Repo line count < 17500 lines
-      run: MAX_LINE_COUNT=17500 python sz.py
+    - name: Repo line count < 18000 lines
+      run: MAX_LINE_COUNT=18000 python sz.py
 
   fuzzing:
     name: Fuzzing