OSX GPUOcelot (#8209)

* add patches

* add osx test in ci

* macos specific uvm, gpfifo mask

* only do that for now

* Revert "add patches"

This reverts commit 80d3112a57.

* use fork for now

* workflow only one worker

* merge osxtests with tests

* Revert "merge osxtests with tests"

This reverts commit 3461c8f46c.

* macos pagesize 16384

---------

Co-authored-by: nimlgen <[email protected]>
Co-authored-by: George Hotz <[email protected]>

.github/workflows/test.yml

@@ -513,6 +513,7 @@ jobs:
         deps: testing
         python-version: '3.11'
         amd: 'true'
+        cuda: 'true'
     - name: Run real world test
       run: JIT=2 METAL=1 python -m pytest -n=auto test/models/test_real_world.py --durations=20
     - name: Test models (Metal)
@@ -540,6 +541,14 @@ jobs:
         FORWARD_ONLY: 1
       run: |
         python3 -m pytest -n=auto test/test_hcq.py test/test_tiny.py --durations=20
+    - name: Run pytest (ptx)
+      env:
+        MOCKGPU: 1
+        PTX: 1
+        NV: 1
+        FORWARD_ONLY: 1
+      run: |
+        python3 -m pytest -n=auto test/test_hcq.py test/test_tiny.py --durations=20
     - name: Run process replay tests
       uses: ./.github/actions/process-replay