Added dynamo-torchao test suite under the full CI lane

.github/scripts/install-torch-tensorrt.sh

@@ -43,6 +43,8 @@ PY
 python -m pip uninstall -y torch torchvision
 python -m pip install --force-reinstall --pre ${TORCHVISION} --index-url ${INDEX_URL} --extra-index-url https://pypi.org/simple
 python -m pip install --force-reinstall --pre ${TORCH} --index-url ${INDEX_URL} --extra-index-url https://pypi.org/simple
+# dynamo-torchao full/nightly suite
+python -m pip install torchao
 
 # If CUDA 13 (cu13), prepend venv's NVIDIA CUDA 13 libs to LD_LIBRARY_PATH
 if [[ "${CU_VERSION}" == cu13* ]]; then

tests/ci/suites.py

@@ -237,9 +237,17 @@ def for_variant(self, variant: Variant) -> dict[str, Any]:
         tier="l2",
         lanes=("full", "nightly"),
         paths=("models/",),
-        markers="not critical",
+        # TorchAO compile tests live in dynamo-torchao.
+        markers="not critical and not torchao",
         jobs=_MODEL,
     ),
+    Suite(
+        "dynamo-torchao",
+        tier="l2",
+        lanes=("full", "nightly"),
+        paths=("models/test_torchao*.py",),
+        jobs=_HEAVY,
+    ),
     Suite(
         "dynamo-llm",
         tier="l2",

tests/py/dynamo/models/conftest.py

@@ -22,3 +22,19 @@ def pytest_addoption(parser):
 def ir(request):
     ir_opt = request.config.getoption("--ir")
     return ir_opt[0] if ir_opt else "dynamo"
+
+
+def pytest_configure(config):
+    config.addinivalue_line(
+        "markers",
+        "torchao: TorchAO quantization compile tests; collected by the dynamo-torchao full-lane suite",
+    )
+
+
+def pytest_collection_modifyitems(config, items):
+    """Mark TorchAO model tests so the dynamo-torchao suite can own them."""
+    marker = pytest.mark.torchao
+    for item in items:
+        path = str(getattr(item, "path", item.fspath))
+        if "test_torchao" in path:
+            item.add_marker(marker)