[cadece][g3][facto] enable facto generation on G3 operators

.gitmodules

@@ -64,3 +64,6 @@
 [submodule "third-party/ao"]
 	path = third-party/ao
 	url = https://github.com/pytorch/ao.git
+[submodule "backends/cadence/utils/FACTO"]
+	path = backends/cadence/utils/FACTO
+	url = https://github.com/pytorch-labs/FACTO.git

backends/cadence/install_requirements.sh

@@ -12,10 +12,11 @@ EXECUTORCH_ROOT_PATH=$(realpath "$SCRIPT_DIR_PATH/../../")
 CADENCE_DIR_PATH="$EXECUTORCH_ROOT_PATH/backends/cadence"
 HIFI_DIR_PATH="$CADENCE_DIR_PATH/hifi/third-party/nnlib/nnlib-hifi4"
 FUSION_DIR_PATH="$CADENCE_DIR_PATH/fusion_g3/third-party/nnlib/nnlib-FusionG3"
+FACTO_DIR_PATH="$CADENCE_DIR_PATH/utils/FACTO"
 
 cd "$EXECUTORCH_ROOT_PATH"
 
-## HiFi 
+## HiFi
 
 rm -rf "$HIFI_DIR_PATH"
 mkdir -p "$HIFI_DIR_PATH"
@@ -47,3 +48,7 @@ if [ $STATUS -ne 0 ]; then
 fi
 
 git checkout 11230f47b587b074ba0881deb28beb85db566ac2
+
+
+## FACTO
+pip install -e $FACTO_DIR_PATH

backends/cadence/utils/TARGETS

@@ -0,0 +1,5 @@
+load("targets.bzl", "define_common_targets")
+
+oncall("odai_jarvis")
+
+define_common_targets()

backends/cadence/utils/targets.bzl

@@ -0,0 +1,20 @@
+# Copyright (c) Meta Platforms, Inc. and affiliates.
+# All rights reserved.
+#
+# This source code is licensed under the BSD-style license found in the
+# LICENSE file in the root directory of this source tree.
+load("@fbcode_macros//build_defs:python_library.bzl", "python_library")
+
+
+def define_common_targets():
+    python_library(
+        name = "facto_util",
+        srcs = [
+            "facto_util.py",
+        ],
+        typing = True,
+        deps = [
+            "fbcode//caffe2:torch",
+            "fbcode//pytorch/facto:facto",
+        ],
+    )

examples/cadence/operators/targets.bzl

@@ -18,19 +18,6 @@ def define_common_targets():
     for op in TESTS_LIST:
         _define_test_target(op)
 
-    python_library(
-        name = "facto_util",
-        srcs = [
-            "facto_util.py",
-        ],
-        typing = True,
-        deps = [
-            "fbcode//caffe2:torch",
-            "fbcode//pytorch/facto:facto",
-        ],
-    )
-
-
 def _define_test_target(test_name):
     file_name = "test_{}".format(test_name)
     python_unittest(
@@ -46,6 +33,6 @@ def _define_test_target(test_name):
             "fbcode//executorch/backends/cadence/aot:ops_registrations",
             "fbcode//executorch/backends/cadence/aot:export_example",
             "fbcode//executorch/backends/cadence/aot:compiler",
-            "fbcode//executorch/examples/cadence/operators:facto_util",
+            "fbcode//executorch/backends/cadence/utils:facto_util",
         ],
     )

examples/cadence/operators/test_g3_ops.py

@@ -1,7 +1,7 @@
 import unittest
 from typing import Any, cast, List, OrderedDict, Tuple
 
-from executorch.examples.cadence.operators import facto_util
+from executorch.backends.cadence.utils import facto_util
 
 from parameterized import parameterized