[Unity][MSC][M2.4] Add quantizer for quantize model (#16228)

* add quantizer

* add quantizer test

python/tvm/contrib/msc/core/runtime/runner.py

@@ -414,6 +414,14 @@ def apply_tool(self, tool_type: str, data_loader: Any = None) -> str:
                     self.run(inputs, ret_type="native")
                     break
             plan = pruner.finalize()
+        elif tool_type == ToolType.QUANTIZER:
+            quantizer = self.get_tool(ToolType.QUANTIZER)
+            while not quantizer.calibrated:
+                assert data_loader, "data_loader should be given to plan prune"
+                for inputs in data_loader():
+                    self.run(inputs, ret_type="native")
+                quantizer.calibrate()
+            plan = quantizer.finalize()
         else:
             plan = self.get_tool(tool_type).finalize()
         assert plan, "Failed to create plan for {}".format(tool_type)

python/tvm/contrib/msc/core/tools/__init__.py

@@ -19,4 +19,5 @@
 from .tool import *
 from .execute import *
 from .prune import *
+from .quantize import *
 from .track import *

python/tvm/contrib/msc/core/tools/quantize/__init__.py

@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+"""tvm.contrib.msc.core.tools.quantize"""
+
+from .quantizer import *
+from .method import *