yelite commented on code in PR #14106: URL: https://github.com/apache/tvm/pull/14106#discussion_r1116535903
########## python/tvm/relax/backend/pattern_registry.py: ########## @@ -0,0 +1,70 @@ +# 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. + +"""Pattern registry for BYOC backends""" + +from typing import List, Mapping, Optional, Tuple, Union + +import tvm +from tvm.relax.dpl import DFPattern +from tvm.runtime import Object + +from . import _ffi_api + + +@tvm._ffi.register_object("relax.backend.PatternRegistryEntry") +class PatternRegistryEntry(Object): + name: str + pattern: DFPattern + arg_patterns: Mapping[str, DFPattern] Review Comment: It can be used in the backend codegen to identify input arg expressions in a robust way. The codegen can do something like ```python match_result = extract_matched_expr(...) attrs.update({f"{arg_name}_idx": find_arg_index(match_result[arg_pattern] for arg_name, arg_pattern in entry.arg_patterns.items()}) ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
