tqchen commented on a change in pull request #4482: [Relay] External codegen URL: https://github.com/apache/incubator-tvm/pull/4482#discussion_r357492913
########## File path: src/relay/backend/contrib/contrib_codegen.h ########## @@ -0,0 +1,284 @@ +/* + * 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. + */ + +/*! + * \file src/relay/backend/contrib/contrib_codegen.h + * \brief The base class for external codegen tools. + */ +#ifndef TVM_RELAY_BACKEND_CONTRIB_CONTRIB_CODEGEN_H_ +#define TVM_RELAY_BACKEND_CONTRIB_CONTRIB_CODEGEN_H_ + +#include <tvm/relay/expr.h> +#include <sstream> +#include <string> +#include <utility> +#include <vector> + +namespace tvm { +namespace relay { +namespace contrib { + +class ExternCodegenBase { + public: + ExternCodegenBase() = default; + + /*! + * \brief Create a runtime module for the external library. For example, it + * could be a CSourceModule that can be directly compiled and linked together + * with a DSOModule, or a json style module that emitts a json artifact that + * is able to be executed by a customized json runtime. + * + * \param ref The subgraph Relay expression/module to be executed using extern ops. + * + * \return A runtime module. + */ + virtual runtime::Module CreateExternModule(const NodeRef& ref) = 0; + + /*! + * \brief Split the Relay function name to tokens. + * + * \param func The provided function. + * \param prefix The prefix of the function name, i.e. dnnl. Review comment: move to relay/backend/contrib/codegen_c/ ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services
