zhiics commented on a change in pull request #6222: URL: https://github.com/apache/incubator-tvm/pull/6222#discussion_r468838305
########## File path: src/runtime/contrib/ethosn/ethosn_runtime.h ########## @@ -0,0 +1,111 @@ +/* + * 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 ethosn_runtime.h + * \brief Execution handling of Ethos-N command streams. + */ +#ifndef TVM_RUNTIME_CONTRIB_ETHOSN_ETHOSN_RUNTIME_H_ +#define TVM_RUNTIME_CONTRIB_ETHOSN_ETHOSN_RUNTIME_H_ + +#include <tvm/runtime/packed_func.h> + +#include <map> +#include <memory> +#include <string> +#include <unordered_map> +#include <vector> + +#include "ethosn_support_library/Support.hpp" + +namespace tvm { +namespace runtime { +namespace ethosn { + +namespace sl = ::ethosn::support_library; + +struct OrderedCompiledNetwork { + std::unique_ptr<sl::CompiledNetwork> cmm; + std::string name; + std::vector<uint32_t> inputs; + std::vector<uint32_t> outputs; +}; + +class EthosnModule : public ModuleNode { + public: + /*! + * \brief The Ethos-N runtime module. + * \param cmms A vector of compiled networks with input/output orders. + */ + explicit EthosnModule(std::vector<OrderedCompiledNetwork>* cmms); + + /*! + * \brief Get a PackedFunc from the Ethos-N module. + * \param name The name of the function. + * \param sptr_to_self The ObjectPtr that points to this module node. + * \return The function pointer when it is found, otherwise, PackedFunc(nullptr). + */ + PackedFunc GetFunction(const std::string& name, const ObjectPtr<Object>& sptr_to_self) final; + /*! + * \brief Save a compiled network to a binary stream, which can then be + * serialized to disk. + * \param stream The stream to save the binary. + * \note See EthosnModule::LoadFromBinary for the serialization format. + */ + void SaveToBinary(dmlc::Stream* stream) final; + /*! + * \brief Load a compiled network from stream. + * \param strm The binary stream to load. + * \return The created Ethos-N module. + * \note The serialization format is: + * + * size_t : number of functions + * [ + * std::string : name of function (symbol) + * std::string : serialized command stream + * size_t : number of inputs + * std::vector : order of inputs + * size_t : number of outputs + * std::vector : order of outputs + * ] * number of functions + */ + static Module LoadFromBinary(void* strm); + /*! + * \brief Save a module to a specified path. + * \param path Where to save the serialized module. + */ + void SaveToFile(const std::string& path, const std::string& format) override; + /*! + * \brief Create a module from a file. + * \param path The path of the file containing the serialized module. + * \return The created Ethos-N module. + */ + static Module LoadFromFile(const std::string& path); Review comment: Yeah, I think we can remove them. For debugging, you pretty much still use the SaveToBinary and LoadFromBinary ---------------------------------------------------------------- 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]
