masahi commented on a change in pull request #9108: URL: https://github.com/apache/tvm/pull/9108#discussion_r727606269
########## File path: src/runtime/pipeline/pipeline_struct.h ########## @@ -0,0 +1,185 @@ +/* + * 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. + */ +#ifndef TVM_RUNTIME_PIPELINE_PIPELINE_STRUCT_H_ +#define TVM_RUNTIME_PIPELINE_PIPELINE_STRUCT_H_ +#include <assert.h> +#include <dlpack/dlpack.h> +#include <dmlc/json.h> + +#include <limits> +#include <string> +#include <unordered_map> +#include <vector> +/*! + * \brief All binding information of a output interface. + */ +struct OutputBindings { + /*!\brief Output interface binding information, 'int' is the index of the module that + * uses this output data as the input interface data, 'string' is the input interface name + * of the module. + */ + std::unordered_map<int, std::string> bindings; + /*! The index value of the global interface to which the current output are bound.*/ + int global_output_index = std::numeric_limits<int>::min(); + /*!\brief Whether this binding is bound to the PipelineExecutor output interface.*/ + bool IsGlobalOutput() const { return global_output_index >= 0; } + /*! + * \brief Create a module interface map from JSONReader. + * \param reader JSON reader. + */ + void Load(dmlc::JSONReader* reader) { + reader->BeginArray(); + while (reader->NextArrayItem()) { + std::string key; + reader->BeginObject(); + std::string input_name; + int mod_idx = std::numeric_limits<int>::min(); + // Whether the output binding is global. + bool global_binding = false; + while (reader->NextObjectItem(&key)) { + if (key == "mod_idx") { + reader->Read(&mod_idx); + } else if (key == "input_name") { + reader->Read(&input_name); + } else if (key == "global_output_index") { + // There should be only one global binding. + ICHECK(global_output_index < 0); + reader->Read(&global_output_index); + // When the key value is 'global_output_index', it means that this output is bound to + // a global interface. + global_binding = true; + } else { + LOG(FATAL) << "do not support key " << key; + } + } + // When this output is bound to a global interface, check if the global interface index + // is correct. + if (global_binding) { + ICHECK(global_output_index >= 0); + } else { + // When this output is bound to a graph executor module interface, check if the module + // index is correct. + ICHECK(mod_idx >= 0); + bindings[mod_idx] = input_name; + } + } + } +}; + +/*! + * \brief The binding information of all outputs of a module. + */ +struct OutputMap { + /*! \brief Output binding map, 'int' is output interface index.*/ + std::unordered_map<int, OutputBindings> output_binding_map; + OutputMap& operator=(const OutputMap& output) { + output_binding_map = output.output_binding_map; + return *this; + } + + /*!\brief This function is used to verify whether OutputMap is successfully loaded. + * \return Return true to indicate that this class has not been successfully loaded. + */ + bool Empty() { return output_binding_map.empty(); } + /*! \brief The pipeline outputs is the final outputs of pipeline, this function is used to + * get how many pipeline outputs are in this Outputmap + * \return Number of pipeline outputs. + */ + size_t GetGlobalOutputNum(void) const { + size_t num_output = 0; + for (auto bindings : output_binding_map) { + num_output += bindings.second.IsGlobalOutput() ? 1 : 0; + } + return num_output; + } + + /*! + * \brief Create a output binding map from JSONReader. + * \param reader Json reader. + */ + void Load(dmlc::JSONReader* reader) { + reader->BeginArray(); + while (reader->NextArrayItem()) { + std::string key; + reader->BeginObject(); + int output_idx = -1; + OutputBindings binding; + while (reader->NextObjectItem(&key)) { + if (key == "output_idx") { + reader->Read(&output_idx); + } else if (key == "dependent") { Review comment: `dependent` -> `dependencies` -- 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]
