| /* |
| * 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. |
| */ |
| /*! |
| * \brief Example code that can be compiled and loaded by TVM runtime. |
| * \file plugin_module.cc |
| */ |
| #include <tvm/runtime/module.h> |
| #include <tvm/runtime/ndarray.h> |
| #include <tvm/runtime/packed_func.h> |
| #include <tvm/runtime/registry.h> |
| |
| namespace tvm_dso_plugin { |
| |
| using namespace tvm::runtime; |
| |
| class MyModuleNode : public ModuleNode { |
| public: |
| explicit MyModuleNode(int value) : value_(value) {} |
| |
| virtual const char* type_key() const final { return "MyModule"; } |
| |
| virtual PackedFunc GetFunction(const std::string& name, |
| const ObjectPtr<Object>& sptr_to_self) final { |
| if (name == "add") { |
| return TypedPackedFunc<int(int)>([sptr_to_self, this](int value) { return value_ + value; }); |
| } else if (name == "mul") { |
| return TypedPackedFunc<int(int)>([sptr_to_self, this](int value) { return value_ * value; }); |
| } else { |
| LOG(FATAL) << "unknown function " << name; |
| return PackedFunc(); |
| } |
| } |
| |
| private: |
| int value_; |
| }; |
| |
| void CreateMyModule_(TVMArgs args, TVMRetValue* rv) { |
| int value = args[0]; |
| *rv = Module(make_object<MyModuleNode>(value)); |
| } |
| |
| int SubOne_(int x) { return x - 1; } |
| |
| // USE TVM_DLL_EXPORT_TYPED_PACKED_FUNC to export a |
| // typed function as packed function. |
| TVM_DLL_EXPORT_TYPED_FUNC(SubOne, SubOne_); |
| |
| // TVM_DLL_EXPORT_TYPED_PACKED_FUNC also works for lambda. |
| TVM_DLL_EXPORT_TYPED_FUNC(AddOne, [](int x) -> int { return x + 1; }); |
| |
| // Use TVM_EXPORT_PACKED_FUNC to export a function with |
| TVM_DLL_EXPORT_PACKED_FUNC(CreateMyModule, tvm_dso_plugin::CreateMyModule_); |
| } // namespace tvm_dso_plugin |