wehub-resource-sync
95 lines
2.4 KiB
C++
95 lines
2.4 KiB
C++
// Copyright (c) 2021 CINN Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#ifdef CINN_WITH_CUDA
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#if defined(__linux__)
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#include <sys/stat.h>
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#endif
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#include <glog/logging.h>
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#include <string>
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#include <vector>
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namespace cinn {
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namespace backends {
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namespace nvrtc {
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/**
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* An helper class to call NVRTC. Input CUDA device source code, get PTX string.
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*/
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class Compiler {
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public:
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Compiler();
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/**
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* Compile the \p code and get PTX string.
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* @param code The CUDA source code.
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* @param include_headers Whether to include the headers of CUDA and CINN
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* runtime modules.
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* @return Compiled PTX code string.
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*/
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std::string operator()(const std::string& code, bool include_headers = true);
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/** Compile into cubin or not
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* @return Compile into cubin or not.
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*/
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bool compile_to_cubin();
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private:
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/**
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* Get the directories of CUDA's header files.
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* @return list of header file directories.
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*/
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std::vector<std::string> FindCUDAIncludePaths();
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/**
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* Get the directories of CINN runtime's header files.
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* @return list of header file directories.
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*/
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std::vector<std::string> FindCINNRuntimeIncludePaths();
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/**
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* Compile CUDA source code and get PTX or CUBIN.
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* @param code source code string.
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* @return PTX or CUBIN string.
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*/
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std::string CompileCudaSource(const std::string& code, bool include_headers);
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/**
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* whether to compile the source code into cubin, only works with cuda version
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* > 11.1
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*/
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bool compile_to_cubin_{false};
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// compile with nvcc
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std::string CompileWithNvcc(const std::string&);
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// compile to ptx
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void CompileToPtx();
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// compile to cubin
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void CompileToCubin();
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std::string GetDeviceArch();
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std::string ReadFile(const std::string&, std::ios_base::openmode);
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std::string prefix_name_{""};
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};
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} // namespace nvrtc
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} // namespace backends
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} // namespace cinn
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#endif // CINN_WITH_CUDA
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