77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
/* Copyright 2022 The TensorFlow Authors. All Rights Reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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==============================================================================*/
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#ifndef TENSORFLOW_COMPILER_JIT_DEVICE_COMPILER_CLIENT_H_
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#define TENSORFLOW_COMPILER_JIT_DEVICE_COMPILER_CLIENT_H_
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#include <optional>
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#include <string>
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#include <variant>
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#include "tensorflow/compiler/tf2xla/xla_compiler.h"
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#include "xla/client/executable_build_options.h"
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namespace tensorflow {
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template <typename ExecutableType, typename ClientType>
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class DeviceCompilerClient {
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public:
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DeviceCompilerClient() = default;
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virtual ~DeviceCompilerClient() = default;
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// Compiles `result` (HLO) to an `ExecutableType` using `ClientType` and
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// returns it.
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virtual StatusOr<std::unique_ptr<ExecutableType>> BuildExecutable(
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const XlaCompiler::Options& options,
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const XlaCompiler::CompilationResult& result) = 0;
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// Serializes an available `executable` to string using `ClientType` and
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// returns it.
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virtual absl::StatusOr<std::string> SerializeExecutable(
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const ExecutableType& executable) = 0;
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// Compiles `result` (HLO) to a serializable executable (eg.
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// xla::AotCompilationResult) using `ClientType`, serializes it to string and
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// returns it.
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virtual absl::StatusOr<std::string> BuildSerializedExecutable(
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const XlaCompiler::Options& options,
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const XlaCompiler::CompilationResult& result) = 0;
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// Loads `serialized_executable` into an `ExecutableType` using `ClientType`.
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virtual StatusOr<std::unique_ptr<ExecutableType>> LoadExecutable(
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const XlaCompiler::Options& options,
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const XlaCompiler::CompilationResult& result,
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const std::string& serialized_executable) = 0;
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// Waits for the underlying `ClientType` backend's programs to finish
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// executing before returning.
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virtual void WaitForProgramsToFinish() = 0;
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virtual ClientType* client() const = 0;
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private:
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DeviceCompilerClient(const DeviceCompilerClient&) = delete;
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void operator=(const DeviceCompilerClient&) = delete;
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};
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// Generates the ExecutableBuildOptions for compilation from HLO to
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// executable.
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xla::ExecutableBuildOptions GetExecutableBuildOptions(
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const XlaCompiler::Options& options,
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const XlaCompiler::CompilationResult& result, int default_device_ordinal);
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} // namespace tensorflow
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#endif // TENSORFLOW_COMPILER_JIT_DEVICE_COMPILER_CLIENT_H_
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