020d0f0a49
2. Also branch the benchmark/logging.h to the upper level directory. Note we still keep those in benchmark directory for backward compatibility but by reusing the new definitions here. These utility classes are helpful to and going to be used in other tflite-related tools. PiperOrigin-RevId: 305834516 Change-Id: Id809398b060698b641cad0c8ac5fe9ca22b9ab40
88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/* Copyright 2020 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_LITE_TOOLS_LOGGING_H_
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#define TENSORFLOW_LITE_TOOLS_LOGGING_H_
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// LOG and CHECK macros for tflite tooling.
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#include <cstdlib>
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#include <iostream>
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#include <sstream>
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#ifdef _WIN32
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#undef ERROR
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#endif
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namespace tflite {
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namespace logging {
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// A wrapper that logs to stderr.
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//
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// Used for TFLITE_LOG and TFLITE_BENCHMARK_CHECK macros.
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class LoggingWrapper {
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public:
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enum class LogSeverity : int {
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INFO = 0,
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WARN = 1,
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ERROR = 2,
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FATAL = 3,
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};
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LoggingWrapper(LogSeverity severity)
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: severity_(severity), should_log_(true) {}
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LoggingWrapper(LogSeverity severity, bool log)
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: severity_(severity), should_log_(log) {}
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std::stringstream& Stream() { return stream_; }
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~LoggingWrapper() {
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if (should_log_) {
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switch (severity_) {
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case LogSeverity::INFO:
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case LogSeverity::WARN:
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std::cout << stream_.str() << std::endl;
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break;
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case LogSeverity::ERROR:
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std::cerr << stream_.str() << std::endl;
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break;
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case LogSeverity::FATAL:
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std::cerr << stream_.str() << std::endl;
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std::flush(std::cerr);
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std::abort();
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break;
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}
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}
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}
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private:
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std::stringstream stream_;
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LogSeverity severity_;
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bool should_log_;
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};
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} // namespace logging
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} // namespace tflite
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#define TFLITE_LOG(severity) \
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tflite::logging::LoggingWrapper( \
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tflite::logging::LoggingWrapper::LogSeverity::severity) \
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.Stream()
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#define TFLITE_TOOLS_CHECK(condition) \
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tflite::logging::LoggingWrapper( \
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tflite::logging::LoggingWrapper::LogSeverity::FATAL, \
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(condition) ? false : true) \
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.Stream()
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#define TFLITE_TOOLS_CHECK_EQ(a, b) TFLITE_TOOLS_CHECK((a) == (b))
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#endif // TENSORFLOW_LITE_TOOLS_LOGGING_H_
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