MLECO-2492 Add CPP OD example with TFLITE-ArmnnDelegate
Signed-off-by: Dvir Markovich <dvir.markovich@arm.com>
Change-Id: If412c15ba49abe8370a570260b0a8ed8de305b7c
diff --git a/samples/common/include/Utils/Profiling.hpp b/samples/common/include/Utils/Profiling.hpp
new file mode 100644
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+++ b/samples/common/include/Utils/Profiling.hpp
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+//
+// Copyright © 2022 Arm Ltd and Contributors. All rights reserved.
+// SPDX-License-Identifier: MIT
+//
+
+#pragma once
+#include <chrono>
+#include <iostream>
+#include <string>
+
+using namespace std::chrono;
+
+namespace common
+{
+/**
+* @brief Used for meausuring performance of specific actions in the code.
+ * Profiling should be enabled with a parameter passed to the constructor and
+ * it's disabled by default.
+ * In order to measure timing, wrap the desired code section with
+ * ProfilingStart() and ProfilingStopAndPrintUs(title)
+*/
+class Profiling {
+private:
+
+ struct group_thousands : std::numpunct<char>
+ {
+ std::string do_grouping() const override { return "\3"; }
+ };
+
+ bool mProfilingEnabled{};
+ steady_clock::time_point mStart{};
+ steady_clock::time_point mStop{};
+public:
+ Profiling() : mProfilingEnabled(false) {};
+
+ /**
+ * @brief Initializes the profiling object.
+ *
+ * * @param[in] isEnabled - Enables the profiling computation and prints.
+ */
+ explicit Profiling(bool isEnabled) : mProfilingEnabled(isEnabled) {};
+
+/**
+* @brief Starts the profiling measurement.
+*
+*/
+
+ void ProfilingStart()
+ {
+ if (mProfilingEnabled)
+ {
+ mStart = steady_clock::now();
+ }
+ }
+
+/**
+* @brief Stops the profiling measurement, without printing the results.
+*
+*/
+ auto ProfilingStop()
+ {
+ if (mProfilingEnabled)
+ {
+ mStop = steady_clock::now();
+ }
+ }
+
+/**
+* @brief Get the measurement result in micro-seconds.
+*
+*/
+ auto ProfilingGetUs()
+ {
+ return mProfilingEnabled ? duration_cast<microseconds>(mStop - mStart).count() : 0;
+ }
+
+/**
+* @brief Stop the profiling measurement and print the result in micro-seconds.
+*
+*/
+ void ProfilingStopAndPrintUs(const std::string &title)
+ {
+ ProfilingStop();
+ if (mProfilingEnabled) {
+ std::cout.imbue(std::locale(std::cout.getloc(), new group_thousands));
+ std::cout << "Profiling: " << title << ": " << ProfilingGetUs() << " uSeconds" << std::endl;
+ }
+ }
+};
+}// namespace common
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