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//
// Copyright © 2017 Arm Ltd. All rights reserved.
// SPDX-License-Identifier: MIT
//
#include <doctest/doctest.h>
#include "WallClockTimer.hpp"
#include <chrono>
#include <thread>
using namespace armnn;
TEST_SUITE("Instruments")
{
TEST_CASE("WallClockTimerInMicroseconds")
{
WallClockTimer wallClockTimer;
CHECK((std::string(wallClockTimer.GetName()) == std::string("WallClockTimer")));
// start the timer
wallClockTimer.Start();
// wait for 10 microseconds
std::this_thread::sleep_for(std::chrono::microseconds(10));
// stop the timer
wallClockTimer.Stop();
CHECK((wallClockTimer.GetMeasurements().front().m_Name == WallClockTimer::WALL_CLOCK_TIME));
// check that WallClockTimer measurement should be >= 10 microseconds
CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, std::chrono::microseconds(10).count());
}
TEST_CASE("WallClockTimerInNanoseconds")
{
WallClockTimer wallClockTimer;
CHECK((std::string(wallClockTimer.GetName()) == std::string("WallClockTimer")));
// start the timer
wallClockTimer.Start();
// wait for 500 nanoseconds - 0.5 microseconds
std::this_thread::sleep_for(std::chrono::nanoseconds(500));
// stop the timer
wallClockTimer.Stop();
CHECK((wallClockTimer.GetMeasurements().front().m_Name == WallClockTimer::WALL_CLOCK_TIME));
// delta is 0.5 microseconds
const auto delta =
std::chrono::duration_cast<std::chrono::duration<double, std::micro>>(std::chrono::nanoseconds(500));
// check that WallClockTimer measurement should be >= 0.5 microseconds
CHECK_GE(wallClockTimer.GetMeasurements().front().m_Value, delta.count());
}
}
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