Function benchStdFunctionCallbackLoop

test/SignalsTest/src/SignalsBenchmark.cpp:129–147

the time of a std::function callback

// the time of a std::function callback
static void benchStdFunctionCallbackLoop()
{
	void *someData = nullptr;
	std::function<void( uint64_t )> counterIncrement = [someData]( uint64_t incr ) { TestCounter::add2( someData, 1 ); };

	const uint64_t startCounter = TestCounter::get();
	const uint64_t benchStart = timestampBenchmark();

	uint64_t i;
	for( i = 0; i < 1000000; i++ )
		counterIncrement( 1 );

	const uint64_t benchDone = timestampBenchmark();
	const uint64_t endCounter = TestCounter::get();
	assert( endCounter - startCounter == i );

	cout << "OK" << endl;
	cout << "\tper round: " << double( benchDone - benchStart ) / double( i ) << "ns" << endl;
}

int main()
{