szehetner · March 17, 2021 16:02
diff --git a/SBE CarExample Benchmark b/SBE CarExample Benchmark
 using System.Text;
 using Baseline;
 using BenchmarkDotNet.Attributes;
 using BenchmarkDotNet.Diagnosers;
 using Org.SbeTool.Sbe.Dll;

 namespace Org.SbeTool.Sbe.Benchmarks.Bench.Benchmarks
 {
    [HardwareCounters(HardwareCounter.BranchMispredictions, HardwareCounter.BranchInstructions)]
    [MemoryDiagnoser]
    public class CarBenchmark
    {
        private static readonly byte[] VehicleCode = Encoding.GetEncoding(Car.VehicleCodeCharacterEncoding).GetBytes("abcdef");
        private static readonly byte[] ManufacturerCode = Encoding.GetEncoding(Engine.ManufacturerCodeCharacterEncoding).GetBytes("123");
        private static readonly byte[] Manufacturer = Encoding.GetEncoding(Car.ManufacturerCharacterEncoding).GetBytes("Honda");
        private static readonly byte[] Model = Encoding.GetEncoding(Car.ModelCharacterEncoding).GetBytes("Civic VTi");
        private static readonly byte[] ActivationCode = Encoding.GetEncoding(Car.ActivationCodeCharacterEncoding).GetBytes("abcdef");
        private static readonly byte[] UrbanCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Urban Cycle");
        private static readonly byte[] CombinedCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Combined Cycle");
        private static readonly byte[] HighwayCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Highway Cycle");

        private readonly byte[] _eBuffer = new byte[1024];
        private readonly byte[] _dBuffer = new byte[1024];
        private DirectBuffer _encodeBuffer;
        private DirectBuffer _decodeBuffer;
        private readonly Car _car = new Car();
        private readonly MessageHeader _messageHeader = new MessageHeader();

        [GlobalSetup]
        public void Setup()
        {
            _encodeBuffer = new DirectBuffer(_eBuffer);
            _decodeBuffer = new DirectBuffer(_dBuffer);
            Encode(_car, _decodeBuffer, 0);
        }

        [Benchmark]
        public int Encode()
        {
            return Encode(_car, _encodeBuffer, 0);
        }
        
        [Benchmark]
        public void Decode()
        {
            Decode(_car, _decodeBuffer, 0);
        }

        public int Encode(Car car, DirectBuffer directBuffer, int bufferOffset)
        {
            _car.WrapForEncodeAndApplyHeader(directBuffer, 0, _messageHeader);

            const int srcOffset = 0;

            car.SerialNumber = 1234;
            car.ModelYear = 2013;
            car.Available = BooleanType.T;
            car.Code = Baseline.Model.A;
            car.SetVehicleCode(VehicleCode, srcOffset);

            for (int i = 0, size = Car.SomeNumbersLength; i < size; i++)
            {
                car.SetSomeNumbers(i, (uint)i);
            }

            car.Extras = OptionalExtras.CruiseControl | OptionalExtras.SportsPack;
            car.Engine.Capacity = 2000;
            car.Engine.NumCylinders = 4;
            car.Engine.SetManufacturerCode(ManufacturerCode, srcOffset);
            car.Engine.Efficiency = 35;
            car.Engine.BoosterEnabled = BooleanType.T;
            car.Engine.Booster.BoostType = BoostType.NITROUS;
            car.Engine.Booster.HorsePower = 200;

            var fuelFigures = car.FuelFiguresCount(3);
            fuelFigures.Next();
            fuelFigures.Speed = 30;
            fuelFigures.Mpg = 35.9f;
            fuelFigures.SetUsageDescription(UrbanCycle);

            fuelFigures.Next();
            fuelFigures.Speed = 55;
            fuelFigures.Mpg = 49.0f;
            fuelFigures.SetUsageDescription(CombinedCycle);

            fuelFigures.Next();
            fuelFigures.Speed = 75;
            fuelFigures.Mpg = 40.0f;
            fuelFigures.SetUsageDescription(HighwayCycle);


            Car.PerformanceFiguresGroup perfFigures = car.PerformanceFiguresCount(2);
            perfFigures.Next();
            perfFigures.OctaneRating = 95;

            Car.PerformanceFiguresGroup.AccelerationGroup acceleration = perfFigures.AccelerationCount(3).Next();
            acceleration.Mph = 30;
            acceleration.Seconds = 4.0f;

            acceleration.Next();
            acceleration.Mph = 60;
            acceleration.Seconds = 7.5f;

            acceleration.Next();
            acceleration.Mph = 100;
            acceleration.Seconds = 12.2f;

            perfFigures.Next();
            perfFigures.OctaneRating = 99;
            acceleration = perfFigures.AccelerationCount(3).Next();

            acceleration.Mph = 30;
            acceleration.Seconds = 3.8f;

            acceleration.Next();
            acceleration.Mph = 60;
            acceleration.Seconds = 7.1f;

            acceleration.Next();
            acceleration.Mph = 100;
            acceleration.Seconds = 11.8f;

            car.SetManufacturer(Manufacturer, srcOffset, Manufacturer.Length);
            car.SetModel(Model, srcOffset, Model.Length);
            car.SetActivationCode(ActivationCode, srcOffset, ActivationCode.Length);

            return car.Size;
        }

        private readonly byte[] _buffer = new byte[128];

        public void Decode(Car car, DirectBuffer directBuffer, int bufferOffset)
        {
            _messageHeader.Wrap(directBuffer, 0, 0);

            car.WrapForDecode(directBuffer, bufferOffset + MessageHeader.Size, _messageHeader.BlockLength, _messageHeader.Version);

            var templateId = Car.TemplateId;
            var schemaVersion = Car.SchemaVersion;
            var serialNumber = car.SerialNumber;
            var modelYear = car.ModelYear;
            var available = car.Available;
            var code = car.Code;

            for (int i = 0, size = Car.SomeNumbersLength; i < size; i++)
            {
                var number = car.GetSomeNumbers(i);
            }

            car.GetVehicleCode(_buffer, 0);

            OptionalExtras extras = car.Extras;
            var cruiseControl = (extras & OptionalExtras.CruiseControl) == OptionalExtras.CruiseControl;
            var sportsPack = (extras & OptionalExtras.SportsPack) == OptionalExtras.SportsPack;
            var sunRoof = (extras & OptionalExtras.SunRoof) == OptionalExtras.SunRoof;

            Engine engine = car.Engine;
            var capacity = engine.Capacity;
            var numCylinders = engine.NumCylinders;
            var maxRpm = engine.MaxRpm;
            for (int i = 0, size = Engine.ManufacturerCodeLength; i < size; i++)
            {
                engine.GetManufacturerCode(i);
            }

            int length = engine.GetFuel(_buffer, 0, _buffer.Length);

            var efficiency = engine.Efficiency;
            var boosterEnabled = engine.BoosterEnabled;
            var boostType = engine.Booster.BoostType;
            var horsePower = engine.Booster.HorsePower;

            var fuelFiguresGroup = car.FuelFigures;
            while (fuelFiguresGroup.HasNext)
            {
                var fuelFigures = fuelFiguresGroup.Next();
                var speed = fuelFigures.Speed;
                var mpg = fuelFigures.Mpg;
                fuelFigures.GetUsageDescription(_buffer, 0, _buffer.Length);
            }

            var performanceFiguresGroup = car.PerformanceFigures;
            while (performanceFiguresGroup.HasNext)
            {
                performanceFiguresGroup.Next();
                var octanceRating = performanceFiguresGroup.OctaneRating;

                var accelerationGroup = performanceFiguresGroup.Acceleration;
                for (int i = 0; i < accelerationGroup.Count; i++)
                {
                    var acceleration = accelerationGroup.Next();
                    var mpg = acceleration.Mph;
                    var seconds = acceleration.Seconds;
                }
            }

            length = car.GetManufacturer(_buffer, 0, _buffer.Length);
            length = car.GetModel(_buffer, 0, _buffer.Length);
            length = car.GetActivationCode(_buffer, 0, _buffer.Length);

            var totalSize = car.Size;
        }
    }
 }
	using System.Text;
	using Baseline;
	using BenchmarkDotNet.Attributes;
	using BenchmarkDotNet.Diagnosers;
	using Org.SbeTool.Sbe.Dll;

	namespace Org.SbeTool.Sbe.Benchmarks.Bench.Benchmarks
	{
	[HardwareCounters(HardwareCounter.BranchMispredictions, HardwareCounter.BranchInstructions)]
	[MemoryDiagnoser]
	public class CarBenchmark
	{
	private static readonly byte[] VehicleCode = Encoding.GetEncoding(Car.VehicleCodeCharacterEncoding).GetBytes("abcdef");
	private static readonly byte[] ManufacturerCode = Encoding.GetEncoding(Engine.ManufacturerCodeCharacterEncoding).GetBytes("123");
	private static readonly byte[] Manufacturer = Encoding.GetEncoding(Car.ManufacturerCharacterEncoding).GetBytes("Honda");
	private static readonly byte[] Model = Encoding.GetEncoding(Car.ModelCharacterEncoding).GetBytes("Civic VTi");
	private static readonly byte[] ActivationCode = Encoding.GetEncoding(Car.ActivationCodeCharacterEncoding).GetBytes("abcdef");
	private static readonly byte[] UrbanCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Urban Cycle");
	private static readonly byte[] CombinedCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Combined Cycle");
	private static readonly byte[] HighwayCycle = Encoding.GetEncoding(Car.FuelFiguresGroup.UsageDescriptionCharacterEncoding).GetBytes("Highway Cycle");

	private readonly byte[] _eBuffer = new byte[1024];
	private readonly byte[] _dBuffer = new byte[1024];
	private DirectBuffer _encodeBuffer;
	private DirectBuffer _decodeBuffer;
	private readonly Car _car = new Car();
	private readonly MessageHeader _messageHeader = new MessageHeader();

	[GlobalSetup]
	public void Setup()
	{
	_encodeBuffer = new DirectBuffer(_eBuffer);
	_decodeBuffer = new DirectBuffer(_dBuffer);
	Encode(_car, _decodeBuffer, 0);
	}

	[Benchmark]
	public int Encode()
	{
	return Encode(_car, _encodeBuffer, 0);
	}

	[Benchmark]
	public void Decode()
	{
	Decode(_car, _decodeBuffer, 0);
	}

	public int Encode(Car car, DirectBuffer directBuffer, int bufferOffset)
	{
	_car.WrapForEncodeAndApplyHeader(directBuffer, 0, _messageHeader);

	const int srcOffset = 0;

	car.SerialNumber = 1234;
	car.ModelYear = 2013;
	car.Available = BooleanType.T;
	car.Code = Baseline.Model.A;
	car.SetVehicleCode(VehicleCode, srcOffset);

	for (int i = 0, size = Car.SomeNumbersLength; i < size; i++)
	{
	car.SetSomeNumbers(i, (uint)i);
	}

	car.Extras = OptionalExtras.CruiseControl \| OptionalExtras.SportsPack;
	car.Engine.Capacity = 2000;
	car.Engine.NumCylinders = 4;
	car.Engine.SetManufacturerCode(ManufacturerCode, srcOffset);
	car.Engine.Efficiency = 35;
	car.Engine.BoosterEnabled = BooleanType.T;
	car.Engine.Booster.BoostType = BoostType.NITROUS;
	car.Engine.Booster.HorsePower = 200;

	var fuelFigures = car.FuelFiguresCount(3);
	fuelFigures.Next();
	fuelFigures.Speed = 30;
	fuelFigures.Mpg = 35.9f;
	fuelFigures.SetUsageDescription(UrbanCycle);

	fuelFigures.Next();
	fuelFigures.Speed = 55;
	fuelFigures.Mpg = 49.0f;
	fuelFigures.SetUsageDescription(CombinedCycle);

	fuelFigures.Next();
	fuelFigures.Speed = 75;
	fuelFigures.Mpg = 40.0f;
	fuelFigures.SetUsageDescription(HighwayCycle);


	Car.PerformanceFiguresGroup perfFigures = car.PerformanceFiguresCount(2);
	perfFigures.Next();
	perfFigures.OctaneRating = 95;

	Car.PerformanceFiguresGroup.AccelerationGroup acceleration = perfFigures.AccelerationCount(3).Next();
	acceleration.Mph = 30;
	acceleration.Seconds = 4.0f;

	acceleration.Next();
	acceleration.Mph = 60;
	acceleration.Seconds = 7.5f;

	acceleration.Next();
	acceleration.Mph = 100;
	acceleration.Seconds = 12.2f;

	perfFigures.Next();
	perfFigures.OctaneRating = 99;
	acceleration = perfFigures.AccelerationCount(3).Next();

	acceleration.Mph = 30;
	acceleration.Seconds = 3.8f;

	acceleration.Next();
	acceleration.Mph = 60;
	acceleration.Seconds = 7.1f;

	acceleration.Next();
	acceleration.Mph = 100;
	acceleration.Seconds = 11.8f;

	car.SetManufacturer(Manufacturer, srcOffset, Manufacturer.Length);
	car.SetModel(Model, srcOffset, Model.Length);
	car.SetActivationCode(ActivationCode, srcOffset, ActivationCode.Length);

	return car.Size;
	}

	private readonly byte[] _buffer = new byte[128];

	public void Decode(Car car, DirectBuffer directBuffer, int bufferOffset)
	{
	_messageHeader.Wrap(directBuffer, 0, 0);

	car.WrapForDecode(directBuffer, bufferOffset + MessageHeader.Size, _messageHeader.BlockLength, _messageHeader.Version);

	var templateId = Car.TemplateId;
	var schemaVersion = Car.SchemaVersion;
	var serialNumber = car.SerialNumber;
	var modelYear = car.ModelYear;
	var available = car.Available;
	var code = car.Code;

	for (int i = 0, size = Car.SomeNumbersLength; i < size; i++)
	{
	var number = car.GetSomeNumbers(i);
	}

	car.GetVehicleCode(_buffer, 0);

	OptionalExtras extras = car.Extras;
	var cruiseControl = (extras & OptionalExtras.CruiseControl) == OptionalExtras.CruiseControl;
	var sportsPack = (extras & OptionalExtras.SportsPack) == OptionalExtras.SportsPack;
	var sunRoof = (extras & OptionalExtras.SunRoof) == OptionalExtras.SunRoof;

	Engine engine = car.Engine;
	var capacity = engine.Capacity;
	var numCylinders = engine.NumCylinders;
	var maxRpm = engine.MaxRpm;
	for (int i = 0, size = Engine.ManufacturerCodeLength; i < size; i++)
	{
	engine.GetManufacturerCode(i);
	}

	int length = engine.GetFuel(_buffer, 0, _buffer.Length);

	var efficiency = engine.Efficiency;
	var boosterEnabled = engine.BoosterEnabled;
	var boostType = engine.Booster.BoostType;
	var horsePower = engine.Booster.HorsePower;

	var fuelFiguresGroup = car.FuelFigures;
	while (fuelFiguresGroup.HasNext)
	{
	var fuelFigures = fuelFiguresGroup.Next();
	var speed = fuelFigures.Speed;
	var mpg = fuelFigures.Mpg;
	fuelFigures.GetUsageDescription(_buffer, 0, _buffer.Length);
	}

	var performanceFiguresGroup = car.PerformanceFigures;
	while (performanceFiguresGroup.HasNext)
	{
	performanceFiguresGroup.Next();
	var octanceRating = performanceFiguresGroup.OctaneRating;

	var accelerationGroup = performanceFiguresGroup.Acceleration;
	for (int i = 0; i < accelerationGroup.Count; i++)
	{
	var acceleration = accelerationGroup.Next();
	var mpg = acceleration.Mph;
	var seconds = acceleration.Seconds;
	}
	}

	length = car.GetManufacturer(_buffer, 0, _buffer.Length);
	length = car.GetModel(_buffer, 0, _buffer.Length);
	length = car.GetActivationCode(_buffer, 0, _buffer.Length);

	var totalSize = car.Size;
	}
	}
	}