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March 17, 2021 16:02
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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; | |
} | |
} | |
} |
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