public void AllComputationsOfMinMaxTaskSolverAreCorrect()
{
var numbersCount = 1000*1000;
var threadsCount = 10;
var formatter = new BinaryFormatter();
var rand = new Random();
var stopwatch = new Stopwatch();
stopwatch.Start();
var numbers = new List<int>(numbersCount);
for (var i = 0; i < numbersCount; i++)
{
numbers.Add(rand.Next(int.MinValue, int.MaxValue));
}
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + numbersCount + " numbers generated ");
var expectedMinimum = numbers.Min();
var expectedMaximum = numbers.Max();
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + " expected results found");
var problem = new MmProblem(numbers);
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "problem created ");
byte[] problemData;
using (var memoryStream = new MemoryStream())
{
formatter.Serialize(memoryStream, problem);
problemData = memoryStream.ToArray();
}
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "problem serialized");
var taskSolver = new MmTaskSolver(problemData);
var partialProblemsData = taskSolver.DivideProblem(threadsCount);
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "problem divided; threadsCount=" +
threadsCount);
var partialSolutionsData = new List<byte[]>(partialProblemsData.Length);
foreach (var partialProblemData in partialProblemsData)
{
var partialSolutionData = taskSolver.Solve(partialProblemData, new TimeSpan());
partialSolutionsData.Add(partialSolutionData);
}
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "partial solutions solved");
var finalSolutionData = taskSolver.MergeSolution(partialSolutionsData.ToArray());
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "problems merged");
using (var memoryStream = new MemoryStream(finalSolutionData))
{
var finalSolution = (MmSolution) formatter.Deserialize(memoryStream);
Assert.AreEqual(finalSolution.Min, expectedMinimum);
Assert.AreEqual(finalSolution.Max, expectedMaximum);
}
Debug.WriteLine(stopwatch.ElapsedMilliseconds/1000.0 + ": " + "final solution deserialized");
stopwatch.Stop();
}
public MmTaskSolver(byte[] problemData)
: base(problemData)
{
_formatter = new BinaryFormatter();
try
{
using (var memoryStream = new MemoryStream(problemData))
{
_minMaxProblem = (MmProblem) _formatter.Deserialize(memoryStream);
}
State = TaskSolverState.OK;
}
catch (Exception)
{
State = TaskSolverState.Error;
}
}
public MmTaskSolver(byte[] problemData)
: base(problemData)
{
_formatter = new BinaryFormatter();
try
{
using (var memoryStream = new MemoryStream(problemData))
{
_minMaxProblem = (MmProblem)_formatter.Deserialize(memoryStream);
}
State = TaskSolverState.OK;
}
catch (Exception)
{
State = TaskSolverState.Error;
}
}
