static async Task MainAsync()
{
Console.WriteLine("Please, choose option");
Console.WriteLine("Press 1 to compare multipliers time of work on different number of threads and constant matrix size");
Console.WriteLine("Press 2 to compare multipliers time of work on different matrix sizes");
Console.WriteLine("Press any key to perform matrix multiplication");
var choice = Console.ReadLine();
switch (choice)
{
case "1":
CompareTimeOfWorkOnConstantMatrixSize();
break;
case "2":
CompareTimeOfWorkDependingOnMatrixSize();
break;
}
Console.WriteLine("Enter path to file with left matrix");
var pathLeft = Console.ReadLine();
Console.WriteLine("Enter path to file with right matrix");
var pathRight = Console.ReadLine();
Console.WriteLine("Enter path to file, where result will be written");
var resultPath = Console.ReadLine();
int[,] left, right;
try
{
var fileReader = new MatrixFileReader();
left = await fileReader.ReadAsync(pathLeft);
right = await fileReader.ReadAsync(pathRight);
}
catch (FileNotFoundException e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("\nChoose type of multiplier");
Console.WriteLine("1 - Synchronous Matrix Multiplier");
Console.WriteLine("2 - Parallel.For Matrix Multiplier");
Console.WriteLine("3 - Striped Parallelizing Matrix Multiplier");
Console.WriteLine("4 - Sequentially Parallelizing Matrix Multiplier");
Console.WriteLine("Press any key to exit");
choice = Console.ReadLine();
IMatrixMultiplier multiplier = choice switch
{
"1" => new SynchronousMatrixMultiplier(),
"2" => new ParallelForMatrixMultiplier(),
"3" => new StripedParallelizingMatrixMultiplier(),
"4" => new SequentiallyParallelizingMatrixMultiplier(),
_ => null
};
if (multiplier == null)
{
return;
}
Console.WriteLine("Multiplying performs...");
try
{
var result = multiplier.Multiply(left, right);
var fileWriter = new MatrixFileWriter();
await fileWriter.WriteAsync(result, resultPath);
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine(e.Message);
return;
}
Console.WriteLine("Ready!");
}
}
public void ReadingFromNotExistingFileTest(string path)
{
Assert.ThrowsAsync <FileNotFoundException>(async() => await fileReader.ReadAsync(path));
}