// const int DataSize = 4096;
static void Main([NotNull][ItemNotNull] string[] args)
{
if (args.Length != 2)
{
PrintUsage();
return;
}
string source = args[0];
string destination = args[1];
if (!File.Exists(source))
{
Console.WriteLine("Source file does not exist");
return;
}
var initialLogger = new PrefixLogger("[Initial] ");
var infoLogger = new PrefixLogger("[Sorter] ");
IDataManager manager = new FileDataManager(source, destination);
string[] environmentArgs = new string[0];
using (new Environment(ref environmentArgs))
{
var world = Communicator.world;
initialLogger.Assert(world != null, "Could not retrieve world");
int processors = world.Size;
initialLogger.Assert(processors.IsPowerOfTwo(), "Number of processors should be power of two");
int[] batch = GetDataBatch(world, initialLogger, manager, processors);
var sorter = new Sorter(batch, world, infoLogger);
int numberOfSteps = world.Size.IntegralBinaryLogarithm();
for (int step = numberOfSteps - 1; step >= 0; step -= 1)
{
sorter.Exchange(step);
}
var gathered = world.Gather(sorter.Sort(), 0);
if (gathered != null)
{
manager.SinkResult(gathered);
}
}
}