/// <summary> /// /// </summary> /// <typeparam name="T"></typeparam> /// <param name="src"></param> /// <param name="sorter"></param> /// <param name="isFirst"></param> /// <returns></returns> public static IQueryable <T> ApplyOrderBy <T>(this IQueryable <T> src, QSorter sorter, bool isFirst = true) => src.ApplyOrderBy(sorter.PropName, sorter.IsAscending, isFirst);
private static void MultiThreadedVol2(string[] args)
{
MPI.Environment.Run(ref args, communicator =>
{
//Initialize
var inputFile = args[0];
var outputFile = args[1];
var sorter = new QSorter(communicator);
var isManager = communicator.Rank == 0;
int[] result = null;
//Send array parts to workers
if (isManager)
{
var array = ReaderWriter.Read(inputFile);
var qsArray = new QSArray(array);
sorter.InitializeWithData(qsArray);
}
else
{
sorter.InitializeWithData(null);
}
//Parallel QSort
using (var performanceCounter = new PerformanceCounter($"Execution time [{communicator.Rank}]: "))
{
while (true)
{
if (sorter.LastInGroup)
{
sorter.Sort();
break;
}
sorter.PivotBroadcast();
sorter.PartitionAndPartsExchange();
sorter.GroupHalfToSubGroup();
}
sorter.SendWorkResult();
//Collect all parts together
if (isManager)
{
result = sorter.MergeDataFromWorkers();
}
}
//Write to output file
if (isManager)
{
var list = result.ToList();
ReaderWriter.Write(outputFile, list);
//Console.WriteLine($"Verified: {Verify(list, inputFile)}");
}
});
}
