static void Main(string[] args)
{
using (new MPI.Environment(ref args))
{
int matrixSize = 50;
Intracommunicator comm = Communicator.world;
if (comm.Rank == 0)
{
DateTime startTime = DateTime.Now;
MatrixMultiply mp = new MatrixMultiply(comm.Size, matrixSize);
//mp.Show();
comm.Send <MatrixMultiply>(mp, 1, 0);
Console.WriteLine("Sending MatrixMyltiply");
Matrix res = mp.MultiplyForRank(comm.Rank);
comm.Receive <MatrixMultiply>(Communicator.anySource, 0);
Console.WriteLine("Recieve MatrixMultiply");
comm.Send <Matrix>(res, 1, 1);
Console.WriteLine("Sending Matrix result");
//res = comm.Receive<Matrix>(Communicator.anySource, 1);
Console.WriteLine("Recieve Matrix result");
//res.Show();
DateTime endTime = DateTime.Now;
Console.WriteLine("Test multiply" + (startTime - endTime).ToString());
}
else
{
MatrixMultiply mp = comm.Receive <MatrixMultiply>(comm.Rank - 1, 0);
comm.Send <MatrixMultiply>(mp, (comm.Rank + 1) % comm.Size, 0);
Matrix res = mp.MultiplyForRank(comm.Rank);
Matrix m = comm.Receive <Matrix>(comm.Rank - 1, 1);
comm.Send <Matrix>(m.Append(res), (comm.Rank + 1) % comm.Size, 1);
}
}
}
static void Main(string[] args)
{
using (new MPI.Environment(ref args))
{
if (args.Length != 1)
{
return;
}
const int matrixSize = 50;
Intracommunicator comm = Communicator.world;
int groupCount = int.Parse(args[0]);
if (comm.Rank == 0)
{
DateTime startTime = DateTime.Now;
MatrixMultiply testMultiply = new MatrixMultiply(comm.Size, matrixSize);
Matrix result = testMultiply.MultiplyForRank(0);
for (int i = 1; i < comm.Size; i++)
{
result.Append(testMultiply.MultiplyForRank(i));
}
DateTime endTime = DateTime.Now;
Console.WriteLine("Test multiply" + (startTime - endTime).ToString());
int workers = comm.Size - groupCount - 1;
Console.WriteLine("All process count: " + (comm.Size).ToString());
Console.WriteLine("Workers count: " + (workers + groupCount).ToString());
Console.WriteLine("Group count" + (groupCount).ToString());
int workerIndex = groupCount + 1;
int managersWithoutWorkers = groupCount;
Request[] sendRequest = new Request[groupCount];
for (int i = 0; i < groupCount; i++)
{
int workersIntheGroup = (int)Math.Floor((double)(workers / managersWithoutWorkers));
MatrixMultiply mp = new MatrixMultiply(workersIntheGroup + 1, matrixSize)
{
WorkersList = new List <int>(),
IsAManager = true
};
for (int j = 0; j < workersIntheGroup; j++)
{
mp.WorkersList.Add(workerIndex);
// Console.WriteLine("WorkerID " + workerIndex);
workerIndex++;
workers--;
}
managersWithoutWorkers--;
Console.WriteLine("Group " + i.ToString() + " has " + (workersIntheGroup + 1).ToString() + "members");
sendRequest[i] = comm.ImmediateSend(mp, i + 1, 0);
}
Console.WriteLine("Sending the job");
for (int i = 0; i < groupCount; i++)
{
sendRequest[i].Wait();
}
ReceiveRequest[] recieveRequest = new ReceiveRequest[groupCount];
for (int i = 0; i < groupCount; i++)
{
recieveRequest[i] = comm.ImmediateReceive <Matrix>(i + 1, 0);
}
Console.WriteLine("Recieve results");
for (int i = 0; i < groupCount; i++)
{
recieveRequest[i].Wait();
}
//for (int i = 0; i < groupCount; i++)
// {
// var result = recieveRequest[i].GetValue();
// if(result == null)
// {
// Console.WriteLine("Null get");
// }
// Console.WriteLine("Group " + i + " has finished in " + ((TimeSpan)recieveRequest[i].GetValue()).ToString());
//}
}
else
{
ReceiveRequest receiveRequest = comm.ImmediateReceive <MatrixMultiply>(Communicator.anySource, 0);
receiveRequest.Wait();
MatrixMultiply mp = (MatrixMultiply)receiveRequest.GetValue();
if (mp.IsAManager)
{
DateTime startTime = DateTime.Now;
mp.IsAManager = false;
mp.Chef = comm.Rank;
Request[] sendRequestToWorker = new Request[mp.WorkersList.Count];
int index = 0;
//Console.WriteLine("MAnager " + mp.WorkersList.Count);
foreach (int workerId in mp.WorkersList)
{
mp.workerId = index + 1;
sendRequestToWorker[index] = comm.ImmediateSend(mp, workerId, 0);
// Console.WriteLine("Worker " + mp.WorkersList.Count + " " + index);
index++;
}
for (int i = 0; i < mp.WorkersList.Count; i++)
{
sendRequestToWorker[i].Wait();
}
var result = mp.MultiplyForRank(0);
ReceiveRequest[] receiveRequestFromWorkers = new ReceiveRequest[mp.WorkersList.Count];
for (int i = 0; i < mp.WorkersList.Count; i++)
{
receiveRequestFromWorkers[i] = comm.ImmediateReceive <Matrix>(mp.WorkersList.ToArray()[i], 0);
}
for (int i = 0; i < mp.WorkersList.Count; i++)
{
// Console.WriteLine("Waiting for " + mp.WorkersList.ToArray()[i]);
receiveRequestFromWorkers[i].Wait();
}
for (int i = 0; i < mp.WorkersList.Count; i++)
{
result.Append((Matrix)receiveRequestFromWorkers[i].GetValue());
}
DateTime finishTime = DateTime.Now;
TimeSpan resultTime = (finishTime - startTime);
Request sendRequest = comm.ImmediateSend(resultTime, 0, 0);
sendRequest.Wait();
Console.WriteLine("Group " + comm.Rank + " has done in " + resultTime);
}
else
{
//Console.WriteLine("Worker " + comm.Rank + "manager" + mp.Chef);
mp.MultiplyForRank(mp.workerId);
Request sendRequest = comm.ImmediateSend(mp.MultiplyForRank(mp.workerId), mp.Chef, 0);
sendRequest.Wait();
}
}
}
}