public static void ExportMemoryUsage(string resultPath, Mpi mpi, INativeMemoryProvider memoryProvider, double frequency)
{
Complex localNativeMemory = (memoryProvider as MemoryProvider)?.GetAllocatedMemorySizeInBytes() / (1024 * 1024.0) ?? 0;
var nativeMemory = new Complex[mpi?.Size ?? 1];
Complex localManagedMemory = GC.GetTotalMemory(false) / (1024 * 1024.0);
var managedMemory = new Complex[mpi?.Size ?? 1];
Complex localLinuxMemory = (double)LinuxMemoryFileReader.GetTotalMemoryInMiB();
var linuxMemory = new Complex[mpi?.Size ?? 1];
mpi?.Gather(nativeMemory, localNativeMemory);
mpi?.Gather(managedMemory, localManagedMemory);
mpi?.Gather(linuxMemory, localLinuxMemory);
if (mpi?.IsMaster ?? true)
{
string path = Path.Combine(resultPath, $"mem_info_mpi{mpi?.Size:0000}_freq{frequency}.dat");
Func <Complex, string> pr = v => $"{v.Real / 1024:######0.0000} GiB".PadLeft(16);
using (var sw = new StreamWriter(path))
{
sw.WriteLine($"MPI_proc\t\tNATIVE\t\tMANAGED\t\tSUMM\t\tLINUX");
sw.Write($"Total".PadRight(16));
sw.Write(pr(nativeMemory.Sum(c => c.Real)));
sw.Write(pr(managedMemory.Sum(c => c.Real)));
sw.Write(pr(nativeMemory.Sum(c => c.Real) + managedMemory.Sum(c => c.Real)));
sw.Write(pr(linuxMemory.Sum(c => c.Real)));
sw.WriteLine();
for (int i = 0; i < nativeMemory.Length; i++)
{
sw.Write($"{i}".PadRight(16));
sw.Write(pr(nativeMemory[i]));
sw.Write(pr(managedMemory[i]));
sw.Write(pr(nativeMemory[i] + managedMemory[i]));
sw.Write(pr(linuxMemory[i]));
sw.WriteLine();
}
}
}
}
public ParallelManager(Mpi mpi)
{
_size = mpi.Size;
_rank = mpi.Rank;
}
public unsafe static void Send(this Mpi mpi, double data, int dest, int tag)
{
mpi.Send(&data, 1, Mpi.Double, dest, tag);
}
public unsafe static void Send(this Mpi mpi, IntPtr data, int count, IntPtr datatype, int dest, int tag)
{
mpi.Send(data.ToPointer(), count, datatype, dest, tag);
}
public unsafe static void Send(this Mpi mpi, int data, int dest, int tag)
{
mpi.Send(&data, 1, Mpi.Int, dest, tag);
}
