public bool StartProc()
{
if (tmp == null)
{
return(false);
}
uint MemRequested, MemLockRequested;
t = new Thread(new ThreadStart(tmp.ForeWork));
t.Start();
t.Join();
if (!tmp.ForeWorkResult)
{
return(false);
}
MemRequested = tmp.MemRequested();
MemLockRequested = tmp.MemLockRequested();
MemMan.Compact();
MemMan.MEMORYSTATUSEX MS;
MS = MemMan.MemoryStatus();
try
{
MemMan.curProc.MaxWorkingSet = (IntPtr)MS.TotalPhys;
MemMan.curProc.MinWorkingSet = (IntPtr)(MemLockRequested + 0x800000);
}
catch (Exception e)
{
Console.WriteLine("\n>>>>>>> " + e.Message);
Console.WriteLine(">>>>>>> Can't take the ownership on " + ((MemLockRequested + 0x800000) / (1024 * 1024)).ToString("####0.0") + "Mb RAM");
Console.WriteLine(">>>>>>> Probably the progamm is running not under an administrative account,\n>>>>>>> or too many other applications are running");
Console.WriteLine(">>>>>>> or too many other applications are running.");
Console.WriteLine(">>>>>>> Calculations will continue, but may slow down.");
}
if (!MM.Allocate(MemRequested))
{
Console.WriteLine(ExI + " ----> virtual allocation failed for " + MemRequested.ToString() + " bytes");
return(false);
}
// optionally lock the memory
if (!MM.Lock(0, MemLockRequested))
{
Console.WriteLine(">>>>>>> Unable to lock the memory.");
Console.WriteLine(">>>>>>> Calculations will continue, but will slow down.");
}
unsafe
{
tmp.data = (double *)MM.BaseAddress;
}
t = new Thread(new ThreadStart(tmp.StartCalculations));
t.Start();
t.Join();
MM.Free();
return(true);
}
public bool StartProc()
{
if (tmp == null)
{
return(false);
}
uint MemRequested, MemSupplied;
unsafe { MemRequested = tmp.M * tmp.N * (uint)2 * sizeof(double); }
if (!MM.Allocate(MemRequested))
{
Console.WriteLine(ExI + " ----> virtual allocation failed for " + MemRequested.ToString() + " bytes");
return(false);
// тут зацикливается на светофор, если память занята просто другими экзекуторами
// if(MemAlloc>=MemRequest) ....
}
Console.WriteLine(ExI + " ----> allocated " + MemRequested + " bytes, total " + MemMan.MemAlloc);
if ((MemSupplied = MM.LockAtLeast(0, MinWorkingMem, MemRequested)) >= MemRequested)
{ // установить параметры памяти в tmp
Console.WriteLine(ExI + " ----> locked " + MemSupplied + " bytes, total " + MemMan.MemLock);
unsafe
{
tmp.sli = (double *)MM.LockAddress;
}
t = new Thread(new ThreadStart(tmp.StartCalculations));
t.Start();
t.Join();
tmp.FlushOld();
MM.Free();
return(true);
}
Console.WriteLine(ExI + " ----> failed to lock at least 16M out of " + MemRequested + " bytes");
//здесь семафор, если память просто заблокирована другими экзекуторами
// if(MemLock>=MinWorkingMem) ....
return(false);
}