//
static bool FuncUpdate(BtnKey keyAdd, ref BtnKey keyUpdate, object objUpdate)
{
// Resize ?
if ((keyUpdate.aValueDateTime.Length <= keyUpdate.valueCount) || (keyUpdate.aValueRand.Length <= keyUpdate.valueCount))
{
if ((keyUpdate.aValueDateTime.Length >= 1024) || (keyUpdate.aValueRand.Length >= 1024))
{
Array.Resize <DateTime>(ref keyUpdate.aValueDateTime, keyUpdate.aValueDateTime.Length + 1024);
Array.Resize <uint>(ref keyUpdate.aValueRand, keyUpdate.aValueRand.Length + 1024);
}
else
{
Array.Resize <DateTime>(ref keyUpdate.aValueDateTime, keyUpdate.aValueDateTime.Length * 2);
Array.Resize <uint>(ref keyUpdate.aValueRand, keyUpdate.aValueRand.Length * 2);
}
}
// Update
keyUpdate.aValueDateTime[keyUpdate.valueCount] = keyAdd.aValueDateTime[0];
keyUpdate.aValueRand[keyUpdate.valueCount] = keyAdd.aValueRand[0];
keyUpdate.valueCount++;
return(true);
}
//
static int CmpBtnKey(BtnKey keyX, BtnKey keyY, object objCmp, object objCmp2)
{
// return < 0 (less), = 0 (equal), > 0 (greater)
int iResult = String.Compare(keyX.keyCity, keyY.keyCity, StringComparison.Ordinal);
if (iResult == 0)
{
iResult = keyX.keyId.CompareTo(keyY.keyId);
//if (iResult == 0)
//{
// iResult = DateTime.Compare(key0, keyY.key0);
// if (iResult == 0)
// {
// iResult = string.Compare(key1, keyY.key1, true);
// if (iResult == 0)
// {
// iResult = key2.CompareTo(keyY.key2);
// }
// }
//}
}
return(iResult);
}
//
//
//
static void Main(string[] args)
{
Console.OutputEncoding = System.Text.Encoding.UTF8;
Console.WriteLine(String.Format("DuplicityKeys.Milti.sample, {0}", (IntPtr.Size == 4) ? "32 bit" : "64 bit"));
Console.WriteLine("-----------------------------------");
int max = 36000;
string[] aCity = { "London", "Moscow", "Warsaw", "Berlin", "Paris", "Prague", "Brussels", "Vienna", "Zagreb", "Helsinki" };
int iPocetAdd = 0;
Random r = new Random((int)DateTime.Now.Ticks);
uint[] aRand = new uint[max];
var hashSetRand = new HashSet <uint>();
while (iPocetAdd < max)
{
uint rand = (uint)r.Next(0, Int32.MaxValue - 1);
if (hashSetRand.Contains(rand) == false)
{
hashSetRand.Add(rand);
aRand[iPocetAdd] = rand;
iPocetAdd++;
}
}
hashSetRand = null;
long iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,4} MB", iMem >> 20);
long iMemOld = iMem;
//
//
iPocetAdd = 0;
Console.WriteLine("-----------------------------------");
Console.WriteLine("FcsFastBTreeN");
BtnKey key;
key.aValueRand = new uint[1];
key.aValueDateTime = new DateTime[1];
FcsKeyFastBTreeN <BtnKey> btnTest = BtnKey.CreateFcsKeyFastBTreeN();
var swFcsKV = Stopwatch.StartNew();
for (int iter = 0; iter < 100; iter++)
{
for (int idx = 0; idx < max; idx++)
{
key.keyCity = aCity[idx % aCity.Length];
key.keyId = idx % 1200;
key.valueCount = 1;
key.aValueRand[0] = aRand[idx];
key.aValueDateTime[0] = DateTime.Now;
if (btnTest.BtnAdd(key) != null)
{
iPocetAdd++;
}
}
}
swFcsKV.Stop();
iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,5} MB [{1,5:N1} s] | {3} keys | Δ {2,3} MB | {4,8:N0} ns | {5,10:N0} values | sizeT {6,2} Byte", iMem >> 20, swFcsKV.Elapsed.TotalSeconds, (iMem - iMemOld) >> 20,
btnTest.BtnUsedKeys(), ((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iPocetAdd), iPocetAdd, Marshal.SizeOf <BtnKey>());
iMemOld = iMem;
int iCompareCount = 0;
// generate code at run time
foreach (BtnKey?value in btnTest)
{
iCompareCount++;
}
//
iCompareCount = 0;
swFcsKV.Restart();
foreach (BtnKey?value in btnTest)
{
iCompareCount++;
}
swFcsKV.Stop();
Console.WriteLine("\nFcsKeyFastBTreeN - foreach()");
Console.WriteLine($"{((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),9:N2} ns [{swFcsKV.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} keys ]{iCompareCount / swFcsKV.Elapsed.TotalSeconds,20:N0} IOPS");
iCompareCount = 0;
FcsKeyFastBTreeN <BtnKey> .KeyEnumerator btnEn = btnTest.GetEnumeratorFastEx(false);
swFcsKV.Restart();
while (btnEn.MoveNext())
{
BtnKey?value = btnEn.Current;
iCompareCount++;
}
swFcsKV.Stop();
btnEn.Dispose();
Console.WriteLine("\nFcsKeyFastBTreeN - foreach()");
Console.WriteLine($"{((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),9:N2} ns [{swFcsKV.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} keys ]{iCompareCount / swFcsKV.Elapsed.TotalSeconds,20:N0} IOPS");
iCompareCount = 0;
FcsKeyFastBTreeN <BtnKey> .KeyFast btnFast;
swFcsKV.Restart();
if (btnTest.BtnFastFirst(out BtnKey fcsKey2, out btnFast) != null)
{
do
{
iCompareCount++;
}while (btnTest.BtnFastNext(ref fcsKey2, ref btnFast) != null);
}
swFcsKV.Stop();
btnFast.Dispose();
Console.WriteLine("\nFcsFastBTreeN - BtnFastFirst()/BtnFastNext()");
Console.WriteLine($"{((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),9:N2} ns [{swFcsKV.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} keys ]{iCompareCount / swFcsKV.Elapsed.TotalSeconds,20:N0} IOPS");
//
//
Console.WriteLine("-----------------------------------");
Console.WriteLine("Key ENTER press.");
Console.ReadLine();
}