static void Main(string[] args)
{
Console.OutputEncoding = System.Text.Encoding.UTF8;
Console.WriteLine(String.Format("FcsFastBTreeN.Multi.benchmark, {0}", (IntPtr.Size == 4) ? "32 bit" : "64 bit"));
Console.WriteLine("--------------------------------------");
int iPocetAdd = 0;
Random r = new Random((int)DateTime.Now.Ticks);
int[] aRand = new int[10000000];
var hashSetRand = new HashSet <int>();
while (iPocetAdd < 10000000)
{
int rand = r.Next(1, Int32.MaxValue);
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;
//
//
Console.WriteLine("--------------------------------------");
Console.WriteLine("FcsFastBTreeN");
TestKV btnTest = new TestKV();
var swFcsKV = Stopwatch.StartNew();
for (int i = 0; i < _max; i++)
{
uint value = 1;
foreach (int ii in aRand)
{
btnTest.BtnAdd(ii, ref value, null);
}
}
swFcsKV.Stop();
iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,4} MB [{1,4:N1} s] | {3} | Δ {2,3} MB | {4,8:N0} ns", iMem >> 20, swFcsKV.Elapsed.TotalSeconds, (iMem - iMemOld) >> 20,
btnTest.BtnUsedKeys(), ((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / _max / aRand.Length));
iMemOld = iMem;
int iCompareCount = 0;
swFcsKV.Restart();
foreach (KeyValuePair <int, uint>?value in btnTest)
{
iCompareCount++;
}
swFcsKV.Stop();
Console.WriteLine("FcsFastBTreeN - foreach()");
Console.WriteLine($"{((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),7:N2} ns [{swFcsKV.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} ]{iCompareCount / swFcsKV.Elapsed.TotalSeconds,20:N0} IOPS");
iCompareCount = 0;
swFcsKV.Restart();
if (btnTest.BtnFastFirst(out int fcsKey2, out uint fcsValue2, 2) != null)
{
iCompareCount++;
while (btnTest.BtnFastNext(ref fcsKey2, out fcsValue2, 2) != null)
{
iCompareCount++;
}
}
swFcsKV.Stop();
Console.WriteLine("FcsFastBTreeN - BtnFastFirst()/BtnFastNext()");
Console.WriteLine($"{((double)(swFcsKV.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),7:N2} ns [{swFcsKV.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} ]{iCompareCount / swFcsKV.Elapsed.TotalSeconds,20:N0} IOPS");
//
//
Console.WriteLine("--------------------------------------");
Console.WriteLine("SortedSet");
SortedSet <StructBtn> sorted = new SortedSet <StructBtn>(Comparer <StructBtn> .Create((a, b) => a.CompareTo(b)));
var swSorted = Stopwatch.StartNew();
for (int i = 0; i < _max; i++)
{
StructBtn kvSet;
kvSet.value = 1;
foreach (int ii in aRand)
{
kvSet.key = ii;
sorted.Add(kvSet);
}
}
swSorted.Stop();
iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,4} MB [{1,4:N1} s] | {3} | Δ {2,3} MB | {4,8:N0} ns", iMem >> 20, swSorted.Elapsed.TotalSeconds, (iMem - iMemOld) >> 20,
sorted.Count, ((double)(swSorted.Elapsed.TotalMilliseconds * 1000000) / _max / aRand.Length));
iMemOld = iMem;
iCompareCount = 0;
swSorted.Restart();
foreach (StructBtn sortedSetX in sorted)
{
iCompareCount++;
}
swSorted.Stop();
Console.WriteLine("SortedSet - foreach()");
Console.WriteLine($"{((double)(swSorted.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),7:N2} ns [{swSorted.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} ]{iCompareCount / swSorted.Elapsed.TotalSeconds,20:N0} IOPS");
//
//
Console.WriteLine("--------------------------------------");
Console.WriteLine("HashSet");
var hash = new HashSet <StructBtn>(new StructBtnComparer());
var swHash = Stopwatch.StartNew();
for (int i = 0; i < _max; i++)
{
StructBtn kvSet;
kvSet.value = 1;
foreach (int ii in aRand)
{
kvSet.key = ii;
hash.Add(kvSet);
}
}
swHash.Stop();
iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,4} MB [{1,4:N1} s] | {3} | Δ {2,3} MB | {4,8:N0} ns", iMem >> 20, swHash.Elapsed.TotalSeconds, (iMem - iMemOld) >> 20,
hash.Count, ((double)(swHash.Elapsed.TotalMilliseconds * 1000000) / _max / aRand.Length));
iMemOld = iMem;
iCompareCount = 0;
swHash.Restart();
foreach (StructBtn sortedSetH in hash)
{
iCompareCount++;
}
swSorted.Stop();
Console.WriteLine("HashSet - foreach()");
Console.WriteLine($"{((double)(swHash.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),7:N2} ns [{swSorted.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} ]{iCompareCount / swHash.Elapsed.TotalSeconds,20:N0} IOPS");
//
//
Console.WriteLine("--------------------------------------");
Console.WriteLine("Dictionary");
var dic = new Dictionary <int, uint>();
var swDic = Stopwatch.StartNew();
for (int i = 0; i < _max; i++)
{
foreach (int ii in aRand)
{
dic.Add(ii, 1);
}
}
swDic.Stop();
iMem = GC.GetTotalMemory(true);
Console.WriteLine("UsedMemory {0,4} MB [{1,4:N1} s] | {3} | Δ {2,3} MB | {4,8:N0} ns", iMem >> 20, swDic.Elapsed.TotalSeconds, (iMem - iMemOld) >> 20,
dic.Count, ((double)(swDic.Elapsed.TotalMilliseconds * 1000000) / _max / aRand.Length));
iMemOld = iMem;
iCompareCount = 0;
swDic.Restart();
foreach (KeyValuePair <int, uint> sortedSetD in dic)
{
iCompareCount++;
}
swSorted.Stop();
Console.WriteLine("Dictionary - foreach()");
Console.WriteLine($"{((double)(swDic.Elapsed.TotalMilliseconds * 1000000) / iCompareCount),7:N2} ns [{swSorted.Elapsed.TotalMilliseconds,11} ms | {iCompareCount} ]{iCompareCount / swDic.Elapsed.TotalSeconds,20:N0} IOPS");
//
//
iCompareCount = 0;
int iCompareEquals = 0;
Console.WriteLine("--------------------------------------");
Console.WriteLine("Checking for sorting and matching");
btnTest.BtnFastFirst(out fcsKey2, out fcsValue2, 2);
foreach (StructBtn sortedSet in sorted)
{
iCompareCount++;
// Compare
if (sortedSet.key == fcsKey2)
{
iCompareEquals++;
}
// FcsBTreeN verze 2
if (btnTest.BtnFastNext(ref fcsKey2, out fcsValue2, 2) == null)
{
break;
}
}
Console.WriteLine($"count FcsFastBTreeN: {btnTest.BtnUsedKeys()}");
Console.WriteLine($"count SortedSet: {iCompareCount}");
Console.WriteLine($"checking: {iCompareEquals}");
Console.WriteLine("--------------------------------------");
Console.WriteLine("Key ENTER press.");
Console.ReadLine();
}