public override ObjectVariants GetUri(object uri)
{
var s = uri as string;
if (s != null)
{
int code = coding_table.GetCode(s);
if (code == -1)
return new OV_iri(s);
else return new OV_iriint(code, coding_table.GetString);
}
else if(uri is int)
return new OV_iriint((int) uri, coding_table.GetString);
throw new ArgumentException();
}
public static void TestNameTable(INametable nt)
{
System.Diagnostics.Stopwatch T = new System.Diagnostics.Stopwatch();
Random rnd = new Random();
string prefix = "PupkinQQUTEUJSHJDHJGFHSGDHWTYTHXCGHGCHSHSDYSTDSHSGHSG_";
int max = 1_000_000;
int total = 7 * max;
T.Restart();
for (int i = 0; i < total; i++)
{
string scode = prefix + rnd.Next(max);
var code = nt.GetSetCode(scode);
}
T.Stop();
Console.WriteLine($" get set {total} codes for new strings time {T.ElapsedMilliseconds}. Nametable Count={nt.LongCount()}");
int nprobes = 1_000_000;
T.Restart();
int unknown = 0;
for (int j = 0; j < nprobes; j++)
{
string scode = prefix + rnd.Next(max);
int code = nt.GetCode(scode);
if (code == Int32.MinValue)
{
unknown++;
}
}
T.Stop();
Console.WriteLine($" get {nprobes} codes. time {T.ElapsedMilliseconds}. {unknown} are unknown");
T.Restart();
unknown = 0;
int maxcode = (int)nt.LongCount() * 11 / 10; // лишние для тестирования отсутствующих кодов
for (int j = 0; j < nprobes; j++)
{
int code = rnd.Next(maxcode);
string scode = nt.GetString(code);
if (scode == null)
{
unknown++;
}
}
T.Stop();
Console.WriteLine($" get {nprobes} string from codes. time {T.ElapsedMilliseconds}. {unknown} are unknown");
}
public void TestNameTable()
{
Random rnd = new Random();
string prefix = "PupkinQQUTEUJSHJDHJGFHSGDHWTYTHXCGHGCHSHSDYSTDSHSGHSG_";
int max = 1_000_000;
int total = 7 * max;
List <string> names = Enumerable.Range(0, total).Select(i => prefix + rnd.Next(max)).ToList();
List <int> codes = new List <int>();
total++;
names.Add(string.Empty);
for (int i = 0; i < total; i++)
{
string scode = prefix + rnd.Next(max);
var code = _magnt.GetSetCode(scode);
}
int nprobes = 1_000_000;
int unknown = 0;
for (int j = 0; j < nprobes; j++)
{
string scode = prefix + rnd.Next(max);
int code = _magnt.GetCode(scode);
if (code == Int32.MinValue)
{
unknown++;
}
}
unknown = 0;
int maxcode = (int)_magnt.LongCount() * 11 / 10; // лишние для тестирования отсутствующих кодов
for (int j = 0; j < nprobes; j++)
{
int code = rnd.Next(maxcode);
string scode = _magnt.GetString(code);
if (scode == null)
{
unknown++;
}
}
}
public void IntegerSequenceCreateSearch()
{
var uniqPath = Path+DateTime.Now.ToString(CultureInfo.InvariantCulture).Replace(":"," ")+DateTime.Now.Millisecond+"/";
Directory.CreateDirectory(uniqPath);
nameTable = new NametableLinearBuffered(uniqPath);
Stopwatch timer = new Stopwatch();
timer.Start();
nameTable.Load(NumberOfRecords, Enumerable.Range(0, NumberOfRecords).Select(i => i.ToString()));
timer.Stop();
Console.WriteLine(timer.Elapsed.TotalSeconds);
var random = new Random();
var r = random.Next(NumberOfRecords);
timer.Restart();
nameTable.GetCode(r.ToString());
timer.Stop();
Console.WriteLine("search " + r +" "+ timer.Elapsed.TotalMilliseconds);
// SearchIntSequence();
//nameTable.Clear();
////nameTable.Load(NumberOfRecords, Enumerable.Empty<string>());
//nameTable.InsertPortion(Enumerable.Range(0, NumberOfRecords/2).Select(i => i.ToString()));
//Console.WriteLine("df");
//nameTable.InsertPortion(Enumerable.Range(NumberOfRecords / 2, NumberOfRecords).Select(i => i.ToString()));
////foreach (var s in Enumerable.Range(0, NumberOfRecords).Select(i => i.ToString()))
//{
// nameTable.GetSetCode(s);
//}
SearchIntSequence();
// nameTable.Clear();
// SearchIntSequence();
}
static void TestNameTable(INametable nt)
{
// int startCapacity=1000*1000;
int allCount = 10 * 1000 * 1000;//startCapacity+1000;//1001000
//int firstPortionSize = 1000;
//int portionSize = 100*1000;
//int portionsCount = 10;
int lastPortionAddByGetset = allCount;//1000;
var allStrings = new List <string>(allCount);
List <string> RandomStringsList(int count)
{
return(Enumerable.Repeat(0, count).Select(i => Guid.NewGuid().ToString())
.ToList());
}
var newstrings = RandomStringsList(lastPortionAddByGetset);
allStrings.AddRange(newstrings);
T.Restart();
foreach (var newstring in newstrings)
{
var code = nt.GetSetCode(newstring);
}
T.Stop();
Console.WriteLine($" get set {newstrings.Count} codes for new strings time {T.ElapsedMilliseconds}");
//get code test
int getCodeCalls = 1000 * 1000;
var randomExistingStrings = Enumerable.Range(0, getCodeCalls)
.Select(j => Random.Next(getCodeCalls))
.Select(randomI => allStrings[randomI])
.ToList();
T.Restart();
for (int j = 0; j < getCodeCalls; j++)
{
nt.GetCode(randomExistingStrings[j]);
}
T.Stop();
Console.WriteLine($" get {getCodeCalls} existing codes time {T.ElapsedMilliseconds}");
var randomNotExistingStrings = RandomStringsList(getCodeCalls);
T.Restart();
for (int j = 0; j < getCodeCalls; j++)
{
nt.GetCode(randomNotExistingStrings[j]);
}
T.Stop();
Console.WriteLine($" get {getCodeCalls} not existing codes time {T.ElapsedMilliseconds}");
//get string test
//int getStringCalls = 1000 * 1000;
var randomExistingCodes = Enumerable.Range(0, getCodeCalls)
.Select(j => Random.Next(getCodeCalls))
.Select(randomI => allStrings[randomI])
.Select(nt.GetCode)
.ToList();
T.Restart();
for (int j = 0; j < getCodeCalls; j++)
{
nt.GetCode(randomExistingStrings[j]);
}
T.Stop();
Console.WriteLine($" get {getCodeCalls} existing strings time {T.ElapsedMilliseconds}");
}
