static void Main(string[] args)
{
rand = new Random();
List <Person> persons = new List <Person>();
const int personCount = 1000000;
Stopwatch watch = new Stopwatch();
watch.Start();
for (int i = 0; i < personCount; i++)
{
Person p = new Person(RandomString(12), RandomString(4), RandomString(8), rand.Next(1, 100), rand.Next(30, 140), rand.Next(100, 220));
persons.Add(p);
}
watch.Stop();
Console.WriteLine("Adding persons took: " + watch.ElapsedMilliseconds + "ms");
watch.Restart();
for (int i = 0; i < 1000; i++)
{
string nameToFind = RandomString(4);
Person p = persons.Find(x => x.Firstname == nameToFind);
if (p != null)
{
//Console.WriteLine("Found person with firstname " + nameToFind + " : " + p.Firstname + " " + p.Lastname);
}
/*foreach(Person somebody in persons)
* {
* //Console.Write(somebody.ToString());
* }
*/
}
watch.Stop();
Console.WriteLine("Finding persons took: " + watch.ElapsedMilliseconds + "ms");
//stores 1000 persons
Dictionary <string, Person> persons2 = new Dictionary <string, Person>();
watch.Restart();
for (int j = 0; j < personCount; j++)
{
do
{
Person k = new Person(RandomString(12), RandomString(4), RandomString(8), rand.Next(1, 100), rand.Next(30, 140), rand.Next(100, 220));
if (!persons2.ContainsKey(k.Firstname))
{
persons2.Add(k.Firstname, k);
break;
}
} while (true);
}
watch.Stop();
Console.WriteLine("Adding person to dictionary took " + watch.ElapsedMilliseconds + "ms");
//find 1000 names from the dictionary
watch.Restart();
for (int i = 0; i < 10000; i++)
{
string nameToFind = RandomString(4);
Person p = null;
persons2.TryGetValue(nameToFind, out p);
if (p != null)
{
//Console.WriteLine("Found person with firstname " + nameToFind + " : " + p.Firstname + " " + p.Lastname);
}
/*foreach(Person somebody in persons)
* {
* //Console.Write(somebody.ToString());
* }
*/
}
watch.Stop();
Console.WriteLine(persons2.Count + " Persons in dictionary");
Console.WriteLine("Finding persons from dictionary: " + watch.ElapsedMilliseconds + "ms");
Console.ReadLine();
}
static void Main(string[] args)
{
rand = new Random();
List<Person> persons = new List<Person>();
const int personCount = 1000000;
Stopwatch watch = new Stopwatch();
watch.Start();
for (int i = 0; i < personCount; i++)
{
Person p = new Person(RandomString(12), RandomString(4), RandomString(8), rand.Next(1, 100), rand.Next(30, 140), rand.Next(100, 220));
persons.Add(p);
}
watch.Stop();
Console.WriteLine("Adding persons took: " + watch.ElapsedMilliseconds + "ms");
watch.Restart();
for (int i = 0; i < 1000; i++)
{
string nameToFind = RandomString(4);
Person p = persons.Find(x => x.Firstname == nameToFind);
if (p != null)
{
//Console.WriteLine("Found person with firstname " + nameToFind + " : " + p.Firstname + " " + p.Lastname);
}
/*foreach(Person somebody in persons)
{
//Console.Write(somebody.ToString());
}
*/
}
watch.Stop();
Console.WriteLine("Finding persons took: " + watch.ElapsedMilliseconds + "ms");
//stores 1000 persons
Dictionary<string, Person> persons2 = new Dictionary<string, Person>();
watch.Restart();
for (int j = 0; j < personCount; j++)
{
do
{
Person k = new Person(RandomString(12), RandomString(4), RandomString(8), rand.Next(1, 100), rand.Next(30, 140), rand.Next(100, 220));
if (!persons2.ContainsKey(k.Firstname))
{
persons2.Add(k.Firstname, k);
break;
}
} while (true);
}
watch.Stop();
Console.WriteLine("Adding person to dictionary took " + watch.ElapsedMilliseconds + "ms");
//find 1000 names from the dictionary
watch.Restart();
for (int i = 0; i < 10000; i++)
{
string nameToFind = RandomString(4);
Person p = null;
persons2.TryGetValue(nameToFind, out p);
if (p != null)
{
//Console.WriteLine("Found person with firstname " + nameToFind + " : " + p.Firstname + " " + p.Lastname);
}
/*foreach(Person somebody in persons)
{
//Console.Write(somebody.ToString());
}
*/
}
watch.Stop();
Console.WriteLine(persons2.Count + " Persons in dictionary");
Console.WriteLine("Finding persons from dictionary: " + watch.ElapsedMilliseconds + "ms");
Console.ReadLine();
}