public void TryGetValue()
{
string actual;
var dict = new Dictionary <int, string>();
for (int i = 0; i < 10; i++)
{
dict[i] = i.ToString();
}
dict.TryGetValue(2, out actual);
var sw = Stopwatch.StartNew();
var n = 1000000;
for (int i = 0; i < n; i++)
{
dict.TryGetValue(i % 10, out actual);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| dict.TryGetValue(i % 10, out actual) {n:N0} times {sw.ElapsedMilliseconds} ms");
var cdict = new ConcurrentDictionary <int, string>();
for (int i = 0; i < 10; i++)
{
cdict[i] = i.ToString();
}
cdict.TryGetValue(2, out actual);
sw.Restart();
for (int i = 0; i < n; i++)
{
cdict.TryGetValue(i % 10, out actual);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| cdict.TryGetValue(i % 10, out actual); {n:N0} times {sw.ElapsedMilliseconds} ms");
var slist = new SortedList <int, string>();
for (int i = 0; i < 10; i++)
{
slist[i] = i.ToString();
}
slist.TryGetValue(2, out actual);
sw.Restart();
for (int i = 0; i < n; i++)
{
slist.TryGetValue(i % 10, out actual);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| slist.TryGetValue(i % 10, out actual); {n:N0} times {sw.ElapsedMilliseconds} ms");
var array = new KeyValuePair <int, string> [10];
for (int i = 0; i < 10; i++)
{
array[i] = new KeyValuePair <int, string>(i, i.ToString());
}
var kvp = Array.Find(array, x => x.Key == 2);
sw.Restart();
for (int i = 0; i < n; i++)
{
kvp = Array.Find(array, x => x.Key == i % 10);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| Array.Find(array, x => x.Key == i % 10) {n:N0} times {sw.ElapsedMilliseconds} ms");
sw.Restart();
var kvpComparer = new KvpComparer();
for (int i = 0; i < n; i++)
{
var j = Array.BinarySearch(array, array[i % 10], kvpComparer);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| Array.BinarySearch(array, array[i % 10]) {n:N0} times {sw.ElapsedMilliseconds} ms");
sw.Restart();
for (int i = 0; i < n; i++)
{
var j = array.BinarySearchBy(x => x.Key, i % 10);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| array.BinarySearchBy(x => x.Key, i % 10 {n:N0} times {sw.ElapsedMilliseconds} ms");
sw.Restart();
for (int i = 0; i < n; i++)
{
kvp = array.First(x => x.Key == i % 10);
}
sw.Stop();
Console.WriteLine($"// {DateTime.Today.ToShortDateString()}| array.First(x => x.Key == i % 10) {n:N0} times {sw.ElapsedMilliseconds} ms");
}