public void HashPerformance()
{
//int[] series = new int[] {1000, 10000, 100000, 1000000, 10000000};
int[] series = new int[] { 1000, 10000 };
HashMapBenchmark util = new HashMapBenchmark();
Random ran = new Random();
for (int idx = 0; idx < series.Length; idx++)
{
GenericHashMap <object, object> map = util.createHashMap(series[idx]);
long start = DateTime.Now.Ticks;
for (int idz = 0; idz < 10000000; idz++)
{
String key = ran.Next(series[idx]).ToString();
Object val = map.Get(key);
}
long end = DateTime.Now.Ticks;
long el = end - start;
double perOp = (double)el / 10000000;
String fstring = (perOp * 1000000).ToString();
Console.WriteLine("Test for " + series[idx] + " items");
Console.WriteLine("elapsed time " + el + " millisecond");
Console.WriteLine("per lookup " + fstring + " nanosecond");
}
}
public void GenericHashPerformance()
{
//int[] series = new int[] {1000, 10000, 100000, 1000000, 10000000};
int[] series = new int[] { 1000, 10000 };
HashMapBenchmark util = new HashMapBenchmark();
Random ran = new Random();
for (int idx = 0; idx < series.Length; idx++)
{
GenericHashMap <string, string> map = util.createGenericHashMap(series[idx]);
long start = DateTime.Now.Ticks;
for (int idz = 0; idz < 10000000; idz++)
{
String key = ran.Next(series[idx]).ToString();
Object val = map.Get(key);
}
foreach (IHashMapEntry <string, string> entry in map)
{
string val = entry.Value;
}
List <String> keys = new List <String>(map.Count);
foreach (String key in map.Keys)
{
keys.Add(key);
string val = map[key];
}
foreach (String val in map.Values)
{
bool yes = map.ContainsValue(val);
}
foreach (String key in keys)
{
map.Remove(key);
}
long end = DateTime.Now.Ticks;
long el = end - start;
double perOp = (double)el / 10000000;
String fstring = (perOp * 1000000).ToString();
Console.WriteLine("Test for " + series[idx] + " items");
Console.WriteLine("elapsed time " + el + " millisecond");
Console.WriteLine("per lookup " + fstring + " nanosecond");
}
}