private static void GetOrAddFuncBenchRndCD()
{
var dict = new Concurrent.ConcurrentDictionary <int, string>();
var cnt = new Counter32();
var benchmarkName = "======== Random GetOrAdd Func Concurrent 1M int->string Ops/sec:";
Action <int, int> act = (i, threadBias) =>
{
// get some random index in [0, 1000000]
int randomIndex = GetRandomIndex(i, threadBias, 1000000);
dict.GetOrAdd(randomIndex, (_) => "qq");
// after making about 1000000 adds, start with a new table
var c = cnt;
c.Increment();
if (Every8K(i) && c.Value > 1000000)
{
if (Interlocked.CompareExchange(ref cnt, new Counter32(), c) == c)
{
dict = new Concurrent.ConcurrentDictionary <int, string>();
}
}
};
RunBench(benchmarkName, act);
}
private static void GetBenchCD_int()
{
var dict = new Concurrent.ConcurrentDictionary <int, int>();
Parallel.For(0, 100000, (i) => dict[i] = i);
Parallel.For(0, 100000, (i) => { var dummy = dict[i]; });
var benchmarkName = "======== Get Concurrent int->int 1M Ops/sec:";
Action <int, int> act = (i, threadBias) => { var dummy = dict[i % 100000]; };
RunBench(benchmarkName, act);
}
private static void WriteBenchRndCD()
{
var dict = new Concurrent.ConcurrentDictionary <int, string>();
var benchmarkName = "======== Random Write Concurrent 1M int->string Ops/sec:";
Action <int, int> act = (i, threadBias) =>
{
// get some random index in [0, 1000000]
int randomIndex = GetRandomIndex(i, threadBias, 1000000);
dict[randomIndex] = "qq";
dict[randomIndex] = "aa";
};
RunBench(benchmarkName, act);
}
private static void GetBenchCDObj()
{
var dict = new Concurrent.ConcurrentDictionary<object, string>();
var keys = new string[200000];
for (int i = 0; i < keys.Length; i++) keys[i] = i.ToString();
Parallel.For(0, 100000, (i) => dict[keys[i]] = i.ToString());
Parallel.For(0, 100000, (i) => { var dummy = dict[keys[i]]; });
var benchmarkName = "======== Get Concurrent 1M Ops/sec:";
Action<int, int> act = (i, threadBias) => { var dummy = dict[keys[i % 100000]]; };
RunBench(benchmarkName, act);
}
private static void GetBenchRndCD()
{
var dict = new Concurrent.ConcurrentDictionary <int, string>();
Parallel.For(0, 100000, (i) => dict[i] = "qq");
Parallel.For(0, 100000, (i) => { var dummy = dict[i]; });
var benchmarkName = "======== Random Get Concurrent 1M int->string Ops/sec:";
Action <int, int> act = (i, threadBias) =>
{
string dummy;
int randomIndex = GetRandomIndex(i, threadBias, 100000);
dict.TryGetValue(randomIndex, out dummy);
};
RunBench(benchmarkName, act);
}
static void Main(string[] args)
{
StandardC.ArrayList standardArrayList = new StandardC.ArrayList();
StandardC.Hashtable standardHashtable = new StandardC.Hashtable();
StandardC.Queue standardQueue = new StandardC.Queue();
StandardC.Stack standardStack = new StandardC.Stack();
Generic.Dictionary <int, string> genericDictionary = new Generic.Dictionary <int, string>();
Generic.List <int> genericList = new Generic.List <int>();
Generic.Queue <int> genericQueue = new Generic.Queue <int>();
Generic.SortedList <int, string> genericSortedList = new Generic.SortedList <int, string>();
Generic.Stack <int> genericStack = new Generic.Stack <int>();
Concurrent.BlockingCollection <int> concurrentBlockingCollection = new Concurrent.BlockingCollection <int>();
Concurrent.ConcurrentDictionary <int, string> concurrentDictionary = new Concurrent.ConcurrentDictionary <int, string>();
Concurrent.ConcurrentQueue <int> concurrentQueue = new Concurrent.ConcurrentQueue <int>();
Concurrent.ConcurrentStack <int> concurrentStack = new Concurrent.ConcurrentStack <int>();
Console.WriteLine("Hello World!");
}
private static void SingleThreadedSequentialAddWithGapsCD()
{
var dict = new Concurrent.ConcurrentDictionary <int, int>();
for (var i = 0; i < 8; ++i)
{
Stopwatch sw = Stopwatch.StartNew();
var key = (i + 1) * 50_000_000;
for (var j = 0; j < 10_000_000; ++j)
{
dict.TryAdd(key + j, j);
}
sw.Stop();
System.Console.Write(sw.ElapsedMilliseconds + " ");
GC.Collect();
}
System.Console.WriteLine();
}