public void ILWDDoesCleanup()
{
var count = 100;
var ilwd = new IndexedLockedWeakDictionary <long, IndexedStorageValue>();
var wt = Task.Run(() =>
{
for (int i = 0; i < count; i++)
{
ilwd.TryAdd(i, new IndexedStorageValue(i, ilwd));
}
});
wt.Wait();
GC.Collect(2, GCCollectionMode.Forced, true, true);
GC.WaitForPendingFinalizers();
GC.Collect(2, GCCollectionMode.Forced, true, true);
GC.WaitForPendingFinalizers();
while (ilwd.Count > 0)
{
Console.WriteLine("Waiting...");
Thread.Sleep(15);
}
Assert.AreEqual(count, IndexedStorageValue.CleanUpCount);
}
public void WeakReferenceLookup()
{
// How bad is WR lookup
var d = new FastDictionary <long, object>();
// var ds = new DictionarySlim<long, object>();
var lockedWeakDictionary = new LockedWeakDictionary <long>();
var indexedLockedWeakDictionary = new IndexedLockedWeakDictionary <long, Dummy>();
var cd = new ConcurrentDictionary <long, object>();
var wcd = new ConcurrentDictionary <long, WeakReference <object> >();
//var wcd2 = new ConcurrentDictionary<long, WeakReference>();
var wcd3 = new ConcurrentDictionary <long, GCHandle>();
var locker = 0L;
var count = 1_000;
for (int i = 0; i < count; i++)
{
var obj = (object)new Dummy();
d.Add(i, obj);
// ds.GetOrAddValueRef(i) = obj;
cd.TryAdd(i, obj);
wcd.TryAdd(i, new WeakReference <object>(obj));
//wcd2.TryAdd(i, new WeakReference(obj));
var h = GCHandle.Alloc(obj, GCHandleType.Weak);
wcd3.TryAdd(i, h);
lockedWeakDictionary.TryAdd(i, obj);
// lockedWeakDictionary.TryAdd(i, obj);
}
var mult = 100_000;
for (int r = 0; r < 10; r++)
{
//var sum1 = 0.0;
//using (Benchmark.Run("CD", count * mult))
//{
// for (int i = 0; i < count * mult; i++)
// {
// if (cd.TryGetValue(i / mult, out var obj))
// {
// //sum1 += (int)obj;
// }
// else
// {
// Assert.Fail();
// }
// }
//}
//var sum2 = 0.0;
//using (Benchmark.Run("WCD", count * mult))
//{
// // Not so bad, this just needs to save something more in other places
// for (int i = 0; i < count * mult; i++)
// {
// wcd.TryGetValue(i / mult, out var wr);
// if (wr.TryGetTarget(out var tgt))
// {
// //sum2 += (int)tgt;
// }
// else
// {
// Assert.Fail();
// }
// }
//}
//Assert.AreEqual(sum1, sum2);
//var sum4 = 0.0;
//using (Benchmark.Run("WCD2", count * mult))
//{
// // Not so bad, this just needs to save something more in other places
// for (int i = 0; i < count * mult; i++)
// {
// wcd2.TryGetValue(i / mult, out var wr2);
// if (wr2.Target != null)
// {
// sum4 += (int)wr2.Target;
// }
// else
// {
// Assert.Fail();
// }
// }
//}
//Assert.AreEqual(sum1, sum4);
//var sum5 = 0.0;
WCD_H(count, mult, wcd3);
// Assert.AreEqual(sum1, sum5);
//var sum3 = 0.0;
//using (Benchmark.Run("LD", count * mult))
//{
// for (int i = 0; i < count * mult; i++)
// {
// lock (d)
// {
// if (d.TryGetValue(i / mult, out var obj))
// {
// sum3 += (int)obj;
// }
// else
// {
// Assert.Fail();
// }
// }
// }
//}
var sum6 = 0.0;
LWD(count, mult, lockedWeakDictionary);
//var sum7 = 0.0;
//using (Benchmark.Run("ILWD", count * mult))
//{
// for (int i = 0; i < count * mult; i++)
// {
// if (indexedLockedWeakDictionary.TryGetValue(i / mult, out var val))
// {
// //sum7 += (int)val.StorageIndex;
// }
// else
// {
// Assert.Fail();
// }
// }
//}
}
Benchmark.Dump();
Console.WriteLine(d.Count);
}
public void ILWDLookupBench()
{
var count = 10_000_000;
var values = new List <IndexedStorageValue>(count);
var ilwd = new IndexedLockedWeakDictionary <long, IndexedStorageValue>();
Task.Run(() =>
{
var wt = Task.Run(() =>
{
for (int i = 0; i < count; i++)
{
var value = new IndexedStorageValue(i, ilwd, true);
ilwd.TryAdd(i, value);
values.Add(value);
}
});
wt.Wait();
var rounds = 10L;
using (Benchmark.Run("By key", rounds * count))
{
for (int r = 0; r < rounds; r++)
{
for (int i = 0; i < count; i++)
{
ilwd.TryGetValue(i, out var value);
if (i != value.StorageKey)
{
Assert.Fail();
}
}
}
}
using (Benchmark.Run("By index", rounds * count))
{
for (int r = 0; r < rounds; r++)
{
for (int i = 0; i < count; i++)
{
var value = values[i];
ilwd.TryGetByIndex(value.StorageIndex, out var value1);
if (value.StorageKey != value1.StorageKey)
{
Assert.Fail();
}
}
}
}
values.Clear();
values = null;
}).Wait();
GC.Collect(2, GCCollectionMode.Forced, true, true);
GC.WaitForPendingFinalizers();
GC.Collect(2, GCCollectionMode.Forced, true, true);
GC.WaitForPendingFinalizers();
while (ilwd.Count > 0)
{
Console.WriteLine($"Waiting, cleaned so far: {IndexedStorageValue.CleanUpCount}");
Thread.Sleep(250);
}
Console.WriteLine($"Cleaned total: {IndexedStorageValue.CleanUpCount}");
Assert.AreEqual(count, IndexedStorageValue.CleanUpCount);
}
public IndexedStorageValue(long key, IndexedLockedWeakDictionary <long, IndexedStorageValue> storage, bool silent = false)
{
_key = key;
_storage = storage;
_silent = silent;
}