public void BitPseudoLru_cache_half(int x)
{
var pm = new PerformaceMonitor(start: true);
var cache = new BitPseudoLruMap <string, string>(valueIsKey.WithThunderingHerdProtection(), keys.Length / 2);
ReadMixKeys(keys, cache);
pm.Stop();
Console.WriteLine(pm.Report(keys.Length, cache.Count) + $", {valueIsKey.HitCount} hits to underlying data source");
GC.KeepAlive(cache);
GC.KeepAlive(keys);
}
public void BitPseudoLru_cache_half(int items)
{
string[] keys = CreateKeyStrings(items);
var pm = new PerformaceMonitor(start: true);
var cache = new BitPseudoLruMap <string, string>(valueIsKey, items / 2);
ReadMixKeys(keys, cache);
pm.Stop();
Console.WriteLine(pm.Report(items, cache.Count));
GC.KeepAlive(cache);
GC.KeepAlive(keys);
}
public void BitPseudoLru_cache_memory_overhead(int items)
{
var sw = new Stopwatch();
string[] keys = CreateKeyStrings(items);
var starting = GC.GetTotalMemory(true);
sw.Start();
var cache = new BitPseudoLruMap <string, string>(valueIsKey, items);
foreach (var key in keys)
{
Assert.AreEqual(key, cache[key]);
}
sw.Stop();
var allocated = GC.GetTotalMemory(false) - starting;
var held = GC.GetTotalMemory(true) - starting;
Console.WriteLine($"Took {sw.ElapsedMilliseconds:N0} ms, {items} added to cache, {cache.Count} item in the cache, allocated {allocated:N0} bytes, holding {held:N0} bytes, overhead per item {held / (double)items:N2} bytes");
GC.KeepAlive(cache);
GC.KeepAlive(keys);
}
