private static void CheckLoad(IHashedDataStore dataStructure, Stopwatch watch)
{
Trace.WriteLine($"\tloading {Capacity} records into data structure");
var beforeBytes = GC.GetTotalMemory(forceFullCollection: true);
watch.Start();
Enumerable.Range(start: 0, count: Capacity)
.Select(i => i.ToString())
.ToList()
.ForEach(dataStructure.Add);
watch.Stop();
var afterBytes = GC.GetTotalMemory(forceFullCollection: true);
double usage = afterBytes - beforeBytes;
var suffix = "bytes";
if (usage > 1024 * 1024)
{
usage /= (1024 * 1024D);
suffix = "MB";
}
else if (usage > 1024)
{
usage /= (1024D);
suffix = "KB";
}
Trace.WriteLine($"\tEstimated memory usage : {usage:F} {suffix}");
Trace.WriteLine($"\tLoad time : {watch.Elapsed.TotalSeconds:F} seconds");
}
private static void CheckContains(IHashedDataStore dataStructure, Stopwatch watch)
{
Trace.WriteLine($"\tChecking {AmountToCheck} records for their presence in the data structure");
watch.Start();
for (var i = 0; i < AmountToCheck; i++)
{
dataStructure.Contains(i.ToString());
}
watch.Stop();
}
private static void TestDataStructure(IHashedDataStore dataStructure)
{
var watch = new Stopwatch();
CheckLoad(dataStructure, watch);
CheckContains(dataStructure, watch);
var speed = AmountToCheck / watch.Elapsed.TotalMinutes;
Trace.WriteLine($"\tCheck time : {watch.Elapsed.TotalSeconds:F} (or {speed / 1000000D:F} million records per minute)");
}
