public static void MatchCollections()
{
MemoryProfiler memoryProfiler = MemoryProfiler.StartNew();
int itemCount = 10000000;
MatchCollection2 matches1 = Factory.CreateMatchCollection(Enumerable.Range(1, itemCount)
.Select(i => Factory.CreateMatch(i, i, "x")));
memoryProfiler.CollectGC();
Console.WriteLine("Matches: {0:#,##0}", matches1.Count);
displayMemoryProfiler(memoryProfiler, itemCount);
// 41 bytes/match (itemCount = 10,000,000)
// 36.9 bytes/match (itemCount = 13,000,000)
memoryProfiler.Reset();
Match2[] matches2 = Enumerable.Range(1, itemCount)
.Select(i => Factory.CreateMatch(i, i, "x"))
.ToArray();
memoryProfiler.CollectGC();
Console.WriteLine("Matches: {0:#,##0}", matches2.Length);
displayMemoryProfiler(memoryProfiler, itemCount);
// 36 bytes/match (itemCount = 10,000,000)
// 36 bytes/match (itemCount = 13,000,000)
memoryProfiler.Reset();
List <Match2> matches3 = Enumerable.Range(1, itemCount)
.Select(i => Factory.CreateMatch(i, i, "x"))
.ToList();
memoryProfiler.CollectGC();
Console.WriteLine("Matches: {0:#,##0}", matches3.Count);
displayMemoryProfiler(memoryProfiler, itemCount);
// 38.7 bytes/match (itemCount = 10,000,000)
// 37.2 bytes/match (itemCount = 13,000,000)
memoryProfiler.Reset();
List <int> ints1 = Enumerable.Range(1, itemCount)
.ToList();
memoryProfiler.CollectGC();
Console.WriteLine("Ints: {0:#,##0}", ints1.Count);
displayMemoryProfiler(memoryProfiler, itemCount);
// 6.7 bytes/match (itemCount = 10,000,000)
// 5.2 bytes/match (itemCount = 13,000,000)
memoryProfiler.Reset();
int[] ints2 = Enumerable.Range(1, itemCount)
.ToArray();
memoryProfiler.CollectGC();
Console.WriteLine("Ints: {0:#,##0}", ints2.Length);
displayMemoryProfiler(memoryProfiler, itemCount);
// 4 bytes/match (itemCount = 10,000,000)
// 4 bytes/match (itemCount = 13,000,000)
}