Performance numbers in the pub
time to read 2 min | 297 words
Originally posted at 3/31/2011

I am currently sitting with 3 guys in the pub, and the discussion naturally turned to performance. I asked all three the following question: “How many CLR objects can you create in one second?”

I got the following replies:

  • 2,000 objects per second
  • 50,000 objects per second
  • 100,000 objects per second

Then I sat down to check:

class Program
{
    static void Main(string[] args)
    {
        var sp = Stopwatch.StartNew();

        int i = 0;
        while(sp.ElapsedMilliseconds < 1000)
        {
            new MyClass();
            i++;
        }
        sp.Stop();
        Console.WriteLine("Created {0} in {1}", i, sp.Elapsed);
    }
}

public class MyClass
{
    public string A;
    public int B;
    public DateTime C;
}

The result?

Created 7,715,305 in 00:00:01

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