GUIDs generation performance test JFF

gistfile1.txt

18.10.2012 13:49:09: Starting generating of GUIDs
Time : Number of GUIDs
0: 0
175: 1200000
351: 2400000
520: 3600000
689: 4800000
860: 6000000
1030: 7200000
1200: 8400000
1370: 9600000
1539: 10800000
1709: 12000000
1878: 13200000
2047: 14400000
2217: 15600000
2388: 16800000
2557: 18000000
2727: 19200000
2896: 20400000
3066: 21600000
3234: 22800000
3404: 24000000
3573: 25200000
3742: 26400000
3912: 27600000
4082: 28800000
4252: 30000000
4421: 31200000
4590: 32400000
4759: 33600000
4928: 34800000
5097: 36000000
5267: 37200000
5436: 38400000
5604: 39600000
5774: 40800000
5944: 42000000
6113: 43200000
6282: 44400000
6452: 45600000
6621: 46800000
6790: 48000000
6960: 49200000
7129: 50400000
7298: 51600000
7467: 52800000
7636: 54000000
7805: 55200000
7976: 56400000
8145: 57600000
8314: 58800000
8483: 60000000
8652: 61200000
8821: 62400000
8992: 63600000
9162: 64800000
9331: 66000000
9501: 67200000
9670: 68400000
9840: 69600000
10010: 70800000
10179: 72000000
10349: 73200000
10518: 74400000
10687: 75600000
10857: 76800000
11027: 78000000
11196: 79200000
11366: 80400000
11535: 81600000
11705: 82800000
11874: 84000000
12044: 85200000
12213: 86400000
12384: 87600000
12553: 88800000
12723: 90000000
12892: 91200000
13062: 92400000
13231: 93600000
13401: 94800000
13569: 96000000
13738: 97200000
13907: 98400000
14077: 99600000
14247: 100800000
14416: 102000000
14585: 103200000
14754: 104400000
14924: 105600000
15094: 106800000
15265: 108000000
15441: 109200000
15616: 110400000
15790: 111600000
15965: 112800000
16140: 114000000
16316: 115200000
16492: 116400000
16668: 117600000
16841: 118800000

Took 17016ms to generate 120000000 Guids 7058823guids/s

Main.cs

        private static void Main(string[] args)
        {
            Console.WriteLine("Will generate 70M of Guids.\n\r Flushing timestamps for each 100k guids in one thread");

            long i = 0;

            long max = 120 * 1000000;
            long quant = max / 100l;

            var list = new Guid[max];

            using (var file = File.AppendText("stats.log"))
            {
                file.WriteLine("{0}: Starting generating of GUIDs", DateTime.UtcNow);
                file.WriteLine("Time : Number of GUIDs");
                var sw = new Stopwatch();
                sw.Start();

                while (i < max)
                {
                    if (i % quant == 0)
                    {
                        var message = string.Format("{0}: {1}", sw.ElapsedMilliseconds, i);
                        file.WriteLineAsync(message);
                        Console.WriteLine(message);
                    }

                    list[i] = Guid.NewGuid();

                    i++;
                }
                Console.WriteLine("Took {0}ms to generate {1} Guids {2}guids/s", sw.ElapsedMilliseconds, i, i/sw.Elapsed.Seconds);
                
            }
        }