CheckPerfomanceRunCryptoGuidCreation (original conversion).cs

int GUIDS_TO_CREATE = 1000000; //10000000;


//The code below was converted from https://gist.github.com/kofisarfo/5420710

//public static class CSPRNG {
//public static byte[] GetBytes(int entropy) 
Func<int, byte[]> GetBytes = 
	(entropy)=>{
	                if (entropy < 8) {
	                    throw new ArgumentOutOfRangeException("entropy",
	                        "Entropy must be 64 bits or greater to be cryptographically secure.");
	                }
	                using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) {
	                    byte[] _obj = new byte[entropy];
	                    _rng.GetBytes(_obj);
	                    return _obj;
	                }
	            };
 
//public static Guid GetGuid() {
Func<Guid> GetGuid = 
	()=>{
            using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) {
                byte[] _obj = new byte[16];
                _rng.GetBytes(_obj);
                return new Guid(_obj);
            }
        };
 
//public static long GetInt64(bool allowNegativeValue = false) 
Func<bool, long>  GetInt64 = 
	(allowNegativeValue)=>{
				                using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) 
				                {
				                    byte[] _obj = new byte[8];
				                    _rng.GetBytes(_obj);
				                    long _num = BitConverter.ToInt64(_obj, 0);
				                    if (!allowNegativeValue) {
				                        _num = (_num & ~(1L << 63));
				                    }
				                    return _num;
				                }    
						}; 

// private static void RunGuidCreation(Stopwatch watch)
Action<Stopwatch> RunGuidCreation = 
	(watch) =>{
					Console.WriteLine("==== Starting RunGuidCreation".lineBeforeAndAfter());
		            var guids = new List<Guid>();
		            for (var i = 0; i < GUIDS_TO_CREATE; i++)
		            {
		                guids.Add(Guid.NewGuid());
		            }
		            Console.WriteLine("RunGuidCreation for {0}: {1:n0} ms".format(GUIDS_TO_CREATE, watch.ElapsedMilliseconds));
		        };
//  private static void RunCryptoGuidCreation(Stopwatch watch) { 
Action<Stopwatch>RunCryptoGuidCreation= 
	(watch)=>{
				Console.WriteLine("==== Starting RunCryptoGuidCreation".lineBeforeAndAfter());
		        var guids = new List<Guid>();
		        for (var i = 0; i < GUIDS_TO_CREATE; i++)  
		        {		
		            //guids.Add(CSPRNG.GetGuid());
		            guids.Add(GetGuid());
		        }
		        Console.WriteLine("RunCryptoGuidCreation: {0}: {1:n0} ms".format(GUIDS_TO_CREATE, watch.ElapsedMilliseconds));
		    }; 
 
 //static void Main(string[] args)
Action Main = 
	()=>{
			var watch = Stopwatch.StartNew();
			
			RunGuidCreation(watch);
			RunCryptoGuidCreation(watch);
			
		};

//using System;
//using System.Collections.Generic;
//using System.Diagnostics;
//using System.Security.Cryptography;
//using System.Threading.Tasks;

//Above is the original script converted
//Below is the capture of console out
"console out".popupWindow().add_ConsoleOut();


Main();
GUIDS_TO_CREATE = 5000;
Main();

CheckPerfomanceRunCryptoGuidCreation (with more tests).cs

int GUIDS_TO_CREATE = 1000000; //10000000;


//The code below was converted from https://gist.github.com/kofisarfo/5420710

//public static class CSPRNG {
//public static byte[] GetBytes(int entropy) 
Func<int, byte[]> GetBytes = 
	(entropy)=>{
	                if (entropy < 8) {
	                    throw new ArgumentOutOfRangeException("entropy",
	                        "Entropy must be 64 bits or greater to be cryptographically secure.");
	                }
	                using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) {
	                    byte[] _obj = new byte[entropy];
	                    _rng.GetBytes(_obj);
	                    return _obj;
	                }
	            };
 
//public static Guid GetGuid() {
Func<Guid> GetGuid = 
	()=>{
            using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) {
                byte[] _obj = new byte[16];
                _rng.GetBytes(_obj);
                return new Guid(_obj);
            }
        };
 
//public static long GetInt64(bool allowNegativeValue = false) 
Func<bool, long>  GetInt64 = 
	(allowNegativeValue)=>{
				                using (RNGCryptoServiceProvider _rng = new RNGCryptoServiceProvider()) 
				                {
				                    byte[] _obj = new byte[8];
				                    _rng.GetBytes(_obj);
				                    long _num = BitConverter.ToInt64(_obj, 0);
				                    if (!allowNegativeValue) {
				                        _num = (_num & ~(1L << 63));
				                    }
				                    return _num;
				                }    
						}; 

// private static void RunGuidCreation(Stopwatch watch)
Action<Stopwatch> RunGuidCreation = 
	(watch) =>{
					Console.WriteLine("");//"==== Starting RunGuidCreation".lineBeforeAndAfter());
		            var guids = new List<Guid>();
		            for (var i = 0; i < GUIDS_TO_CREATE; i++)
		            {
		                guids.Add(Guid.NewGuid());
		            }
		            Console.WriteLine("RunGuidCreation    for {0}: {1:n0} ms".format(GUIDS_TO_CREATE, watch.ElapsedMilliseconds));
		        };
//  private static void RunCryptoGuidCreation(Stopwatch watch) { 
Action<Stopwatch>RunCryptoGuidCreation= 
	(watch)=>{
				//Console.WriteLine("==== Starting RunCryptoGuidCreation".lineBeforeAndAfter());
		        var guids = new List<Guid>();
		        for (var i = 0; i < GUIDS_TO_CREATE; i++)  
		        {		
		            //guids.Add(CSPRNG.GetGuid());
		            guids.Add(GetGuid());
		        }
		        	Console.WriteLine("RunCryptoGuidCreation: {0}: {1:n0} ms".format(GUIDS_TO_CREATE, watch.ElapsedMilliseconds));
		    }; 
 
 //static void Main(string[] args)
Action Main = 
	()=>{
			var watch = Stopwatch.StartNew();
			
			RunGuidCreation(watch);
			RunCryptoGuidCreation(watch);
			
		};

//using System;
//using System.Collections.Generic;
//using System.Diagnostics;
//using System.Security.Cryptography;
//using System.Threading.Tasks;

//Above is the original script converted
//Below is the capture of console out
"console out".popupWindow().add_ConsoleOut();

GUIDS_TO_CREATE = 1;
Main();
GUIDS_TO_CREATE = 1;
Main();
GUIDS_TO_CREATE = 5;
Main();
GUIDS_TO_CREATE = 25;
Main();
GUIDS_TO_CREATE = 50;
Main();
GUIDS_TO_CREATE = 100;
Main();
GUIDS_TO_CREATE = 200;
Main();

here is this script running online: http://csharp-repl.apphb.com/37