Added some performance tests

FastRngTests/Float/PerformanceTests.cs

@@ -20,7 +20,7 @@ namespace FastRngTests.Float
         [Category(TestCategories.PERFORMANCE)]
         public async Task Generate1MUniform()
         {
-            var rng = new MultiThreadedRng();
+            using var rng = new MultiThreadedRng();
             var data = new float[1_000_000];
             var stopwatch = new Stopwatch();
             Thread.Sleep(TimeSpan.FromSeconds(10)); // Warm-up phase of generator
@@ -30,8 +30,7 @@ namespace FastRngTests.Float
                 data[n] = await rng.GetUniform();
             
             stopwatch.Stop();
-            rng.StopProducer();
-            
+
             TestContext.WriteLine($"Generated 1M uniform distributed random numbers in {stopwatch.Elapsed.Minutes} minute(s), {stopwatch.Elapsed.Seconds} second(s), and {stopwatch.Elapsed.Milliseconds} milliseconds.");
         }
         
@@ -39,7 +38,7 @@ namespace FastRngTests.Float
         [Category(TestCategories.PERFORMANCE)]
         public async Task Generate1MNormal()
         {
-            var rng = new MultiThreadedRng();
+            using var rng = new MultiThreadedRng();
             var dist = new NormalS02M05();
             var data = new float[1_000_000];
             var stopwatch = new Stopwatch();
@@ -59,8 +58,8 @@ namespace FastRngTests.Float
         [Category(TestCategories.PERFORMANCE)]
         public async Task Generate1MChiSquare()
         {
-            var rng = new MultiThreadedRng();
-            var dist = new ChiSquareK4();
+            using var rng = new MultiThreadedRng();
+            var dist = new ChiSquareK4(); // TODO: Check the impact, when the rng gets set on ctor
             var data = new float[1_000_000];
             var stopwatch = new Stopwatch();
             Thread.Sleep(TimeSpan.FromSeconds(10)); // Warm-up phase of generator
@@ -70,8 +69,7 @@ namespace FastRngTests.Float
                 data[n] = await rng.NextNumber(dist);
             
             stopwatch.Stop();
-            rng.StopProducer();
-            
+
             TestContext.WriteLine($"Generated 1M chi-square distributed random numbers in {stopwatch.Elapsed.Minutes} minute(s), {stopwatch.Elapsed.Seconds} second(s), and {stopwatch.Elapsed.Milliseconds} milliseconds.");
         }