Benchmark organization improvements to reuse code.

Recyclable.Collections.Benchmarks/BenchmarkBase.cs

@@ -1,4 +1,6 @@
-using Recyclable.Collections.Benchmarks.POC;
+using BenchmarkDotNet.Attributes;
+using Recyclable.Collections.Benchmarks.Core;
+using Recyclable.Collections.Benchmarks.POC;
 
 namespace Recyclable.Collections.Benchmarks
 {
@@ -25,9 +27,26 @@ namespace Recyclable.Collections.Benchmarks
 			}
 		}
 
-		protected static void DoNothing<T>(T obj)
+		[GlobalSetup]
+		public virtual void Setup()
 		{
-			_ = obj;
+			Console.WriteLine("******* GLOBAL SETUP *******");
+			_testObjects = DataGenerator.EnumerateTestObjects(TestObjectCount);
+			Console.WriteLine("******* TEST DATA CREATED *******");
+		}
+
+		[GlobalCleanup]
+		public virtual void Cleanup()
+		{
+			Console.WriteLine("******* GLOBAL CLEANUP *******");
+			// Enable this if item type is changed to reference type
+			//if (_testObjects != null)
+			//{
+			//	Array.Fill(_testObjects, 0);
+			//}
+
+			_testObjects = default;
+			GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced, true, true);
 		}
 	}
 

Recyclable.Collections.Benchmarks/Benchmarks/RecyclableCollections.Benchmarks.cs

@@ -13,11 +13,9 @@ namespace Recyclable.Collections.Benchmarks
 
 		public PooledList<long> TestObjectsAsPooledList => _testPooledList ?? throw new NullReferenceException("Something is wrong and the field is not initialized");
 
-		[GlobalSetup]
+		public override void Setup()
-		public void Setup()
 		{
-			Console.WriteLine("******* GLOBAL SETUP RAISED *******");
+			base.Setup();
-			_testObjects = EnumerateTestObjects().ToArray();
 			_testRecyclableArrayList = new(TestObjects, initialCapacity: TestObjectCount);
 			_testRecyclableList = new(TestObjects, BlockSize, expectedItemsCount: TestObjectCount);
 			_testArray = TestObjects.ToArray();
@@ -27,18 +25,8 @@ namespace Recyclable.Collections.Benchmarks
 			_testPooledList = new PooledList<long>(TestObjects, ClearMode.Always);
 		}
 
-		private IEnumerable<long> EnumerateTestObjects()
+		public override void Cleanup()
 		{
-			for (long i = 0; i < TestObjectCount; i++)
-			{
-				yield return i;
-			}
-		}
-
-		[GlobalCleanup]
-		public void Cleanup()
-		{
-			Console.WriteLine("******* GLOBAL CLEANUP *******");
 			_testRecyclableArrayList?.Dispose();
 			_testRecyclableList?.Dispose();
 			_testPooledList?.Dispose();
@@ -46,7 +34,7 @@ namespace Recyclable.Collections.Benchmarks
 			_testObjectsAsRecyclableArrayList = default;
 			_testObjectsAsRecyclableList = default;
 			_testObjectsAsList = default;
-			_testObjects = default;
+			base.Cleanup();
 		}
 	}
 }

Recyclable.Collections.Benchmarks/Core/DataGenerator.cs

@@ -0,0 +1,20 @@
+namespace Recyclable.Collections.Benchmarks.Core
+{
+    public class DataGenerator
+    {
+		public static long[] EnumerateTestObjects(long testObjectCount)
+		{
+			var result = new long[testObjectCount];
+			Console.WriteLine("******* TEST DATA ARRAY CREATED *******");
+
+			Span<long> resultSpan = result;
+			for (int i = 0; i < testObjectCount; i++)
+			{
+				resultSpan[i] = i;
+			}
+
+			return result;
+		}
+
+    }
+}

Recyclable.Collections.Benchmarks/POC/PocBenchmarkBase.cs

@@ -1,4 +1,6 @@
-namespace Recyclable.Collections.Benchmarks.POC
+using System.Runtime.CompilerServices;
+
+namespace Recyclable.Collections.Benchmarks.POC
 {
 	public class PocBenchmarkBase
 	{
@@ -21,5 +23,11 @@
 			> 0 and <= 10 => (int)TestObjectCount,
 			_ => TestObjectCount / Divider > 0 ? checked((int)(TestObjectCount / Divider)) : checked((int)TestObjectCount)
 		};
+
+		[MethodImpl(MethodImplOptions.NoInlining)]
+		protected static void DoNothing<T>(in T item)
+		{
+			_ = item;
+		}
 	}
 }