Benchmarks added & reorganized.

POC/LessOperatorVsAndOperatorBenchmarks.cs

@@ -0,0 +1,48 @@
+// Ignore Spelling: Poc
+
+using BenchmarkDotNet.Attributes;
+using Collections.Benchmarks.Core;
+
+#pragma warning disable CA1822
+
+namespace Recyclable.Collections.Benchmarks.POC
+{
+	public class LessOperatorVsAndOperatorBenchmarks
+	{
+		private const int BitShift = 1 << 31;
+		private static readonly Random _rnd = new(1);
+		private static int _num = -Math.Abs(_rnd.Next());
+
+		public void Setup()
+		{
+			_num = -1;
+			Console.WriteLine($"*** We're comparing if {_num} is < 0 ***");
+		}
+
+		public void Cleanup() { }
+
+		[Benchmark(Baseline = true)]
+		public void CompareWithLess()
+		{
+			DoNothing.With(_num < 0);
+		}
+
+		[Benchmark]
+		public void CompareWithAnd()
+		{
+			DoNothing.With((_num & BitShift) != 0);
+		}
+
+		[Benchmark]
+		public void CompareWithEqual()
+		{
+			DoNothing.With(_num == -1);
+		}
+
+		[Benchmark]
+		public void CompareToZero()
+		{
+			DoNothing.With(_num == 0);
+		}
+	}
+}