Benchmark C# Code Using Benchmarkdotnet: How To

Create a class containing the methods you want to compare. You must mark each method with the [Benchmark] attribute.

using BenchmarkDotNet.Running; var summary = BenchmarkRunner.Run (); Use code with caution. Copied to clipboard 4. Critical: Run in Release Mode How to benchmark C# code using BenchmarkDotNet

using BenchmarkDotNet.Attributes; using BenchmarkDotNet.Running; using System.Text; [MemoryDiagnoser] // Tracks RAM usage and GC collections public class StringBenchmarking { private const string Text = "Hello World"; [Benchmark] public string UseStringConcat() { string result = ""; for (int i = 0; i < 100; i++) result += Text; return result; } [Benchmark] public string UseStringBuilder() { var sb = new StringBuilder(); for (int i = 0; i < 100; i++) sb.Append(Text); return sb.ToString(); } } Use code with caution. Copied to clipboard 3. Initialize the Runner Create a class containing the methods you want to compare

Benchmarking in .NET is famously difficult because the JIT compiler and runtime perform many "hidden" optimizations. is the industry-standard library that automates the heavy lifting—like warm-ups, overhead removal, and statistical analysis—to give you reliable results. 1. Setup Your Benchmark Project Copied to clipboard 4

BenchmarkDotNet will refuse to run or give a stern warning if you are in Debug mode. Debug builds are significantly slower and lack the compiler optimizations that reflect real-world performance. dotnet run -c Release Use code with caution. Copied to clipboard 5. Essential Best Practices A Step by Step Guide to Benchmarking in .NET

In your Program.cs , call the BenchmarkRunner to execute your class.