![]() When you run this command, the benchmarking process kicks off and displays the output after the benchmarking process has been executed successfully. Figure 4 below shows the output with RankColumn added. ![]() dotnet run -p BenchmarkDotNetDemo.csproj -c Release Run the benchmarking process again using the following command. This will add an extra column to the output indicating which method was faster. Now add the RankColumn attribute on top of the MemoryBenchmarkerDemo class. Another view of BenchmarkDotNet benchmark results. ![]() You can also see that there are many more allocations after running the ConcatStringUsingStringBuilder method. On examining the results shown in Figure 3, you can see that the ConcatStringUsingGenericList is much faster than the ConcatStringUsingStringBuilder method. Summary of BenchmarkDotNet benchmark results.Īs evident from the summary shown in Figure 2, for each benchmarked method, you will see a row of data that specifies the performance metrics such as mean execution time, Gen 0, Gen 1, Gen 2 collections, etc. NET version, compiler information, and information related to the performance of the application.Ī few files will also be created in the BenchmarkDotNet.Artifacts folder under the application’s root folder. The summary section contains information related to the environment in which the benchmarks were executed, such as the BenchmarkDotNet version, operating system, computer hardware. Once the execution of the benchmarking process is complete, a summary of the results will be displayed at the console window. And you’ll be presented with the same error shown in Figure 1. Note that if you don’t specify the configuration parameter then the runtime will attempt to do benchmarking on non-optimized, debug-mode code. dotnet run -p BenchmarkDotNetDemo.csproj -c Releaseįor best results, you should make sure that all applications are closed and all unnecessary processes stopped prior to running benchmarks. To run benchmarking, specify the following command at the Visual Studio command prompt. Hence you should run your project in the release mode only. The C# compiler does a few optimizations in release mode that are not available in debug mode. The reason is that during compilation the code is optimized differently for both debug and release modes. When benchmarking you should always ensure that you run your project in release mode. Running benchmark code in debug mode will result in an error. If you run the application in debug mode, here’s the error message you’ll see: IDGįigure 1. Note that when you create the console application project, the resulting Program class (generated automatically in the Program.cs file) will look like this: class Program Run the benchmark in your. NET Core console application project in Visual Studio 2019.
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