Error running BDN

[emiliovmq]

Don't know what I'm doing wrong here but every time I run BDN it fails with the following exception:
Note: I had to recur to insert images as adding content as code didn't work.

this is how my csproj file looks like:

this is the only benchmark I have so far:

and this is the program.cs content:

and no matter what command I run it always fails (below some of the commands used)
1 - dotnet benchmark Solutions.Benchmarks.dll --job default --runtimes netcoreapp3.1 --memory --exporters HTML --filter Solutions.Benchmarks.SortAlgoritms.MergeSortBenchmarks

2 - dotnet benchmark Solutions.Benchmarks.dll --filter *

3 - dotnet run -c Release -- --job Default --runtimes netcoreapp3.1 --memory --exporters HTML --filter Solutions.Benchmarks.SortAlgoritms.MergeSortBenchmarks

As you can see my setup is very simple, in the past I've configured BDN and it has worked like a charm. Don't know what's happening here. Could you take a look at this, please?

[adamsitnik]

Hi @emiliovmq

Could you please run the following command in a folder with the project that defines the Program.cs that you have provided above and share the output?

dotnet run -c Release --filter * --job dry

[emiliovmq]

Hi @adamsitnik, thanks for your quick reply

I ran your command and, at first instance, it seemed to me the error had to do with the method used as the argument source. I applied a change to the code - following the samples in the documentation - and it worked, but it only works using the command you provided. If I use any of the commands I normally use it fails again.

So, this is how my benchmark methods look like now:

[Benchmark]
[ArgumentsSource(nameof(InputData))]
public void Version2(int[] input. int length)
{
    MergeSort.Version2.Sort(input);
}

[Benchmark]
[ArgumentsSource(nameof(InputData))]
public void Version1(int[] input. int length)
{
    MergeSort.Version1.Sort(input);
}

This is the input data method:

public IEnumerable<object[]> InputData()
{
    yield return new object[] { new int[] { 1 }, 1 };
     yield return new object[] { new int[] { 10, 5, 4, 3, 11, 2, 1 }, 7 };
    yield return new object[] { new int[] { 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }, 12 };
    yield return new object[] { new int[] { -11, 10, 9, -8, 7, 6, 5, -4, 3, 2, -1, 0 }, 12 };

    Random randNum = new Random();
    yield return new object[] { Enumerable.Repeat(0, 200).Select(i => randNum.Next(int.MinValue, int.MaxValue)).ToArray(), 200 };
}

If I use your command, everything works as expected:

dotnet run -c Release --filter * --job dry

but using:

dotnet benchmark Solutions.Benchmarks.dll --job default --runtimes netcoreapp3.1 --memory --exporters HTML --filter Solutions.Benchmarks.SortAlgoritms.MergeSortBenchmarks

or

dotnet benchmark Solutions.Benchmarks.dll --runtimes netcoreapp3.1 --filter Solutions.Benchmarks.SortAlgoritms.MergeSortBenchmarks

or simply

dotnet benchmark Solutions.Benchmarks.dll --filter *

it always fails with the following exception:

Nothing changed in my project configuration...

[emiliovmq]

Hi, any news on this?

[adamsitnik]

Hi @emiliovmq

There are few ways of running the benchmarks: https://benchmarkdotnet.org/articles/guides/how-to-run.html

I personally recommend using BenchmarkSwitcher because it's simple and it always works.

When it comes to dotnet benchmark command it's using dynamic assembly loading which for some reason fails in your case.

Please switch to using BenchmarkSwitcher and dotnet run

@CodeTherapist could you please take a look at the error that @emiliovmq is getting?