LINQBenchmarks.cs

using System.Collections.Generic;
using System.Linq;
using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Columns;
using BenchmarkDotNet.Configs;
using BenchmarkDotNet.Jobs;
using BenchmarkDotNet.Reports;

namespace BenchmarkDotNet.Samples
{
    [Config(typeof(Config))]
    [SimpleJob(RuntimeMoniker.Net60, baseline:true)]
    [SimpleJob(RuntimeMoniker.Net70)]
    public class LINQBenchmarks
    {
        [Params(1000)]
        public int Length { get; set; }

        private IEnumerable<int> _source;

        [GlobalSetup]
        public void Setup() => _source = Enumerable.Range(1, Length).ToArray();

        [Benchmark]
        public int Min() => _source.Min();

        [Benchmark]
        public int Max() => _source.Max();

        [Benchmark]
        public float Sum() => _source.Sum();

        [Benchmark]
        public double Average() => _source.Average();

        private class Config : ManualConfig
        {
            public Config()
            {
                SummaryStyle =
                    SummaryStyle.Default.WithRatioStyle(RatioStyle.Percentage);
            }
        }
    }
}