DictionaryBenchMarker

program.cs

using BenchmarkDotNet.Attributes;
using BenchmarkDotNet.Running;
using System;
using System.Collections.Generic;
using System.Linq;

namespace DictionaryBenchMarker
{
    internal class Program
    {
        static void Main(string[] args)
        {
            var summary = BenchmarkRunner.Run<DictioanryBenchmarker>();
        }
    }

    [MemoryDiagnoser]
    public class DictioanryBenchmarker
    {       
        [Benchmark]
        public List<int> BenchToListTuple()
        {
            List<(string key, int value)> list = new List<(string, int)>();
            for (int i = 1; i < 20000; i++)
            {
                list.Add(($"{i}_Bora", 5345 + i));
                list.Add(($"{i}_Mehmet", 6666 + i));
            }
            Random random = new Random();
            List<int> customerIDList = new List<int>();
            for (int i2 = 0; i2 < 100; i2++)
            {
                int randomNumber = random.Next(0, 20000);
                var item = list.FirstOrDefault(item => item.key == $"{randomNumber}_Bora");
                var item2 = list.FirstOrDefault(item => item.key == $"{randomNumber}_Mehmet");
                customerIDList.Add(item.value);
                customerIDList.Add(item2.value);
            }
            return customerIDList;
        }
       
        [Benchmark]
        public List<int> BenchToDictioanry()
        {
            Dictionary<string, int> list = new Dictionary<string, int>();
            for (int i = 1; i < 20000; i++)
            {
                list.Add($"{i}_Bora", 5345 + i);
                list.Add($"{i}_Mehmet", 6666 + i);
            }
            Random random = new Random();
            List<int> customerIDList = new List<int>();
            for (int i2 = 0; i2 < 100; i2++)
            {
                int randomNumber = random.Next(0, 20000);
                var item = list.Any(x => x.Key.Equals($"{randomNumber}_Bora")) ? list[$"{randomNumber}_Bora"] : 0;
                var item2 = list.Any(x => x.Key.Equals($"{randomNumber}_Mehmet")) ? list[$"{randomNumber}_Mehmet"] : 0;
                customerIDList.Add(item);
                customerIDList.Add(item2);
            }
            return customerIDList;
        }
        
        [Benchmark]
        public List<int> BenchToDictioanryTryGetvalue()
        {
            Dictionary<string, int> list = new Dictionary<string, int>();
            for (int i = 1; i < 20000; i++)
            {
                list.Add($"{i}_Bora", 5345 + i);
                list.Add($"{i}_Mehmet", 6666 + i);
            }
            Random random = new Random();
            List<int> customerIDList = new List<int>();
            for (int i2 = 0; i2 < 100; i2++)
            {
                int randomNumber = random.Next(0, 20000);
                var item = list.TryGetValue($"{randomNumber}_Bora", out int value);
                var item2 = list.TryGetValue($"{randomNumber}_Mehmet", out int value2);
                customerIDList.Add(item ? value : 0);
                customerIDList.Add(item2 ? value2 : 0);
            }
            return customerIDList;
        }
    }
}