sebastienros.jint/Jint.Benchmark/DictionaryBenchmark.cs

using System.Collections.Generic;
using Jint.Collections;
using BenchmarkDotNet.Attributes;

namespace Jint.Benchmark
{
    [MemoryDiagnoser]
    public class DictionaryBenchmark
    {
        private static readonly string[] _keys =
        {
            "some",
            "key and",
            "another",
            "varying",
            "---the --",
            "keys and more",
            "aa bbb",
            "asasd asd ",
            "asdsad asd as s",
            "asdadsasa",
            "23323232323",
            "asdadsada sa213"
        };

        [Params(0, 2, 3, 5, 8, 9, 10)]
        public int N { get; set; }

        [Benchmark]
        public void HybridDictionary()
        {
            var hybridDictionary = new HybridDictionary<string, object>();
            for (var i = 0; i < N; i++)
            {
                hybridDictionary.Add(_keys[i], _keys);
            }

            foreach (var key in _keys)
            {
                hybridDictionary.ContainsKey(key);
            }
        }

        [Benchmark]
        public void Dictionary()
        {
            var dictionary = new Dictionary<string, object>();
            for (var i = 0; i < N; i++)
            {
                dictionary.Add(_keys[i], _keys);
            }

            foreach (var key in _keys)
            {
                dictionary.ContainsKey(key);
            }
        }

        [Benchmark]
        public void StringDictionarySlim()
        {
            var dictionary = new StringDictionarySlim<object>();
            for (var i = 0; i < N; i++)
            {
                dictionary[_keys[i]] =_keys;
            }

            foreach (var key in _keys)
            {
                dictionary.ContainsKey(key);
            }
        }
    }
}