Распределение задачи по ядрам - C#

private void button1_Click(object sender, EventArgs e)
{
    openFileDialog1.InitialDirectory = Application.StartupPath + @"\Data\";
    openFileDialog1.Filter = @"txt files (*.txt)|*.txt";
    openFileDialog1.FilterIndex = 1;
    openFileDialog1.RestoreDirectory = true;
    if (openFileDialog1.ShowDialog() != DialogResult.OK) return;
    var npcPath = Application.StartupPath + @"\Data\npcdata.txt";
    var clearSpawnPath = Application.StartupPath + @"\Data\clear_spawn.txt";
    Parse(openFileDialog1.FileName, npcPath, clearSpawnPath);
}
 
private void Parse(string spawnPath, string npcPath, string clearSpawnPath)
{
    richTextBox1.Clear();
 
    richTextBox1.AppendText(DateTime.Now + " Loading npcdata.txt...");
    if (!File.Exists(npcPath))
    {
        MessageBox.Show(string.Format(@"Error! File {0} does not exist.", Path.GetFileName(spawnPath)));
        return;
    }
    var npcData = ParseNpcData(npcPath);
 
    richTextBox1.AppendText("\n" + DateTime.Now + " Loading spawn file...");
    var spawnData = ParseSpawnData(spawnPath);
    
    richTextBox1.AppendText("\n" + DateTime.Now + " Saving file spawn...");
    using (var stream = new StreamWriter(new FileStream(clearSpawnPath, FileMode.Create), Encoding.ASCII))
    {
        foreach (var spawnInfo in spawnData)
        {
            if (spawnInfo.Id < 20000) continue;
            var id = npcData.ContainsKey(spawnInfo.Id) ? npcData[spawnInfo.Id] : spawnInfo.Id.ToString();
            stream.WriteLine("{0}\t{1}\t{2}\t{3}", id, spawnInfo.X, spawnInfo.Y, spawnInfo.Z);
        }
    }
 
    richTextBox1.AppendText("\n" + DateTime.Now + " Complete!");
}
 
private static Dictionary<int, string> ParseNpcData(string npcPath)
{
    var npcRegex = new Regex(@"^\w+\s\w+\s(?<id>\d+)\s\[(?<name>\w+)\]$", RegexOptions.Compiled);
    var npcData = new Dictionary<int, string>();
    using (var stream = new StreamReader(npcPath, Encoding.Default))
    {
        string line;
        while ((line = stream.ReadLine()) != null)
        {
            var match = npcRegex.Match(line);
            if (!match.Success) continue;
            var id = int.Parse(match.Groups["id"].Value);
            var name = match.Groups["name"].Value;
            if (!npcData.ContainsKey(id))
                npcData.Add(id, name);
        }
    }
    return npcData;
}
 
private static List<SpawnInfo> ParseSpawnData(string spawnPath)
{
    var spawnRegex = new Regex(@"^\d\d(?<id>\d+)\s\d+\s(?<x>\d+)\s(?<y>\d+)\s(?<z>\-\d+)\s\d+$", RegexOptions.Compiled);
    var spawnData = new List<SpawnInfo>();
    using (var stream = new StreamReader(spawnPath, Encoding.Default))
    {
        string line;
        while ((line = stream.ReadLine()) != null)
        {
            var match = spawnRegex.Match(line);
            if (!match.Success) continue;
            var id = int.Parse(match.Groups["id"].Value);
            var x = int.Parse(match.Groups["x"].Value);
            var y = int.Parse(match.Groups["y"].Value);
            var z = int.Parse(match.Groups["z"].Value);
            spawnData.Add(new SpawnInfo(id, x, y, z));
        }
    }
    return spawnData.Distinct().AsParallel()
        .OrderBy(spawn => spawn.Id)
        .ThenBy(spawn => spawn.X)
        .ThenBy(spawn => spawn.Y)
        .ThenBy(spawn => spawn.Z)
        .ToList();
}
 
private struct SpawnInfo
{
    public SpawnInfo(int id, int x, int y, int z) : this()
    {
        Id = id;
        X = x;
        Y = y;
        Z = z;
    }
 
    public int Id { get; private set; }
    public int X { get; private set; }
    public int Y { get; private set; }
    public int Z { get; private set; }
}