使用AsParallel 进行并行化处理数据

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using System; using System.Collections.Generic; using System.Diagnostics; using System.Linq; using System.Text; using System.Threading; using System.Threading.Tasks;   namespace ConsoleApplication2 {     class Program     {         static void Main(string[] args)         {             List<int> source = new List<int>();             for (int i = 0; i < 1000; i++)             {                 source.Add(i);             }             Stopwatch stop = new Stopwatch();             stop.Start();             var result = (from x in source.AsParallel().WithDegreeOfParallelism(50)                          select proc(x)).ToList();             Console.WriteLine(stop.Elapsed);               stop.Stop();             Console.Read();           }         public static int proc(int x) {             Thread.Sleep(100);             return 1;         }     } }

　　耗时12秒 不使用并行 耗时100秒