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  • .net 控制线程数量

    通过两种方法:

    TaskFactory/ParallelOptions

     class Program
        {
            static void Main(string[] args)
            {
                int num = 10;
                ControlTaskNum(num);
                UseParallelOptions(num);
            }
            /// <summary>
            /// 通过 ParallelOptions 控制线程数
            /// </summary>
            /// <param name="num"></param>
            private static void UseParallelOptions(int num)
            {
                List<Action> actions = new List<Action>();
                for (int i = 0; i < 10000; i++)
                {  
                    actions.Add(() => Console.WriteLine(i));
                }
                ParallelOptions parallelOptions = new ParallelOptions();
                parallelOptions.MaxDegreeOfParallelism = num;
                Parallel.Invoke(parallelOptions, actions.ToArray());
            }
    
            /// <summary>
            /// 通过 TaskFactory 控制线程数
            /// </summary>
            /// <param name="v">最大线程</param>
            private static void ControlTaskNum(int v)
            {
                TaskFactory taskFactory = new TaskFactory();
                List<Task> tasks = new List<Task>();
                for (int i = 0; i < 10000; i++)
                {
                    tasks.Add(taskFactory.StartNew(() => Console.WriteLine(i)));
                    if (tasks.Count >=v)
                    {
                        tasks.Where(t => t.IsCompleted && !t.IsCanceled && !t.IsFaulted).ToList();
                        Task.WaitAny(tasks.ToArray());
                    }
                }
            }
    
        }
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  • 原文地址:https://www.cnblogs.com/Zingu/p/14640482.html
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