C#MPI 第二课 MPI 发送结构体

来源：互联网发布：mp3铃声制作软件编辑：程序博客网时间：2024/04/28 01:03
using System;using MPI;namespace MPIHello{    /// <summary>    /// 测试发送结构体    /// </summary>    class TestSendStructProgram : IProgram    {        /// <summary>        /// 测试发送的结构        /// </summary>        struct TestStruct        {            #region Overrides of ValueType            public override string ToString()            {                return string.Format("v1:{0},v2:{1},v3:{2},v4:{3}",V1,V2,V3,V4);            }            #endregion            /// <summary>            /// 自增            /// </summary>            public void Increase()            {                V1++; V2++; V3++; V4++;            }            public int V1;            public int V2;            public int V3;            public int V4;        }        #region Implementation of IProgram                /// <summary>        /// 应用程序入口点        /// </summary>        /// <param name="args">入口参数</param>        public void Entrance(string[] args)        {            //初始化MPI运行环境            using (new MPI.Environment(ref args))            {                //获取Communicator                var comm = Communicator.world;                if (0 == comm.Rank)                {                    var obj = new TestStruct();                    //令0进程发送数据然后接收数据                    comm.Send(obj, 1, 0);                    // receive the final message                     var msg = comm.Receive<TestStruct>(Communicator.anySource, 0);                    msg.Increase();                    //输出收到的信息                    Console.WriteLine("Rank " + comm.Rank + " received message \"" + msg.ToString() + "\".");                }                else                {                    //令n程序接收上一进程发送的数据然后发给下一进程                    var msg = comm.Receive<TestStruct>(comm.Rank - 1, 0);                    //增加                    msg.Increase();                    //输入收到的消息                    Console.WriteLine("Rank " + comm.Rank + " received message \"" + msg + "\".");                    //发送给下一个进程                    comm.Send(msg, (comm.Rank + 1) % comm.Size, 0);                }                Console.WriteLine(Communicator.world.Rank);            }        }        #endregion    }}