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    请问这两种并行命令有区别么?

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    • 星
      星星星星晴 last edited by

      有没有大佬了解下面两个命令有什么区别呢?
      是不是第一个命令会强制要求程序运行在physcial cores?

      nohup mpirun -np 28 taskset -c 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28 sprayFoam -parallel >log.sprayFoam &
      
      nohup mpirun sprayFoam -parallel >log.sprayFoam &
      

      7a1c5f3a-c9bc-4ae1-b45e-363783e9f7a7-image.png
      有没有大佬了解下面两个命令有什么区别呢?

      nohup mpirun -np 28 taskset -c 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28 sprayFoam -parallel >log.sprayFoam &

      nohup mpirun sprayFoam -parallel >log.sprayFoam &
      7a1c5f3a-c9bc-4ae1-b45e-363783e9f7a7-image.png

      在写博士毕业论文,寻找postdoc或者职位中~
      m.sui20@foxmail.com

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      • 李东岳
        李东岳 管理员 last edited by

        还没这么玩过。简单百度了一下是。你试一下是不是这样?

        CFD高性能服务器 http://dyfluid.com/servers.html

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        • 星
          星星星星晴 @李东岳 last edited by

          @李东岳       大佬 哪样??
          我同事的观点在于设置taskset以后 就固定了core,然后就不存在跳的情况,而且能确定用的是physical core。。但是好像看不出来那个是physical core 哪个是超线程啊。。很神奇

          在写博士毕业论文,寻找postdoc或者职位中~
          m.sui20@foxmail.com

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