fluent 经典问题请问双CPU并行计算的效率问题（The problem of the efficiency of double CPU parallel computation）.docVIP

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fluent 经典问题请问双CPU并行计算的效率问题（The problem of the efficiency of double CPU parallel computation）.doc

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fluent 经典问题请问双CPU并行计算的效率问题（The problem of the efficiency of double CPU parallel computation）

fluent 经典问题请问双CPU并行计算的效率问题（The problem of the efficiency of double CPU parallel computation） Problem of efficiency of double CPU parallel computation Mail station: BBS waterlog tsinghua station (Mon Jul 7 03:32:43 2003), station Do ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ oblivious Xuzheng (angel temporarily left @_@ sign in the direction of the clock) mentioned in (Fri Jul 4 11:03:44 2003) : There is only one CPU at work, or two CPU share equal to one CPU Mpich1.2.5 + FORTRAN How do you configure two cpus to work simultaneously? BOW Do ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ oblivious Luxz (panda - struggling on the edge of heat death and freezing death) mentioned in (Fri Jul 4 11:04:57 2003) : Mpirun - np 2 *. Exe In xuzhengs book, the book of the xuzheng is mentioned: Basically, there is only one CPU at work, or two CPU share equal to one CPU : mpich1.2.5 + FORTRAN How do you configure two cpus to work simultaneously? : BOW Do ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ oblivious Xuzheng (angel temporarily left @_@ sign of the direction of the clock) said (Fri Jul 4:11:06:27 2003) : No, you misunderstood me To be more specific, 16 nodes with dual CPU cluster, parallel computation process The CPU efficiency of each node is about 50% [in luxzs great book about the battle of hot death and frozen death:] : mpirun - np 2 *.exe Do ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ oblivious (Fri Jul 4 11:07:30 2003) If the algorithm isnt nb, its efficient. In the book of xuzheng (the angel is temporarily leaving @_ @ sign in the opposite direction) : No, you misunderstood what I meant : to be more specific, 16 nodes with dual CPU cluster, parallel computation process The CPU efficiency of each node is only about 50% Do ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ oblivious Luxz (panda - struggling on the edge of heat deat

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fluent 经典问题请问双CPU并行计算的效率问题（The problem of the efficiency of double CPU parallel computation）.docVIP