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发表于 2009-4-7 18:03:09
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LINUX SMP客户端有趣的参数
看到红色字体了吗?这是在XP SMP客户端上看不到的。“由于负荷不平衡而导致的进程等待(浪费的)时间为4.1%”。不知XP上SMP客户端要浪费多少。估计在20%左右。LINUX的多进程调度管理是更先进一些。
[06:47:13] Completed 247500 out of 250000 steps (99%)
[06:57:12] Completed 250000 out of 250000 steps (100%)
Writing final coordinates.
Average load imbalance: 6.2 %
Part of the total run time spent waiting due to load imbalance: 4.1 %
Steps where the load balancing was limited by -rdd, -rcon and/or -dds: Z 0 %
Parallel run - timing based on wallclock.
NODE (s) Real (s) (%)
Time: 61033.000 61033.000 100.0
16h57:13
(Mnbf/s) (GFlops) (ns/day) (hour/ns)
Performance: 58.754 8.902 50.709 0.473
多亏MAXZONG给咱打开了这样一扇门。长见识了。 |
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