<DIV>Dear Paolo</DIV>
<DIV> Thank you very much for your advice . I still have some questions that need your help .</DIV>
<DIV> I don't know why only display 8 CPUs while I use 2 nodes (16 CPUs) ? Untill now the job only has 2 iterations form 2:00 PM today ,it is so slowly .</DIV>
<DIV> How can I solve this problem ? </DIV>
<DIV>Best regards</DIV>
<DIV> <BR>On Sep 7, 2009, at 8:55 , wangqj1 wrote:<BR><BR>> I now use 16 CPUs(2 nodes) to run the task ,the job runs but very <BR>> slower than use 4 CPUs in my personal computer ,I use top to look <BR>> CPU information,it as following:<BR>><BR>> Tasks: 176 total, 1 running, 175 sleeping, 0 stopped, 0 zombie<BR>> Cpu0 : 0.4%us, 0.4%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu1 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu2 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu3 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu4 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu5 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu6 : 0.7%us, 0.0%sy, 0.0%ni, 99.3%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Cpu7 : 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0% <BR>> si, 0.0%st<BR>> Mem: 8048812k total, 5537848k used, 2510964k free, 315448k <BR>> buffers<BR>> Swap: 4192956k total, 0k used, 4192956k free, 5022856k <BR>> cached<BR>><BR>> Why only display 8 CPUs information<BR><BR>because only the CPUs of one node are shown<BR><BR>> and the usage of CPU is so small ?<BR><BR>because the code is not running. Maybe it is just waiting for input</DIV><br><br><span title="neteasefooter"/><hr/>
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