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stefsui木蟲 (小有名氣)
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[交流]
關(guān)于集群與單機Materials-studio計算時間問題
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我們知道,在outmol文件中會寫明計算的細節(jié), 關(guān)于優(yōu)化的自洽是這樣: opt== Cycle Total Energy Energy change Max Gradient Max Displacement opt== tolerance:....... 0.0000100 0.001058 0.009449 opt== 1 -6440.2407124 0.0000000 0.000764 0.033400 Integration points, checksum 0 198654 794800 998.001189 Total Energy Binding E Cnvgnce Time Iter Ef -6394.889910Ha -50.3928009Ha 1.78E-01 1.5m 1 Ef -6393.802658Ha -49.3055490Ha 1.29E-01 3.7m 2 Ef -6392.886341Ha -48.3892322Ha 1.25E-01 4.9m 3 Ef -6392.201339Ha -47.7042297Ha 8.68E-02 6.7m 4 Ef -6391.794389Ha -47.2972801Ha 5.14E-02 7.9m 5 Ef -6391.589746Ha -47.0926369Ha 3.85E-02 9.5m 6 Ef -6391.780078Ha -47.2829691Ha 7.48E-02 10.8m 7 Ef -6391.453631Ha -46.9565221Ha 1.36E-02 12.1m 8 Ef -6391.441403Ha -46.9442944Ha 1.35E-02 13.3m 9 Ef -6391.469083Ha -46.9719742Ha 2.96E-02 14.8m 10 Ef -6391.456153Ha -46.9590443Ha 1.78E-02 16.1m 11 Ef -6391.437104Ha -46.9399953Ha 1.07E-02 17.4m 12 Ef -6391.434492Ha -46.9373830Ha 8.16E-03 18.7m 13 Ef -6391.430652Ha -46.9335429Ha 1.51E-03 20.9m 14 Ef -6391.430709Ha -46.9335998Ha 1.99E-03 22.3m 15 Ef -6391.430434Ha -46.9333252Ha 9.36E-04 25.5m 16 Ef -6391.430316Ha -46.9332074Ha 6.81E-04 26.8m 17 Ef -6391.430302Ha -46.9331927Ha 3.47E-04 29.1m 18 Ef -6391.430314Ha -46.9332050Ha 1.65E-04 30.8m 19 Ef -6391.430325Ha -46.9332164Ha 1.12E-04 32.7m 20 Ef -6391.430338Ha -46.9332292Ha 6.79E-05 34.0m 21 任務(wù)結(jié)束之后,這個是有關(guān)信息 +++ Entering Properties Section +++ Message: License checkin of MS_dmol successful Message: License checkin of MS_dsolid successful Message: DMol3 job finished successfully time all done 100.85m 6051.11s (END) 其中100.85m是花費100多分鐘,這個時間我在單機上看,和運行的時間是一致的,但是在學(xué)校計算中心提供的集群上時,運行時間卻差了好幾倍,比如說任務(wù)提交上去,排上隊開始運行了20個小時,從outmol的信息上看只有2個小時。排隊的時間當然不算,而是從outmol文件開始產(chǎn)生到結(jié)束,文件記錄只有2個小時,實際上算了20個小時。誰有過類似的經(jīng)歷,這種差異是怎么產(chǎn)生的?難道是集群在后臺偷跑別的任務(wù)? [ Last edited by stefsui on 2012-7-21 at 19:25 ] |
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