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淥口區(qū)街霸新蟲 (初入文壇)
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[求助]
VASP計(jì)算時(shí)進(jìn)程老是被kill
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我計(jì)算光學(xué)性質(zhì)時(shí),進(jìn)程在運(yùn)行1分鐘左右就被kill: BAD TERMINATION OF ONE OF YOUR APPLICATION PROCESSES RANK 0 PID 10718 RUNNING AT localhost.localdomain KILLED BY SIGNAL: 9 (killed) (或者是KILL BY SIGNAL: 11 (Segmentation fault)) 一開始以為是內(nèi)存不足,用top命令查看內(nèi)存,發(fā)現(xiàn)占用始終沒超過(guò)60%。我把oom killer關(guān)閉了,還是如此。我以為是虛擬內(nèi)存的問題,把虛擬內(nèi)存 swappiness調(diào)到0,并且用free查看內(nèi)存使用,沒發(fā)現(xiàn)虛擬內(nèi)存被使用,結(jié)果還是這樣。我實(shí)在想不出來(lái)為什么,快要被這個(gè)東西折磨瘋了,求各位大佬救助。 我計(jì)算的體系是β-Ga2O3的原胞(4個(gè)Ga,6個(gè)O),已經(jīng)進(jìn)行SCF,在使用LOPTICS=.T.時(shí)出現(xiàn)這個(gè)問題。 INCAR: Optical properties ALGO = Exact NBANDS = 156 (SCF的NBANDS是52,后來(lái)計(jì)算時(shí)調(diào)小過(guò),還是gg) LOPTICS = .TRUE. CSHIFT = 0.100 NEDOS = 2000 ISMEAR = 0 SIGMA = 0.01 EDIFF = 1E-8 LREAL=Auto NCORE=8 KPAR=1 KPOINTS: KPT-Resolved Value to Generate K-Mesh: 0.040 0 Monkhorst-Pack 8 8 4 0.0 0.0 0.0 POSCAR: Primitive Cell 1.000000 6.11499977110000 -1.51999998095000 0.00000000000000 6.11499977110000 1.51999998095000 0.00000000000000 -1.37366099220000 0.00000000000000 5.63498515450000 Ga O 4 6 DIRECT 0.0903999935816327 0.0903999935816326 0.7947999834876939 Ga1 0.9096000064183674 0.9096000064183674 0.2052000165123061 Ga2 0.3414000142227951 0.3414000142227950 0.6856999993450472 Ga3 0.6585999857772049 0.6585999857772049 0.3143000006549528 Ga4 0.1674000043244401 0.1674000043244400 0.1010999976273319 O1 0.8325999956755600 0.8325999956755599 0.8989000023726681 O2 0.4957000035898141 0.4957000035898140 0.2552999854136528 O3 0.5042999964101860 0.5042999964101860 0.7447000145863472 O4 0.8278999943101788 0.8278999943101788 0.4365000127437337 O5 0.1721000056898213 0.1721000056898211 0.5634999872562663 O6 OUTCAR (最后幾行) Maximum index for non-local projection operator 410 Maximum index for augmentation-charges 1255 (set IRDMAX) -------------------------------------------------------------------------------------------------------- initial charge from wavefunction First call to EWALD: gamma= 0.376 Maximum number of real-space cells 4x 4x 2 Maximum number of reciprocal cells 4x 4x 3 FEWALD: cpu time 0.0029: real time 0.0030 --------------------------------------- Iteration 1( 1) --------------------------------------- POTLOK: cpu time 0.0299: real time 0.0309 SETDIJ: cpu time 0.0051: real time 0.0052 total amount of memory used by VASP MPI-rank0 669253. kBytes ======================================================================= base : 30000. kBytes nonlr-proj: 1015. kBytes fftplans : 1106. kBytes grid : 1792. kBytes one-center: 31. kBytes wavefun : 635309. kBytes 我用的機(jī)器是8線程,16g內(nèi)存。后來(lái)?yè)Q了個(gè)機(jī)器,16線程48g內(nèi)存,還是有這個(gè)問題,并且內(nèi)存占用也不高,我尋思不是內(nèi)存的問題啊,真是百思不得其解。 |
新蟲 (職業(yè)作家)

新蟲 (初入文壇)
新蟲 (初入文壇)
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