[CP2K:4684] speed slow down on running CP2K

[Sandeep Kumar Reddy]

yes.


On Thu, Oct 10, 2013 at 2:53 PM, Huan Wang <huan... at mail.huji.ac.il>wrote:

> Hi Sandeep,
>
> Thanks for your response. I checked the .out file,
>
>  *** SCF run converged in    8 steps ***    before 12282 steps.
>  *** SCF run converged in    46 steps ***  after 12285 steps.
>
> So, the speed gets slower because of the increasing of SCF cycles, right?
>
> Huan
>
>
>
> On Thu, Oct 10, 2013 at 10:21 AM, Sandeep Kumar Reddy <kuma... at gmail.com
> > wrote:
>
>> Hi,
>>      How many SCF cycles are done at each time? Is time consumed for one
>> SCF cycle is same through out the file or different?
>>
>>
>> -Sandeep
>>
>>
>>
>> On Thu, Oct 10, 2013 at 1:37 PM, <huan... at mail.huji.ac.il> wrote:
>>
>>> Dear All
>>>
>>> I am newbie in CP2K and trying to run MD simulation on the benzene-water
>>> cluster with BLYP functional. I found a strange phenomenon when I check
>>> one of the NVE output files with the filename extension of .ener.
>>>
>>> The CPU time slowed down significantly after step 12283 and maintained
>>> at about 150 second per step, which is about 5 times slower then
>>> before. It's really strange.
>>>
>>>     Step Nr.          Time[fs]                Kin.[a.u.]
>>> Temp[K]               Pot.[a.u.]            Cons Qty[a.u.]
>>> UsedTime[s]
>>>      12277         2455.400000         0.004615105
>>> 53.975302012       -93.209237077       -93.204621972        32.676000000
>>>      12278         2455.600000         0.004554319
>>> 53.264389062       -93.209175336       -93.204621017        25.941000000
>>>      12279         2455.800000         0.004477901
>>> 52.370652066       -93.209100361       -93.204622460        27.608000000
>>>      12280         2456.000000         0.004389585
>>> 51.337767916       -93.209016032       -93.204626447        31.057000000
>>>      12281         2456.200000         0.004294098
>>> 50.221008923       -93.208930688       -93.204636591        35.537000000
>>>      12282         2456.400000         0.004195678
>>> 49.069951491       -93.208874337       -93.204678659        42.166000000
>>>      12283         2456.600000         0.004098685
>>> 47.935580829       -93.208858546       -93.204759862      1520.481000000
>>>      12284         2456.800000         0.004007606
>>> 46.870382332       -93.209547310       -93.205539704      1178.503000000
>>>      12285         2457.000000         0.003928017
>>> 45.939562457       -93.209440855       -93.205512838       159.525000000
>>>      12286         2457.200000         0.003863711
>>> 45.187480563       -93.209381444       -93.205517733       100.369000000
>>>      12287         2457.400000         0.003816545
>>> 44.635855919       -93.209341414       -93.205524869       180.518000000
>>>      12288         2457.600000         0.003787950
>>> 44.301429998       -93.209313620       -93.205525670       177.989000000
>>>      12289         2457.800000         0.003777429
>>> 44.178378817       -93.209302005       -93.205524576       183.117000000
>>>      12290         2458.000000         0.003783800
>>> 44.252896955       -93.209306256       -93.205522455       167.403000000
>>>      12291         2458.200000         0.003804956
>>> 44.500317791       -93.209323936       -93.205518981       170.942000000
>>>      12292         2458.400000         0.003838006
>>> 44.886855625       -93.209362127       -93.205524121       164.687000000
>>>      12293         2458.600000         0.003879900
>>> 45.376822142       -93.209396261       -93.205516361       169.787000000
>>>      12294         2458.800000         0.003927307
>>> 45.931252941       -93.209449982       -93.205522676       171.395000000
>>>      12295         2459.000000         0.003977013
>>> 46.512588588       -93.209491677       -93.205514664       164.978000000
>>>
>>> Is that a normal phenomenon? If it is abnormal, does anyone has some
>>> suggestion to help me fix this problem?  Thanks a lot.
>>>
>>> Best regards,
>>> Huan
>>>
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