[CP2K-user] [CP2K:18261] PDOS calculation

alberto albesantonocito at gmail.com
Tue Dec 27 13:52:34 UTC 2022


Hi Matthias,
I set EPS_CHECK_DIAG 1.0E-11 and the error message disappeared as you 
explained well.

However it seems that the calculation is not going to converge.
The convergence trend seems to fluctuate:

 SCF WAVEFUNCTION OPTIMIZATION

  Step     Update method      Time    Convergence         Total energy   
 Change
  
------------------------------------------------------------------------------
     1 NoMix/Diag. 0.20E+00   11.8     1.57782303    -12112.9546849296 
-1.21E+04
     2 Broy./Diag. 0.20E+00   12.6     1.41360797    -11797.5697037240 
 3.15E+02
     3 Broy./Diag. 0.20E+00   14.2     0.25182412    -11489.7633872347 
 3.08E+02
     4 Broy./Diag. 0.20E+00   12.9     0.78921329    -11770.1909876298 
-2.80E+02
     5 Broy./Diag. 0.20E+00   12.2     0.02495328    -12105.7026546609 
-3.36E+02
     6 Broy./Diag. 0.20E+00   20.4     0.10050094    -12074.9945814569 
 3.07E+01
     7 Broy./Diag. 0.20E+00   12.9     0.36472368    -12057.6032668533 
 1.74E+01
     8 Broy./Diag. 0.20E+00   12.1     0.41426274    -12072.3337582537 
-1.47E+01
     9 Broy./Diag. 0.20E+00   12.3     0.41888055    -12067.4117721744 
 4.92E+00
    10 Broy./Diag. 0.20E+00   13.2     0.70632482    -12066.9683175127 
 4.43E-01
    11 Broy./Diag. 0.20E+00   13.0     0.71565022    -12069.6475077398 
-2.68E+00
    12 Broy./Diag. 0.20E+00   12.6     0.54382315    -12069.1244959188 
 5.23E-01
    13 Broy./Diag. 0.20E+00   12.4     0.68939824    -12070.4523252565 
-1.33E+00
    14 Broy./Diag. 0.20E+00   12.4     0.73493250    -12069.0342452558 
 1.42E+00
    15 Broy./Diag. 0.20E+00   12.4     0.64958350    -12066.5955586108 
 2.44E+00
    16 Broy./Diag. 0.20E+00   12.9     0.69876539    -12072.6509204338 
-6.06E+00
    17 Broy./Diag. 0.20E+00   12.4     0.77842504    -12067.6896625706 
 4.96E+00
    18 Broy./Diag. 0.20E+00   13.1     0.79283007    -12072.0757883317 
-4.39E+00
    19 Broy./Diag. 0.20E+00   12.4     0.72864053    -12069.9443917448 
 2.13E+00
    20 Broy./Diag. 0.20E+00   12.4     0.32785384    -12069.8817941743 
 6.26E-02
    21 Broy./Diag. 0.20E+00   12.2     0.33745691    -12069.4724482699 
 4.09E-01
    22 Broy./Diag. 0.20E+00   12.4     0.20665399    -12069.5707374969 
-9.83E-02
    23 Broy./Diag. 0.20E+00   12.3     0.13581078    -12069.6614190297 
-9.07E-02
    24 Broy./Diag. 0.20E+00   12.2     0.22245885    -12069.1517118246 
 5.10E-01
    25 Broy./Diag. 0.20E+00   12.4     0.28250064    -12069.4242582399 
-2.73E-01
    26 Broy./Diag. 0.20E+00   12.8     0.31289661    -12069.4965982763 
-7.23E-02
    27 Broy./Diag. 0.20E+00   13.2     0.53496059    -12069.6103152554 
-1.14E-01
    28 Broy./Diag. 0.20E+00   14.4     0.68115210    -12069.5427850322 
 6.75E-02
    29 Broy./Diag. 0.20E+00   12.2     0.42839820    -12069.6998749921 
-1.57E-01
    30 Broy./Diag. 0.20E+00   12.2     0.67640893    -12069.5517145971 
 1.48E-01
    31 Broy./Diag. 0.20E+00   12.2     0.68028748    -12069.9994654634 
-4.48E-01
    32 Broy./Diag. 0.20E+00   12.5     0.68092524    -12069.8506980908 
 1.49E-01
    33 Broy./Diag. 0.20E+00   12.7     0.68888976    -12069.9515968985 
-1.01E-01
    34 Broy./Diag. 0.20E+00   12.8     0.71456661    -12070.0858438011 
-1.34E-01
    35 Broy./Diag. 0.20E+00   12.1     0.54940456    -12069.2826493857 
 8.03E-01
    36 Broy./Diag. 0.20E+00   15.1     0.48099143    -12069.4336214508 
-1.51E-01
    37 Broy./Diag. 0.20E+00   12.4     0.70033134    -12069.8568175002 
-4.23E-01
    38 Broy./Diag. 0.20E+00   12.2     0.76165647    -12069.3821233296 
 4.75E-01
    39 Broy./Diag. 0.20E+00   12.2     0.77561761    -12070.9994983897 
-1.62E+00
    40 Broy./Diag. 0.20E+00   12.3     0.27565142    -12069.7007077377 
 1.30E+00
    41 Broy./Diag. 0.20E+00   12.2     0.37718068    -12069.7530767847 
-5.24E-02
    42 Broy./Diag. 0.20E+00   12.4     0.68709458    -12069.4087953477 
 3.44E-01
    43 Broy./Diag. 0.20E+00   12.3     0.69090408    -12069.5050895074 
-9.63E-02
    44 Broy./Diag. 0.20E+00   13.1     0.34318825    -12069.6293399946 
-1.24E-01
    45 Broy./Diag. 0.20E+00   12.2     0.59006667    -12069.2824410920 
 3.47E-01
    46 Broy./Diag. 0.20E+00   12.4     0.61663497    -12069.1779666702 
 1.04E-01
    47 Broy./Diag. 0.20E+00   12.6     0.68781003    -12069.8314905189 
-6.54E-01
    48 Broy./Diag. 0.20E+00   14.8     0.34002497    -12069.4389808667 
 3.93E-01
    49 Broy./Diag. 0.20E+00   12.3     0.43380612    -12069.2342180512 
 2.05E-01
    50 Broy./Diag. 0.20E+00   12.2     0.48974494    -12069.4600239474 
-2.26E-01
    51 Broy./Diag. 0.20E+00   12.2     0.52902480    -12069.5958945930 
-1.36E-01
    52 Broy./Diag. 0.20E+00   12.7     0.70310679    -12069.5621772392 
 3.37E-02
    53 Broy./Diag. 0.20E+00   11.7     0.77326279    -12070.9493992326 
-1.39E+00
    54 Broy./Diag. 0.20E+00   12.5     0.55211605    -12069.4857481900 
 1.46E+00
    55 Broy./Diag. 0.20E+00   12.2     0.71887815    -12069.3050131097 
 1.81E-01
    56 Broy./Diag. 0.20E+00   21.8     0.78078759    -12070.8738934380 
-1.57E+00
    57 Broy./Diag. 0.20E+00   12.3     0.67029544    -12069.3275611236 
 1.55E+00
    58 Broy./Diag. 0.20E+00   32.2     0.68173175    -12069.3315225156 
-3.96E-03
    59 Broy./Diag. 0.20E+00   13.1     0.57557628    -12069.5408402139 
-2.09E-01
    60 Broy./Diag. 0.20E+00   14.0     0.74206044    -12070.2233113272 
-6.82E-01
    61 Broy./Diag. 0.20E+00   12.9     0.77332972    -12070.6147998010 
-3.91E-01
    62 Broy./Diag. 0.20E+00   15.3     0.60099968    -12069.0659942277 
 1.55E+00
    63 Broy./Diag. 0.20E+00   12.0     0.26534197    -12069.3271646553 
-2.61E-01
    64 Broy./Diag. 0.20E+00   39.0     0.38381639    -12069.3196972190 
 7.47E-03
    65 Broy./Diag. 0.20E+00   18.0     0.26300017    -12069.5387984216 
-2.19E-01
    66 Broy./Diag. 0.20E+00   14.7     0.67682381    -12069.5582343327 
-1.94E-02
    67 Broy./Diag. 0.20E+00   12.3     0.72635656    -12069.5620901773 
-3.86E-03
    68 Broy./Diag. 0.20E+00   16.2     0.77880400    -12071.0048997946 
-1.44E+00
    69 Broy./Diag. 0.20E+00   12.4     0.67701896    -12069.0690017312 
 1.94E+00
    70 Broy./Diag. 0.20E+00   34.2     0.69418475    -12069.4165512034 
-3.48E-01
    71 Broy./Diag. 0.20E+00   12.3     0.68193498    -12069.6086297294 
-1.92E-01
    72 Broy./Diag. 0.20E+00   12.5     0.42383830    -12069.4563307056 
 1.52E-01
    73 Broy./Diag. 0.20E+00   13.9     0.39189096    -12069.5661020794 
-1.10E-01
    74 Broy./Diag. 0.20E+00   12.3     0.38183413    -12069.3261945934 
 2.40E-01
    75 Broy./Diag. 0.20E+00   12.2     0.55184257    -12069.5290885066 
-2.03E-01
    76 Broy./Diag. 0.20E+00   14.7     0.56259588    -12069.1786477204 
 3.50E-01
    77 Broy./Diag. 0.20E+00   12.3     0.42264954    -12069.4927775425 
-3.14E-01
    78 Broy./Diag. 0.20E+00   12.2     0.74392656    -12069.6745274518 
-1.82E-01
    79 Broy./Diag. 0.20E+00   14.0     0.78051258    -12071.0084051210 
-1.33E+00
    80 Broy./Diag. 0.20E+00   12.0     0.73690904    -12070.0706938456 
 9.38E-01
    81 Broy./Diag. 0.20E+00   11.7     0.69624401    -12069.6341864935 
 4.37E-01
    82 Broy./Diag. 0.20E+00   14.4     0.35544053    -12069.8330793807 
-1.99E-01
    83 Broy./Diag. 0.20E+00   12.4     0.38658794    -12069.5812834376 
 2.52E-01
    84 Broy./Diag. 0.20E+00   12.5     0.53194157    -12069.3739457378 
 2.07E-01
    85 Broy./Diag. 0.20E+00   12.0     0.55550700    -12069.3167826088 
 5.72E-02
    86 Broy./Diag. 0.20E+00   13.0     0.52536544    -12069.4797691615 
-1.63E-01
    87 Broy./Diag. 0.20E+00   17.3     0.69464873    -12069.9776249894 
-4.98E-01
    88 Broy./Diag. 0.20E+00   12.0     0.66386280    -12069.9640794446 
 1.35E-02
    89 Broy./Diag. 0.20E+00   12.1     0.68288197    -12069.5679812305 
 3.96E-01
    90 Broy./Diag. 0.20E+00   12.3     0.71954305    -12069.6175154288 
-4.95E-02
    91 Broy./Diag. 0.20E+00   12.9     0.71678747    -12069.8101325965 
-1.93E-01
    92 Broy./Diag. 0.20E+00   12.1     0.60835761    -12069.6290091166 
 1.81E-01
    93 Broy./Diag. 0.20E+00   12.5     0.52270230    -12069.5848741246 
 4.41E-02
    94 Broy./Diag. 0.20E+00   17.7     0.42724157    -12070.0159615959 
-4.31E-01
    95 Broy./Diag. 0.20E+00   11.8     0.48905163    -12069.5231437070 
 4.93E-01
    96 Broy./Diag. 0.20E+00   12.2     0.27994716    -12069.6287649712 
-1.06E-01
    97 Broy./Diag. 0.20E+00   12.5     0.21160848    -12069.9946266833 
-3.66E-01
     ....
I attach the input.

Would you have any advice?

Thanks 

Alberto 
Il giorno giovedì 22 dicembre 2022 alle 15:54:18 UTC+1 alberto ha scritto:

> Hi Matthias
>
> Thank you so much for your help.
>
> Alberto
>
> Il giorno giovedì 22 dicembre 2022 alle 11:56:10 UTC+1 Matthias Krack ha 
> scritto:
>
>> Hi Alberto
>>
>>  
>>
>> These warnings appear only if you compile CP2K with the -D__CHECK_DIAG 
>> flag which is part of CP2K’s sanity checks or if you set the input 
>> parameter EPS_CHECK_DIAG 
>> <https://manual.cp2k.org/trunk/CP2K_INPUT/GLOBAL.html#EPS_CHECK_DIAG> to 
>> a value larger than zero using a CP2K binary compiled without that flag. 
>> The default threshold value for a warning is 5.0E-14 and if the deviation 
>> is 100 times larger, an error message is printed and the run is aborted. 
>> You get a deviation of 6.0E-12 which is just above that limit for an abort. 
>> I suggest to set a larger threshold value for EPS_CHECK_DIAG, because a 
>> numerical deviation of about 1.0E-11 is still not serious. Alternatively, 
>> you can compile CP2K without the -D__CHECK_DIAG flag to get rid of these 
>> warnings completely by default, but with the option to activate that check 
>> via the EPS_CHECK_DIAG keyword explicitly.
>>
>>  
>>
>> HTH
>>
>>  
>>
>> Matthias
>>
>>  
>>
>> *From: *cp... at googlegroups.com <cp... at googlegroups.com> on behalf of 
>> alberto <albesan... at gmail.com>
>> *Date: *Wednesday, 21 December 2022 at 22:29
>> *To: *cp2k <cp... at googlegroups.com>
>> *Subject: *[CP2K:18240] PDOS calculation
>>
>> Hello cp2k users,
>> I tried running a density of states (PDOS) calculation.
>> It's my first attempt.
>> Opening the output file with emacs I read the following message:
>> "The eigenvectors returned by SYEVD are not orthonormal
>>  Matrix element (374, 2305) = .000000000002181
>>  The deviation from the expected value 0 is 2.181E-12"
>>
>> For the calculation I used an optimized geometry with PBE functional.
>>
>> I attach input and output.
>>
>> Does anyone have any advice for me?
>>
>> Thanks
>>
>>
>> Alberto
>>
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>>
>

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