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v.5.3.x is slower than v.5.2.x ?!


Chronological Thread 
  • From: Masayoshi Mikami <mmikami@rc.m-kagaku.co.jp>
  • To: forum@abinit.org
  • Subject: v.5.3.x is slower than v.5.2.x ?!
  • Date: Tue, 17 Apr 2007 11:00:14 +0900

Dear all,

When I run large jobs with v.5.3.4, I noticed that
it takes much longer time than before (e.g. v.5.2.4).
So, I checked with tests_cpu (on MacOSX/Tiger/gfortran
... keeping the same situation), and noticed something.
(kindly take a look below my signature)
This is just an accident only in my place ?
(if so, sorry for this post...)

(BTW, the reference data seemingly remain the same ... ?)

Cheers,
Masayoshi

for example, diff_B6 in v.5.2.4 (the last part)
-------------------------------------------
116,123c116,123
< - fourwf(pot) 2.120 48 44.167 1769472 0.025
< - fourwf(den) 0.240 8 30.000 884736 0.034
< - fourdp 1.520 23 66.087 884736 0.075
< - nonlop(apply) 0.290 48 6.042 113238 0.053
< - nonlop(forces) 0.000 8 0.000 113238 0.000
< - nonlop(forstr) 0.000 4 0.000 113238 0.000
< - projbd 0.210 64 3.281 226476 0.014
< - xc:pot/=fourdp 1.060 3 353.333 884736 0.399
---
> - fourwf(pot) 7.262 48 151.286 1769472 0.085
> - fourwf(den) 0.684 8 85.449 884736 0.097
> - fourdp 4.881 23 212.211 884736 0.240
> - nonlop(apply) 0.570 48 11.881 113238 0.105
> - nonlop(forces) 0.105 8 13.184 113238 0.116
> - nonlop(stress) 0.104 4 25.879 113238 0.229
> - projbd 0.223 64 3.479 226476 0.015
> - xc:pot/=fourdp 2.299 3 766.276 884736 0.866
125c125
< +Overall time at end (sec) : cpu= 8.0 wall= 12.6
---
> +Overall time at end (sec) : cpu= 20.7 wall= 20.7
-------------------------------------------

On the other hand, diff_B6 in v.5.3.4
-------------------------------------------
116,123c116,123
< - fourwf(pot) 3.232 48 67.333 1769472 0.038
< - fourwf(den) 0.311 8 38.875 884736 0.044
< - fourdp 2.968 23 129.043 884736 0.146
< - nonlop(apply) 0.354 48 7.375 113238 0.065
< - nonlop(forces) 0.047 8 5.875 113238 0.052
< - nonlop(forstr) 0.038 4 9.500 113238 0.084
< - projbd 0.160 64 2.500 226476 0.011
< - xc:pot/=fourdp 2.364 3 788.000 884736 0.891
---
> - fourwf(pot) 7.262 48 151.286 1769472 0.085
> - fourwf(den) 0.684 8 85.449 884736 0.097
> - fourdp 4.881 23 212.211 884736 0.240
> - nonlop(apply) 0.570 48 11.881 113238 0.105
> - nonlop(forces) 0.105 8 13.184 113238 0.116
> - nonlop(stress) 0.104 4 25.879 113238 0.229
> - projbd 0.223 64 3.479 226476 0.015
> - xc:pot/=fourdp 2.299 3 766.276 884736 0.866
125c125
< +Overall time at end (sec) : cpu= 13.7 wall= 13.7
---
> +Overall time at end (sec) : cpu= 20.7 wall= 20.7
-------------------------------------------






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