| e1d16bb9 | 24-Oct-2015 |
Barry Smith <bsmith@mcs.anl.gov> |
because gnorm0 can be PETSC_INFINITY one can get false gnorm/gnorm0 <= gttol even when gttol is 0.0 and gnorm is not zero
and thus get a false positive convergence
ftp://ftp.mcs.anl.gov/pub/petsc/ni
because gnorm0 can be PETSC_INFINITY one can get false gnorm/gnorm0 <= gttol even when gttol is 0.0 and gnorm is not zero
and thus get a false positive convergence
ftp://ftp.mcs.anl.gov/pub/petsc/nightlylogs/archive/2015/10/23/examples_master_arch-linux-gcc-pgf90_grind.log
1,84c11,64
< iter = 10, Function value 2416.67, Residual: 178.849
< iter = 11, Function value 2416.67, Residual: 3.77357
< iter = 12, Function value 2415.51, Residual: 10.0153
< iter = 13, Function value 2411.15, Residual: 391.763
< iter = 14, Function value 2411.15, Residual: 311.476
< iter = 15, Function value 2411.15, Residual: 24.0925
< iter = 16, Function value 2410.86, Residual: 141.568
< iter = 17, Function value 2410.86, Residual: 9.82914
< iter = 18, Function value 2409.03, Residual: 19.0147
< iter = 19, Function value 2405.37, Residual: 187.39
< iter = 20, Function value 2405.37, Residual: 36.1224
< iter = 21, Function value 2403.96, Residual: 461.641
< iter = 22, Function value 2403.96, Residual: 88.53
< iter = 23, Function value 2401.43, Residual: 125.36
< iter = 24, Function value 2400.63, Residual: 71.9882
< iter = 25, Function value 2396.47, Residual: 153.581
< iter = 26, Function value 2388.32, Residual: 693.398
< iter = 27, Function value 2384.75, Residual: 149.291
< iter = 28, Function value 2384.75, Residual: 156.177
< iter = 29, Function value 2384.74, Residual: 21.6924
< iter = 30, Function value 2384.74, Residual: 3.76519
< iter = 31, Function value 2384.5, Residual: 0.0942887
< iter = 32, Function value 2384.48, Residual: 0.762227
< iter = 33, Function value 2384.48, Residual: 0.287334
< iter = 34, Function value 2384.48, Residual: 0.221261
< iter = 35, Function value 2384.48, Residual: 0.0183731
< iter = 36, Function value 2384.48, Residual: 0.0155648
< iter = 37, Function value 2384.48, Residual: 0.0473363
< iter = 38, Function value 2384.48, Residual: 0.00108368
< iter = 39, Function value 2384.48, Residual: 0.00487713
< iter = 40, Function value 2384.48, Residual: 0.000172856
< iter = 41, Function value 2384.48, Residual: 5.48164e-06
< 4575.7085175608709 4.4942328371557893E+307
< 4575.7085175608709 1815.2985516599065
< 4575.7085175608709 4838.2083666605959
< 4575.7085175608709 1404.4509372826872
< 3627.3927583129494 11279.715346421122
< 2584.9214240354881 16120.497699152949
< 2584.9214240354881 1143.9964691546586
< 2524.6912329226511 257.61363944306333
< 2500.2432503157597 1072.2480219597619
< 2418.1438534115305 16.920666223362254
< 2416.6681259821662 178.84868221303151
< 2416.6681259821662 3.7735723004899953
< 2415.5103186576657 10.015315131908833
< 2411.1478828901513 391.76278493043350
< 2411.1478828901513 311.47645419742167
< 2411.1478828901513 24.092477935507905
< 2410.8560348505721 141.56770482743312
< 2410.8560348505721 9.8291448260766465
< 2409.0324456803005 19.014689846065945
< 2405.3739964265242 187.39038474373950
< 2405.3739964265242 36.122443687575149
< 2403.9568709863192 461.64120477249253
< 2403.9568709863192 88.529967780196770
< 2401.4334252131084 125.35992515000555
< 2400.6257885667246 71.988183117061809
< 2396.4652276331276 153.58121719436181
< 2388.3184558101684 693.39843432256225
< 2384.7468187163477 149.29114901422918
< 2384.7463243759134 156.17731464402209
< 2384.7444039122361 21.692395955680837
< 2384.7444039122361 3.7651902219828197
< 2384.5019577079884 9.4288701695413590E-002
< 2384.4811654195523 0.76222743780397162
< 2384.4775172870586 0.28733366291505030
< 2384.4774835782791 0.22126089137917193
< 2384.4774835782791 1.8373137553614825E-002
< 2384.4770104266977 1.5564772320028585E-002
< 2384.4770104266977 4.7336288381090962E-002
< 2384.4770104266977 1.0836785323014985E-003
< 2384.4769959665418 4.8771273138846754E-003
< 2384.4769959665418 1.7285550186436704E-004
< 2384.4769950856239 5.4816440789146458E-006
---
> iter = 10, Function value 2416.67, Residual: 178.848
> iter = 11, Function value 2416.67, Residual: 3.77354
> iter = 12, Function value 2415.51, Residual: 10.0152
> iter = 13, Function value 2411.15, Residual: 391.762
> iter = 14, Function value 2411.15, Residual: 311.485
> iter = 15, Function value 2411.15, Residual: 24.0923
> iter = 16, Function value 2410.86, Residual: 141.566
> iter = 17, Function value 2410.86, Residual: 9.82925
> iter = 18, Function value 2409.03, Residual: 19.0148
> iter = 19, Function value 2405.37, Residual: 187.386
> iter = 20, Function value 2405.37, Residual: 36.1251
> iter = 21, Function value 2403.96, Residual: 461.668
> iter = 22, Function value 2403.96, Residual: 88.5331
> iter = 23, Function value 2401.43, Residual: 125.336
> iter = 24, Function value 2400.63, Residual: 71.9888
> iter = 25, Function value 2396.47, Residual: 153.517
> iter = 26, Function value 2388.32, Residual: 693.48
> iter = 27, Function value 2384.75, Residual: 149.213
> iter = 28, Function value 2384.75, Residual: 155.989
> iter = 29, Function value 2384.74, Residual: 21.693
> iter = 30, Function value 2384.74, Residual: 3.76568
> iter = 31, Function value 2384.5, Residual: 0.0944167
> 4575.709237872599 4.4942328371557893E+307
> 4575.709237872599 1815.299097035091
> 4575.709237872599 4838.211023807340
> 4575.709237872599 1404.451476651041
> 3627.393451094771 11279.72339237862
> 2584.921547425445 16120.47402759046
> 2584.921547425445 1143.996822397298
> 2524.691880989573 257.6142334482682
> 2500.243663647243 1072.250646127577
> 2418.143843854654 16.92068765006729
> 2416.668115647490 178.8482347419252
> 2416.668115647490 3.773542861935354
> 2415.510308753632 10.01522134695003
> 2411.147874535623 391.7622989687072
> 2411.147874535623 311.4852217790456
> 2411.147874535623 24.09225353032197
> 2410.856001083221 141.5657075065890
> 2410.856001083221 9.829250038838696
> 2409.032437701279 19.01475432423581
> 2405.373981543032 187.3859379562852
> 2405.373981543032 36.12514004734248
> 2403.956903740529 461.6682968186628
> 2403.956903740529 88.53313263679679
> 2401.433405170609 125.3358752678410
> 2400.625643950743 71.98880933148733
> 2396.465077162101 153.5169470075242
> 2388.318463061776 693.4800677788330
> 2384.746784861173 149.2130864980433
> 2384.746318005369 155.9885985568999
> 2384.744454905304 21.69300201158603
> 2384.744454905304 3.765677006955844
> 2384.501947107490 9.4416733419311727E-002
88c68
< final delta: 0.0015625
---
> final delta: 0.025
91c71
< total subproblem iterations: 91
---
> total subproblem iterations: 65
94,98c74,78
< Residual in Function/Gradient:=5.48164e-06
< Objective value=2384.48
< total number of iterations=41, (max: 100)
< total number of function evaluations=44, max: 4000
< Solution converged: ||g(X)||/|f(X)| <= grtol
---
> Residual in Function/Gradient:=0.0944167
> Objective value=2384.5
> total number of iterations=31, (max: 100)
> total number of function evaluations=34, max: 4000
> Solution converged: ||g(X)||/||g(X0)|| <= gttol
/sandbox/petsc/petsc.clone-2/src/tao/leastsquares/examples/tutorials
Possible problem with chwirut1f_1 stdout, diffs above
show more ...
|