OPTIM
OPTIM is used for saddle search. Wales group OPTIM, from the same URL as gmin.
Versions
| Role | Ref | Commit | Source |
|---|---|---|---|
| saddle search | svn.tar.bz2 | latest | https://www-wales.ch.cam.ac.uk/svn.tar.bz2 |
Best cost
Results
Ranked rows for this code, one version and one method on each row. PAR-2 counts a finished run as the calls it used and a failed run as twice the cap. An archived row shows the average it published, and its PAR-2 applies that rule to the failures the entry records. Scoring rules.
| Suite | Problem | Row | Family | Family rank | Unit | PAR-2 | Published | Median calls | Mean calls | Hessians | FD calls | Failures | Runs |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Double-ended saddle search | LJ38 double-ended saddle | OPTIM · DNEB + hybrid eigenvector following | Connect / double-ended | 1 | force calls | 131 | 131 | 120 | 131 | 0 | 0 | 0 failed | 50 |
| Double-ended saddle search | Lennard-Jones 38 transition-state separation | OPTIM · DNEB + hybrid eigenvector following + Djikstra shortest path | Connect / double-ended | 1 | force calls | 2885 | 2885 | 2565 | 2885 | 0 | 0 | 0 failed | 51 |
| Double-ended saddle search | Pt heptamer island | OPTIM · DNEB + hybrid eigenvector following | Connect / double-ended | 1 | force calls | 103 | 103 | 98 | 103 | 0 | 0 | 0 failed | 59 |
| Double-ended saddle search | Pt heptamer island | OPTIM · climbing string | Connect / double-ended | 3 | force calls | 319 | 319 | 286 | 319 | 0 | 0 | 0 failed | 59 |
| Lowest eigenvector | Lennard-Jones 38 | OPTIM · hybrid eigenvector following | Connect / double-ended | 1 | force calls | 25 | 25 | 23 | 25 | 0 | 0 | 0 failed | 200 |
| Minimization | Lennard-Jones 38 clusters | OPTIM · L-BFGS | Minimizers | 7 | force calls | 176 | 176 | 166 | 176 | 0 | 0 | 0 failed | 1000 |
| Minimization | Lennard-Jones 38 clusters | OPTIM (svn-snapshot) · L-BFGS | Minimizers | 17 | force calls | 270.341 | 217 | 230.724 | 0 | 0 | crash 0, divergence 0, cap 0, wrong_stationary 2 | 1000 | |
| Minimization | Morse bulk | OPTIM · L-BFGS | Minimizers | 16 | force calls | 46 | 46 | 45 | 46 | 0 | 0 | 0 failed | 100 |
| Minimization | Morse bulk | OPTIM (svn-snapshot) · L-BFGS | Minimizers | 59 | force calls | 17408.8 | 65 | 65.19 | 0 | 0 | crash 0, divergence 0, cap 0, wrong_stationary 87 | 100 | |
| Transition state optimization | Lennard-Jones 38 | OPTIM · hybrid eigenvector following | Connect / double-ended | 1 | force calls | 145 | 145 | 119 | 145 | 0 | 0 | 0 failed | 200 |
| Transition state optimization | Pt heptamer island | OPTIM · hybrid eigenvector following | Connect / double-ended | 1 | force calls | 71 | 71 | 70 | 71 | 0 | 0 | 0 failed | 49 |