SoftSaddle

SoftSaddle is used for saddle search. April 2019 adaptive hypersphere with LBFGS memory 60, from softsaddle.tar.gz sha256 5a00aeed.

Versions

Registry pins for this code.
RoleRefCommitSource
saddle search website/codes/softsaddle.tar.gz 5a00aeede06f https://github.com/henkelmangroup/optbench

Best cost

Best cost for Lennard-Jones 38Lennard-Jones 3810¹10²10³10⁴10⁵cost (force calls, log scale)Sella: 17.8Sella17.8OPTIM: 25OPTIM25pele: 25pele25TSASE: 25TSASE25rgsaddle: 26.12rgsaddle26.12eOn: 26.385eOn26.385Eon svn: 26.385Eon svn26.385pARTn: 2619.84pARTn2619.84pysisyphus: 4017.14pysisyphus4017.14SoftSaddle: 18700.6SoftSaddle18700.6
A shorter bar is a lower cost on a log scale shared by the codes of this problem.
Best cost for Pt heptamer islandPt heptamer island10³10⁴10⁵10⁶10⁷10⁸10⁹cost (force calls, log scale)Sella: 5201.62Sella5201.62SoftSaddle: 10124.2SoftSaddle10124.2rgsaddle: 10128rgsaddle10128eOn: 2e+08eOn2e+08
A shorter bar is a lower cost on a log scale shared by the codes of this problem.

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.

Every ranked row for this code. Select a column heading to sort.
SuiteProblemRowFamilyFamily rankUnitPAR-2PublishedMedian callsMean callsHessiansFD callsFailuresRuns
Lowest eigenvector Lennard-Jones 38 SoftSaddle (2019.04) · Lanczos Minimum mode 22 force calls 18700.6 19 18.91 0 0 crash 0, divergence 187, cap 0, wrong_stationary 0 200
Lowest eigenvector Lennard-Jones 38 SoftSaddle (2019.04) · Davidson Minimum mode 23 force calls 18925.6 695 696.475 0 0 crash 0, divergence 189, cap 0, wrong_stationary 0 200
Saddle search Pt heptamer island SoftSaddle (2019.04) · adaptive hypersphere LBFGS Lanczos Minimum mode 1 force calls per search 10124.2 389 431.839 0 0 crash 0, divergence 4884, cap 108, wrong_stationary 6 5000
Saddle search Pt heptamer island SoftSaddle (2019.04) · adaptive hypersphere LBFGS Davidson Single-ended saddle 2 force calls per search 10128 1060 1059.76 0 0 crash 0, divergence 0, cap 5000, wrong_stationary 0 5000
Saddle search Pt heptamer island SoftSaddle · adaptive_HSphere-lbfgs-davidson-sm50 Single-ended saddle 1 force calls per campaign 423491 423491 0 0 not recorded 10
Saddle search Pt heptamer island SoftSaddle · adaptive_HSphere-lbfgs-lanczos-sm50 Minimum mode 1 force calls per campaign 814519 814519 0 0 not recorded 10
Saddle search Pt heptamer island SoftSaddle · adaptive_HSphere-lbfgs-lanczos-sm0 Minimum mode 2 force calls per campaign 1.00343e+06 1.00343e+06 0 0 not recorded 10