Comments (4)
Ah, is this "orbital branching"?
from scip.
Yes, that's one thing. It's for finding and exploiting symmetries in the problem formulation.
from scip.
SCIP uses graph isomorphism tools to compute the symmetry group of mixed integer (nonlinear) programs. It currently supports bliss
and nauty
. In addition, the graph isomorphism preprocessor sassy
is used. The default is to use sassy
and bliss
. What do you mean by graph isomorphism solver heuristics
? Is sassy
such a heuristic?
An overview of the techniques used in SCIP is given in the SCIP Optimization Suite release reports, see the SCIP webpage.
from scip.
Those reports have more than enough information. Thanks! (I meant using GI in formulating primal heuristics)
from scip.
Related Issues (20)
- [Feature request] Writing a problem to the AMPL format
- CI/CD: Request for improved clarity on how release artifacts are built HOT 3
- question: how not to use nlpi_ipopt which depend on proprietray libhsl.so? HOT 3
- Interesting paper HOT 1
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- question: compiled with GMP=on, how to ensure GMP is used with CVXPY? HOT 3
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- Adding constraint improves objective. HOT 4
- Request: Publish debs for aarch64
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- Changing variable bounds during reoptimization HOT 9
- [Feature request] WebAssembly target HOT 4
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from scip.