[Coin-discuss] ClpModel, optimize for delayed constraint generation
Sebastian Nowozin
nowozin at gmail.com
Tue Oct 14 12:29:20 EDT 2008
Thanks John!
Using your advice its down from ~80s for ~60k inequalities to merely
0.2s. Quite a speedup.
Sebastian
John J Forrest wrote:
> I keep meaning to get back to making such things more efficient, but ...
> [...]
> You could set up reasonable sized arrays and then trigger an addRows
> earlier if you are generating too many violated constraints, or if
> finding the violated inequalities is fast then just count, reserve, fill
> and addRows.
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