Webb@GitterIRCbot: [slack] am currently trying `randomSeed*=*1, randomCbcSeed*=*1` WebbHi Harley, > I assume that you are using mathprog and then producing an MPS file for > CBC, and as you point out, you can't then use the mathprog output > statements and …
numpy.random.seed — NumPy v1.24 Manual
WebbFrom: : Andrew Makhorin: Subject: [Help-glpk] [Fwd: randomization in MIPs] Date: : Mon, 17 Dec 2012 15:37:49 +0400 CBC (COIN-OR Branch and Cut) is an open-source mixed integer programming solver working with the COIN-OR LP solver CLP and the COIN-OR Cut generator library Cgl. The code has been written primarily by John J. Forrest. Most of the CBC documentation in the section was copied from the help in the CBC … Visa mer The following statement can be used inside your GAMS program to specify using CBC The above statement should appear before the Solve statement. If CBC was … Visa mer There are many parameters which can affect the performance the CBCs Branch and Cut Algorithm. First just try with default settings and look carefully at the log … Visa mer In the following, we give a detailed description of all available CBC options. autoScale: Whether to scale objective, rhs and bounds of problem if they look odd … Visa mer newracom 代理店
Re: [Help-glpk] Multithreading/parallelization
WebbHarley, > command line - cbc braemar_prices_dop.mod% -randomCbcSeed 0 -randomSeed > 0 -proximity on -threads 8 -printi csv -solve -solu > braemar_prices_dop.csv (default strategy 1) > GMPL model file ./braemar_prices_dop.mod and data file ./ > GLPK is not available > Aborted (core dumped) > > That suggests the glpk code hasnt been included … WebbHi Harley, > I assume that you are using mathprog and then producing an MPS file for > CBC, and as you point out, you can't then use the mathprog output > statements and would have to process the results some other way. No, I run my MIP MathPog model in CBC solver. I compiled CBC with MathProg parser in Mac OS X. CBC has third parties "add … WebbRandomC : Integer : -1 : RandomCbcSeed If you want CBC to give the same results on repeated executions use the same random seed. If you have time you may want to … new rackheath met office