ghafour ahani
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Latest activity by ghafour ahani-
ghafour ahani commented,
Correct. But, I am adding new variables to the relaxed model in an iterative process, and from time to time I need to switch back the model to integer form and solve the model. Therefore, I need t...
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ghafour ahani created a post,
unrelax a model
AnsweredHi All, I am using Python-Gurobi. I create an integer linear model, then I relax and solve it. Now, I would like to switch back the model to its integer form after solving its relaxation. Is that p...
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ghafour ahani created a post,
Concurrent Optimizer: one core one thread
AnsweredHi, Assume my computer has one core with one thread. Now, if I optimize an LP using default parameters (i.e., when Gurobi uses concurrent optimizer), then there is no benefit of using concurrent op...
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ghafour ahani commented,
Hi again, Thanks for the reply. Yes it should work. I think it is not possible to share a Gurobi model among processors, right? best, Ghafour
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ghafour ahani commented,
Sorry for not being clear. Yes correct. P2 has to wait for P1. The thing is that P1 itself is consists of several small problems that can be solved in parallel. The same thing for P2. Thanks agai...
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ghafour ahani commented,
Hi Jaromil, Thanks for the reply. Please note that P1 and P2 need to be solved alternately. Namely, I need to solve P1, terminate the process of P1 (to release the CPU resources), and pass the res...
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ghafour ahani created a post,
multiprocessing, model updating, iterative process
AnsweredHi,I am working on solving and updating an optimization model iteratively via Gurobi-Python. Namely, first I generate an optimization model, and then I repeatedly solve and update the model (e.g., ...