Decision Optimization

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  • 1.  CPLEX Optimization Studio 22.1.1 is available

    Posted Tue December 13, 2022 09:21 AM

    We are pleased to announce the availability of IBM ILOG CPLEX Optimization Studio 22.1.1.

    This release includes a new heuristic in CPLEX for cardinality-constrained problems.
    It also introduces a feature in CP Optimizer to identify certain variables as having their values inferred by the values of other variables. CP Optimizer also adds a new constraint - subCircuit - to ensure that successor variables form at most one cycle.
    Equivalent features have been added to the OPL IDE to match these additions. It's also now possible for a subscription user to log in to the IDE to access their IBM Cloud subscription details.

    With respect to platforms, this release introduces support for Windows Server 2022 and MacOS Ventura. It also adds an ARM64 port for MacOS, allowing users to run CPLEX Optimization Studio natively on this architecture.

    You can read the release notes here:
    Introducing IBM ILOG CPLEX Optimization Studio 22.1.1

    Passport Advantage customers can find details about the installer images here: Downloading IBM ILOG CPLEX Optimization Studio 22.1.1

    IBM SkillsBuild and Academic Initiative users can find the installers via the SkillsBuild website, by searching for the installer image for their platform. 
    The images are listed in this support page: Downloading IBM ILOG CPLEX Optimization Studio 22.1.1



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    Rory Keeley
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    #DecisionOptimization


  • 2.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Tue January 03, 2023 02:24 PM
    With respect to platforms, this release introduces support for Windows Server 2022 and MacOS Ventura. It also adds an ARM64 port for MacOS, allowing users to run CPLEX Optimization Studio natively on this architecture.

    Unfortunately, I still have this compatibility problem with my M1 chip from Apple (MacBook). Even with this new version of Cplex. Am I alone with this problem? Is there a way to use Cplex on a M1 chip?

    Laurent Houssin

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    LAURENT HOUSSIN
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  • 3.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Wed January 04, 2023 11:57 AM

    Hello ,

    Using the cplex_studio2211.osx.arm64.zip (or COSCE2211_MACOS.ARM64.zip for the Community Edition), you can run CPLEX on a M1 chip.

    Regards,



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    Christophe Gefflot
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  • 4.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Mon January 09, 2023 12:27 PM
    Thank you Christophe, but the the problem still remains.
    Actually, someone has the same problem here:
    https://community.ibm.com/community/user/datascience/discussion/cplex-python-package-not-working-on-arm64-architecture?ReturnUrl=%2fcommunity%2fuser%2fdatascience%2fcommunities%2fcommunity-home%2fdigestviewer%3fcommunitykey%3dab7de0fd-6f43-47a9-8261-33578a231bb7

    I tried to use the arch command but it yields no results.

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    Laurent Houssin
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  • 5.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Wed January 11, 2023 05:43 AM

    Hello Laurent,

    As mentioned in the post , you have to double check that you use the arm64 environment.  



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    Christophe Gefflot
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  • 6.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Fri January 13, 2023 09:33 AM
    Good time;
    Sorry, I could not find the version 22.1.1 in the website https://www.ibm.com/academic/topic/data-science.

    There is just the version IBM ILOG CPLEX Optimization Studio V22.1.0.

    Would you please let me know how to download this new version.
    I used "Get the no cost academic edition".

    Thanks


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    Roya Radgohar
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  • 7.  RE: CPLEX Optimization Studio 22.1.1 is available

    Posted Fri January 13, 2023 09:51 AM
    Hi Roya

    You should be able to find the latest version by searching on the IBM SkillsBuild/Academic Initiative website using the appropriate part number for your platform. You can find the part numbers here: https://www.ibm.com/support/pages/downloading-ibm-ilog-cplex-optimization-studio-2211

    regards

    Rory

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    Rory Keeley
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