IBM Z/OS v2.5, Next-Gen Operating System Designed for Hybrid Cloud and AI

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  • IBM-Z-zOS

    The helpful and handy location for finding and sharing z/OS files, which are not included in the product.

    Here is a good high level slide deck on z/OS 2.5 new features: https://github.com/IBM/IBM-Z-zOS/blob/main/zOS-Education/zOS...

    It starts out with the marketing buzzwords but then drills down into the technical nitty-gritty. In terms of what the "AI" stuff actually means, one answer is contained on slide 121 – support for running Tensorflow and ONNX inside a Linux Docker container using zCX (which lets you run z/Linux Docker containers under z/OS). The zCX SIMD support referenced on slide 102 is probably highly relevant to this.

  • ocmb-explorer-fw

    Source code for firmware running on Explorer OCMB

    Oh boy, that memory bus... I'll get to that in a second. First, yes, IBM creates IP blocks that they then license. Maybe I'm weird, but I view that as software - and I also heartily dislike IP block shops. What makes matters worse is how IBM has an awful track record when it comes to these licenses - they somehow always pick a partner that ensures the tech seeing little to no use. For example, you mentioned their memory bus... guess how they did that: they licensed (or sold?) Centaur to a single party, Microchip, who lists[0] a single memory controller with no price and no apparent interest in actually selling the thing. Also, Synopsys - one of those fabless companies that I love so much, is somehow involved[1]... resulting in memory controller binary blobs. It is pretty awesome really, I don't think IBM could have more surely murdered their tech if they'd tried.

    Now I'm pulling for them, I actually own a POWER9 machine. I think it is great that they want to get memory controllers out of the CPU - but they've done it in such a way that leads me to believe that it is an intentional sabotage, which would only happen if they genuinely had no interest in an active hardware role.

    [0] https://www.microchip.com/en-us/product/PM8596

    [1] https://github.com/open-power/ocmb-explorer-fw/blob/6570112a...

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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