According to the GPU-FS blog <https://urldefense.com/v3/__https://www.gem5.org/2023/02/13/moving-to-full-system-gpu.html__;!!K-Hz7m0Vt54!k9hG9tkVg8rKCoOxEFpXaQmrvFKmQeDhFkiaPWuQkMFWMhio1S4d8IWkF32x0Nyo7bBbV3LJKv6eLEKcc8oh0uyzua4$> , "*Currently KVM and X86 are required to run full system. Atomic and Timing CPUs are not yet compatible with the disconnected Ruby network required for GPUFS and is a work in progress*." My understanding is that KVM is used to boot Ubuntu; so, are the GPU applications run on KVM? Also, what does "disconnected" Ruby network mean there? If so, is there any work in progress that I can use to develop on, or a (noob-friendly) documentation of what needs to be done to extend the support to Atomic/O3 CPU? For a project I'm working on, I need complete visibility into the CPU+GPU cache hierarchy + perhaps a few more custom probes; could you comment on whether this would be restrictive if going with KVM in the meantime given that it leverages the host for the virtualized HW?
Please let me know if I have got any of this wrong or if there are other details you think would be useful.
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