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Linux 6.5 Adds CXL Device Sanitization, Secure Erase, CXL 3.0 Performance Monitor

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  • mangeek
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    I really believe we're headed towards some extra-unified stuff soon. Imagine a consumer CPU with a ridiculously fast 16GB or 32GB RAM chiplet that the iGPU can use, and a CXL link to second-tier RAM expansion. Imagine CXL to VRAM on a discrete GPU so your OS can use that memory. Imagine 'swap' going away and part of NVMe just being addressed as third-tier memory. Imagine a different disk cache where your whole block storage is mapped to the 64-bit memory address space and the OS just caches stuff into the 'chip memory' tier when it's been used. We have a lot of deeply-set notions of how things work that are based on disks being VERY slow and one kind of RAM that's like four or five orders of magnitude faster that are... less true now. We have a lot of notions about 'blocks' vs 'pages' that seem less important when you've got a native ability to handle 2^64 4K or 2MB chunks.
    Last edited by mangeek; 04 July 2023, 12:06 AM.

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  • Linux 6.5 Adds CXL Device Sanitization, Secure Erase, CXL 3.0 Performance Monitor

    Phoronix: Linux 6.5 Adds CXL Device Sanitization, Secure Erase, CXL 3.0 Performance Monitor

    The Compute Express Link (CXL) enablement in the Linux kernel remains ongoing and with the in-development Linux 6.5 kernel are yet more features now being enabled for this exciting industry standard...

    Phoronix, Linux Hardware Reviews, Linux hardware benchmarks, Linux server benchmarks, Linux benchmarking, Desktop Linux, Linux performance, Open Source graphics, Linux How To, Ubuntu benchmarks, Ubuntu hardware, Phoronix Test Suite
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