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      Intel DOWNFALL: New Vulnerability Affecting AVX2/AVX-512 With Big Performance Implications

      news.movim.eu / Phoronix • 8 August, 2023

    This Patch Tuesday brings a new and potentially painful processor speculative execution vulnerability... Downfall, or as Intel prefers to call it is GDS: Gather Data Sampling. GDS/Downfall affects the gather instruction with AVX2 and AVX-512 enabled processors. At least the latest-generation Intel CPUs are not affected but Tigerlake / Ice Lake back to Sandy Bridge is confirmed to be impacted. There is microcode mitigation available but it will be costly for AVX2/AVX-512 workloads with GATHER instructions in hot code-paths and thus widespread software exposure particularly for HPC and other compute-intensive workloads that have relied on AVX2/AVX-512 for better performance.
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      AMD "INCEPTION" CPU Vulnerability Disclosed

      news.movim.eu / Phoronix • 8 August, 2023

    AMD has kicked off a busy Patch Tuesday by disclosing INCEPTION, a new speculative side channel attack affecting Zen 3 and Zen 4 processors...
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      Go 1.21 Promotes PGO To General Use, Boosts Most Programs 2~7% With PGO

      news.movim.eu / Phoronix • 8 August, 2023

    Go 1.21 is now available as the latest version of this popular programming language...
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      UCIe 1.1 Specification Released For Universal Chiplet Interconnect

      news.movim.eu / Phoronix • 8 August, 2023

    The Universal Chiplet Interconnect Express Consortium today published the UCe 1.1 specification for helping to standardize die-to-die connectivity with multi-die SoCs...
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      GNOME Shell & Mutter 45 Betas Released

      news.movim.eu / Phoronix • 8 August, 2023

    The GNOME 45 Beta release is imminent and this morning the "45.beta" milestones were tagged for the GNOME Shell and Mutter components...
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      Intel Begins Posting GCC Compiler Patches For AVX10.1

      news.movim.eu / Phoronix • 8 August, 2023

    Last month Intel announced APX and AVX10 as the successor to AVX-512 that will see both P and E cores in the future supporting this updated Advanced Vector Extensions implementation. Delightfully, today Intel engineers began posting GCC compiler patches for beginning to enable AVX10 support...
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      Intel Gets Hogwarts Legacy Running On Linux Driver By Pretending Not To Be Intel Graphics

      news.movim.eu / Phoronix • 8 August, 2023

    Those running Intel Arc Graphics on Linux can now enjoy the Hogwarts Legacy game under Valve's Steam Play. Intel engineers were able to get this open-world action RPG game running on their open-source Vulkan driver by hiding the fact that Intel graphics were rendering this game...
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      GCC 14 Adds gprofng Support For This Next-Gen GNU Profiler

      news.movim.eu / Phoronix • 8 August, 2023

    Merged into the GCC 14 codebase is initial support for gprofng, the new GNU profiler...
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      Rhino Linux 2023.1 Released As Ubuntu-Based Rolling Release OS

      news.movim.eu / Phoronix • 8 August, 2023

    Rhino Linux has rolled out of beta as a community-based, rolling-release Linux distribution derived from Ubuntu...