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x86-64-v5? Questions Arise Over The Future Of x86-64 Micro-Architecture Feature Levels
While recently there has been more Linux distribution vendor interest in evaluating x86-64-v2 and/or x86-64-v3 baselines for future Linux distribution releases as well as offering optimized packages for higher x86-64 baselines either for x86-64-v3 with being able to assume AVX/AVX2 or in the x86-64-v4 level where AVX-512 is introduced, the prospect of x86-64 micro-architecture feature levels for future processors isn't clear.
These have worked out well with x86-64-v2 encompassing useful additions and rather robustly supported by any non-obsolete x86_64 CPUs, x86-64-v3 adding AVX/AVX2 and other ISA features of the past decade, and then x86-64-v4 for AVX-512. Lawrence Benson with TU Munich was raising the possibility of a x86-64-v5 target that could encompass CPU ISA features of the very latest AMD and Intel CPUs. So it will be interesting to see how future AVX10 iterations play out and if new x86-64 feature level versions reach consensus.About The AuthorMichael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience.
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