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AMD Broadcast TLB Invalidation Linux Patches Reworked In 4th Spin
A nice Christmas surprise for 2024 was Meta engineer Rik van Riel posting Linux kernel patches for making use of the AMD INVLPGB instruction found since Zen 3 processors for broadcast TLB invalidation.
A nice Christmas surprise for 2024 was Meta engineer Rik van Riel posting Linux kernel patches for making use of the AMD INVLPGB instruction found since Zen 3 processors for broadcast TLB invalidation. The synthetic benchmark of the AMD INVLPGB showed a very significant boost: I'll be running more AMD INVLPGB benchmarks as this work moves closer to the upstream tree.
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