Linux Kernel Patches To Use AMD INVLPGB Instruction Show Huge Speed-Up

Posted by Scott_Ruecker on Dec 23, 2024 3:24 PM EDT
Phoronix; By Michael Larabel 		Mail this story
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Since AMD Zen 3 processors there has been the INVLPGB instruction for invalidating TLB entries for a range of pages with broadcast. As mentioned back during the AMD EPYC 7003 "Milan" launch, INVLPGB usage around this new instruction was limited...

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