Concurrent TLB Flushing For Linux 5.13 Provide A Small Performance Benefit

[phoronix]

Phoronix: Concurrent TLB Flushing For Linux 5.13 Provide A Small Performance Benefit

Linux 5.13's x86 memory management work is bringing a minor performance optimization that is particularly beneficial in light of the CPU security mitigations in recent years that have an impact on the TLB...

https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.13-Concurrent-TLB-Flush

[rene]

Tested that and can confirm it improves kernel compile time on an AMD Ryzen 5950x by ~2.5% ;-) https://www.youtube.com/watch?v=h6l7gOqzZgU