NUMA Interface For FUTEX2 Still Being Tackled For Linux

[phoronix]

Phoronix: NUMA Interface For FUTEX2 Still Being Tackled For Linux

Merged last year for the Linux 5.16 cycle was FUTEX2's futex_waitv() system call for waiting on multiple futexes in order to better match the behavior of Microsoft Windows. This FUTEX2 initiative was driven as an effort to further enhance Linux gaming performance/efficiency particularly for Valve's Steam Play. Originally there were other goals with FUTEX2 and now we are seeing another one of those being worked on: NUMA awareness...

https://www.phoronix.com/news/FUTEX2-NUMA-Still-Coming-2022

[JEBjames]

Michael

Grammar

"The proposed addition is being able to add a NUMA hint if it should reside in the current node otherwise can specify a particular node." Maybe something like "The proposed addition is being able to add a NUMA hint if it should reside in the current node otherwise it can specify a particular node."

[Dasein]

Quite interested in when the ETA for variable sized futexes is... 🤔