News for hackers. Stuff that matters.

A comment on Zero-cost futures in Rust. Parent comment

Re:Zero-cost futures in Rust by DblPlusUngood on Friday August 12, 2016 @12:32PM (#12276923)
"Thousands of cycles" is definitely not true on modern CPUs. SYSENTER/SYSEXIT takes 150 cycles on my Xeon X3460.
[ Parent | on HN ]

There are no comments on this comment yet.