Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
ww520
on Feb 9, 2022
|
parent
|
context
|
favorite
| on:
Landing a new syscall, part 1: What is futex?
Yes, CMPXCHG is a relatively more expensive instruction. In x86 it is a memory barrier instruction.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
