News for hackers. Stuff that matters.

A comment on Cache invalidation is one of the hardest problems in computer science. Parent comment

Re:Cache invalidation is one of the hardest problems in comp... by debugnik on Sunday November 27, 2022 @06:58AM (#33762357)
AArch64 processors are available with 64 and 128 byte cache lines, and big.LITTLE processors may report different icache line sizes on different cores[1], so a single thread can even be rescheduled across different icache line sizes (no idea about dcache).

[1]: https://www.mono-project.com/news/2016/09/12/arm64-icache/

[ Parent | on HN ]

There are no comments on this comment yet.