clf
Flush the cpu cache line by __builtin_clear_cache()
This crate can be used when you do benchmarks that are not dependent on the cpu cache.
Supports
- gcc and clang
- gnu and musl
- x86_64, aarch64, mips64el, powerpc64le ... etc
- minimum support rustc 1.38.0 (625451e37 2019-09-23)
Bugs
- armv7-unknown-linux-musleabihf: can not compile
Examples
Easy to use:
let a = vec![1, 2, 3, 4, 5, 6, 7, 8, 9];
clf::cache_line_flush_with_slice(&a);
or
let a = vec![1, 2, 3, 4, 5, 6, 7, 8, 9];
let begin_ptr = a.as_ptr();
let end_ptr = unsafe { begin_ptr.add(a.len()) };
clf::cache_line_flush_with_ptr(begin_ptr, end_ptr);
References
Changelogs
License
This project is licensed under either of
- Apache License, Version 2.0, (LICENSE-APACHE or https://www.apache.org/licenses/LICENSE-2.0)
- MIT license (LICENSE-MIT or https://opensource.org/licenses/MIT)
at your option.