memx

memx minics libc.

This crate is implemented memory functions like libc memcmp(), memchr(), memmem(), memcpy(), memset().

Features

• Rewriting with rust lang.
• minimum support rustc 1.56.1 (59eed8a2a 2021-11-01)

Todo

• [ ] Support the zero overhead trait.
• [x] Support more fast routine on armv7-android
• [x] Support more fast routine on x86_64
• [x] Support #![no_std]

Support status of miri :: rustc 1.68.0-nightly (77429957a 2023-01-01)

Ok lists:

• cargo +nightly miri test --target=x86_64-unknown-linux-gnu
• cargo +nightly miri test --target=i686-unknown-linux-gnu
• cargo +nightly miri test --target=i586-unknown-linux-gnu
• cargo +nightly miri test --target=aarch64-unknown-linux-gnu
• cargo +nightly miri test --target=armv7-unknown-linux-gnueabihf

Failed lists:

• nothing

Benchmark results

| forward search | backward search | |:-------------------|:--------------------| | [memchr()] | [memrchr()] | | [memnechr()] | [memrnechr()] | | [memmem()] | [memrmem()] | | | | | [memchr_dbl()] | [memrchr_dbl()] | | [memchr_tpl()] | [memrchr_tpl()] | | [memchr_qpl()] | [memrchr_qpl()] | | | | | [memnechr_dbl()] | [memrnechr_dbl()] | | [memnechr_tpl()] | [memrnechr_tpl()] | | [memnechr_qpl()] | [memrnechr_qpl()] |

| memory op | |:---------------| | [memcmp()] | | [memeq()] | | [memcpy()] | | [memset()] |

Changelogs

This crate's changelog here.

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.