A port of dlmalloc to Rust.

Last update: Dec 3, 2021

Related tags

Miscellaneous dlmalloc-rust

Overview

dlmalloc-rs

A port of dlmalloc to Rust.

Documentation

Why dlmalloc?

This crate is a port of dlmalloc to Rust, and doesn't rely on C. The primary purpose of this crate is to serve as the default allocator for Rust on the wasm32-unknown-unknown target. At the time this was written the wasm target didn't support C code, so it was required to have a Rust-only solution.

This allocator is not the most performant by a longshot. It is primarily, I think, intended for being easy to port and easy to learn. I didn't dive too deep into the implementation when writing it, it's just a straight port of the C version.

It's unlikely that Rust code needs to worry/interact with this allocator in general. Most of the time you'll be manually switching to a different allocator :)

License

This project is licensed under either of

Apache License, Version 2.0, (LICENSE-APACHE or http://www.apache.org/licenses/LICENSE-2.0)
MIT license (LICENSE-MIT or http://opensource.org/licenses/MIT)

at your option.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in this project by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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Comments

allow allocations in static memory page
it's possible now to make not aligned by DEFAULT_GRANULARITY segments.

add support of preinstalled memory - memory which can be used by allocator without calling system allocation. In our case it's done to use the remainder of static data page, where static data occupies only begin of the pages and all other space remains free.
opened by grishasobol 0

A port of dlmalloc to Rust.

Related tags

Overview

dlmalloc-rs

Why dlmalloc?

License

Contribution

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Owner

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