bumpalo VS rust-phf

Compare bumpalo vs rust-phf and see what are their differences.

bumpalo

A fast bump allocation arena for Rust (by fitzgen)

rust-phf

Compile time static maps for Rust (by sfackler)
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bumpalo rust-phf
17 17
1,431 1,843
- 1.5%
6.7 2.2
2 months ago 3 months ago
Rust Rust
Apache License 2.0 MIT License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

bumpalo

Posts with mentions or reviews of bumpalo. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-10-28.
  • Implementing Webpack from Scratch, But in Rust - [2] MVP Version
    3 projects | dev.to | 28 Oct 2024
    The Allocator is a memory allocation tool based on bumpalo. It seems that Allocator is commonly used in implementing parsers. You can refer to this tutorial for more information, but for now, we will skip it.
  • Rust vs Zig Benchmarks
    6 projects | news.ycombinator.com | 17 Jun 2023
    Long story short, heap allocation is painfully slow. Any sort of malloc will always be slower than a custom pool or a bump allocator, because it has a lot more context to deal with.

    Rust makes it especially hard to use custom allocators, see bumpalo for example [0]. To be fair, progress is being made in this area [1].

    Theoretically one can use a "handle table" as a replacement for pools, you can find relevant discussion at [2].

    [0] https://github.com/fitzgen/bumpalo

  • Rust Memory Management
    1 project | /r/rust | 4 Jun 2023
    There are ways to accomplish this as well. Different allocator libraries exist for this kind of scenario, namely bumpallo which allocates a larger block of memory from the kernel, and allocates quickly thereafter. That would amortize the cost of memory allocations in the way I think you're after?
  • Custom allocators in Rust
    4 projects | /r/rust | 6 Apr 2023
  • A C Programmers take on Rust.
    6 projects | /r/rust | 9 Sep 2022
    Meaning, storing a lot of things in the same block of allocated memory? Vec is a thing, you know. There's also a bump allocator library.
  • Hypothetical scenario - What would be better - C, C++ or Rust? (Read desc.)
    1 project | /r/cpp | 1 Aug 2022
    There are data structures like slotmap, and relatively low-level crates like bumpalo. This is not to say that either fits your use case, just that you definitely have access to the necessary parts to fit what you describe.
  • Implementing "Drop" manually to show progress
    1 project | /r/rust | 4 May 2022
    Sometimes you can put everything in a bump allocator, then when you're done, free the entire bump allocator in one go. https://docs.rs/bumpalo/
  • Any languages doing anything interesting with allocators?
    4 projects | /r/ProgrammingLanguages | 23 Feb 2022
    This is useful with crates like bumpalo which give you bump-allocation arenas whose lifetimes are tied to the objects they allocate.
  • I’m Porting the TypeScript Type Checker Tsc to Go
    8 projects | news.ycombinator.com | 25 Jan 2022
    TSC doesn't need to "stick around", right? Just a run-once and the program is over?

    In those cases, https://github.com/fitzgen/bumpalo works amazingly as an arena. You can pretty much forget about reference counting and have direct references everywhere in your graph. The disadvantage is that it's hard to modify your tree without leaving memory around.

    We use it extensively in http://github.com/dioxusLabs/dioxus and don't need to worry about Rc anywhere in the graph/diffing code.

  • Allocating many Boxes at once
    2 projects | /r/rust | 12 Jan 2022
    Probably bumpalo, but then its Box will have a lifetime parameter - bumpalo::boxed::Box<'a, dyn MyTrait>

rust-phf

Posts with mentions or reviews of rust-phf. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-09-10.

What are some alternatives?

When comparing bumpalo and rust-phf you can also consider the following projects:

generational-arena - A safe arena allocator that allows deletion without suffering from the ABA problem by using generational indices.

parallel-hashmap - A family of header-only, very fast and memory-friendly hashmap and btree containers.

hashbrown - Rust port of Google's SwissTable hash map

string-cache - String interning for Rust

feel

sharded - Safe, fast, and obvious concurrent collections in Rust.

ocaml-multicore - Multicore OCaml

patterns - A catalogue of Rust design patterns, anti-patterns and idioms

moonfire-nvr - Moonfire NVR, a security camera network video recorder

rust - Empowering everyone to build reliable and efficient software.

substrate-open-working-groups - The Susbstrate Open Working Groups (SOWG) are community-based mechanisms to develop standards, specifications, implementations, guidelines or general initiatives in regards to the Substrate framework. It could, but not restricted to, lead to new Polkadot Standards Proposals. SOWG is meant as a place to find and track ongoing efforts and enable everybody with similar interests to join and contribute.

matchgen - Generate Rust functions to quickly map byte string prefixes to values

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