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Bumpalo Alternatives
Similar projects and alternatives to bumpalo
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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zig
General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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rust-analyzer
Discontinued A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer] (by rust-analyzer)
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regex
An implementation of regular expressions for Rust. This implementation uses finite automata and guarantees linear time matching on all inputs.
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jsii
jsii allows code in any language to naturally interact with JavaScript classes. It is the technology that enables the AWS Cloud Development Kit to deliver polyglot libraries from a single codebase!
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wg-allocators
Home of the Allocators working group: Paving a path for a standard set of allocator traits to be used in collections!
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OpenVehicleDiag
A rust based cross-platform ECU diagnostics and car hacking application, utilizing the passthru protocol
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generational-arena
Discontinued A safe arena allocator that allows deletion without suffering from the ABA problem by using generational indices.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better bumpalo alternative or higher similarity.
bumpalo reviews and mentions
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 2023-06-17.
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Rust vs Zig Benchmarks
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
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Rust Memory Management
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
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A C Programmers take on Rust.
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.
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Hypothetical scenario - What would be better - C, C++ or Rust? (Read desc.)
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.
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Implementing "Drop" manually to show progress
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/
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Any languages doing anything interesting with allocators?
This is useful with crates like bumpalo which give you bump-allocation arenas whose lifetimes are tied to the objects they allocate.
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I’m Porting the TypeScript Type Checker Tsc to Go
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.
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Allocating many Boxes at once
Probably bumpalo, but then its Box will have a lifetime parameter - bumpalo::boxed::Box<'a, dyn MyTrait>
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Graydon Hoare: What's next for language design? (2017)
Strictly speaking, Rust doesn't need this as a built-in language feature, because its design allows it to be implemented as a third-party library: https://docs.rs/bumpalo
The biggest problem is that there's some awkwardness around RAII; I'm not sure whether that could have been avoided with a different approach.
Of course, ideally you'd want it to be compatible with the standard-library APIs that allocate. This is implemented, but is not yet at the point where they're sure they won't want to make backwards-incompatible changes to it, so you can only use it on nightly. https://doc.rust-lang.org/stable/std/alloc/trait.Allocator.h...
Or are you suggesting that the choice of allocator should be dynamically scoped, so that allocations that occur while the bump allocator is alive automatically use it even if they're in code that doesn't know about it? I think it's not possible for that to be memory-safe; all allocations using the bump allocator need to know about its lifetime, so that they can be sure not to outlive it, which would cause use-after-free bugs. I'm assuming that Odin just makes the programmer responsible for this, and if they get it wrong then memory corruption might occur; for a memory-safe language like Rust, that's not acceptable.
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A note from our sponsor - SaaSHub
www.saashub.com | 25 Apr 2024
Stats
Basic bumpalo repo stats
16
1,295
7.5
11 days ago
fitzgen/bumpalo is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of bumpalo is Rust.
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