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Portable-simd Alternatives
Similar projects and alternatives to portable-simd
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src
Read-only git conversion of OpenBSD's official CVS src repository. Pull requests not accepted - send diffs to the tech@ mailing list.
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tokio
A runtime for writing reliable asynchronous applications with Rust. Provides I/O, networking, scheduling, timers, ...
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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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SaaSHub
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config-rs
⚙️ Layered configuration system for Rust applications (with strong support for 12-factor applications).
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heroku-buildpack-rust
A buildpack for Rust applications on Heroku, with full support for Rustup, cargo and build caching.
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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 portable-simd alternative or higher similarity.
portable-simd discussion
portable-simd reviews and mentions
Posts with mentions or reviews of portable-simd.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-03-16.
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Zlib-rs is faster than C
Others have already addressed the "unsafe" smell.
I think the bigger point here is that doing SIMD in Rust is still painful.
There are efforts like portable-simd [1] to make this better, but in practice, many people are dropping down to low-level SIMD intrinsics and/or inline assembly, which are no better than their C equivalents.
[1]: https://github.com/rust-lang/portable-simd
- Rust-lang/portable-SIMD: The testing ground for the future of portable SIMD
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Let's thank who have helped us in the Rust Community together!
Jubilee and Caleb Zulawski for their tireless work on the portable SIMD project. It will land, some day, and when it does it's going to be an amazing boon for the project.
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Mutually aligned vectors?
The portable SIMD project implements an as_simd() function for slices. The basics are that you get 3 slices and the middle one is a SIMD slice. It allows for fast aligned loads of the data, which could matter if your algorithm is becoming memory bound; it is also a convenient and safe abstraction. In my case, I actually have 2 vectors (say, x and y). I can take them apart using as_simd() like so:
- Code review: deinterlacing a RGBA colour buffer with std::simd
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Base64 Encoding Performance: Java vs Rust
Rust has generics and monomorphization. You can write the algorithm once and compile for multiple targets. rust-lang/portable-simd
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Zen4's AVX512 Teardown
This Rust issue [0] was the best short summary of what an SIMD Shuffle is I could find:
„A "shuffle", in SIMD terms, takes a SIMD vector (or possibly two vectors) and a pattern of source lane indexes (usually as an immediate), and then produces a new SIMD vector where the output is the source lane values in the pattern given.“
[0] https://github.com/rust-lang/portable-simd/issues/11
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possibility of blas natively in Rust
Yet by default it generates code which is only compatible with Pentium4 or newer. In fact lots of serious issues relate to older CPUs and rustc developers plan is to declare them closed when they would be able to drop i686 support (all AMD CPUs which support SSE2 support x86-64, too while Intel situation is mess).
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Best portable simd library for stable rust?
The standard API crate for portable simd is at https://github.com/rust-lang/portable-simd, but using this requires nightly, which I don't want to do. I'd like to use a crate for simd that works on both x86_64 and wasm in stable rust. wide looks fine for this purpose. Are there any potentially better choices?
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Any plans for built-in support of Vec2/Vec3/Vec4 in Rust?
See: https://github.com/rust-lang/portable-simd
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Stats
Basic portable-simd repo stats
20
965
7.8
about 1 month ago
rust-lang/portable-simd is an open source project licensed under Apache License 2.0 which is an OSI approved license.
The primary programming language of portable-simd is Rust.
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