wuffs VS highway

Compare wuffs vs highway and see what are their differences.

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wuffs highway
80 66
3,743 3,623
1.7% 3.3%
9.4 9.8
about 10 hours ago 7 days ago
C C++
GNU General Public License v3.0 or later Apache License 2.0
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.


Posts with mentions or reviews of wuffs. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-02-04.
  • Still no love for JPEG XL: Browser maker love-in snubs next-gen image format
    7 projects | news.ycombinator.com | 4 Feb 2024
    Maybe this is what you are looking for:


    "Wuffs is a memory-safe programming language (and a standard library written in that language) for Wrangling Untrusted File Formats Safely."

  • 4-year campaign backdoored iPhones using possibly the most advanced exploit
    1 project | news.ycombinator.com | 27 Dec 2023
    It could author its format parsers in https://github.com/google/wuffs, and make them BSD-like open source to maximize adoption.

    An even bigger change: It could allow users to choose their iMessage client freely. Why not open up the protocol? I’m sure a security focused client would be popular and in the grand scheme of things easy to author.

    Perhaps they could open up more of the OS and apps. Perhaps their claims about the security of users and the App Store is kind of BS.

  • Just about every Windows/Linux device vulnerable to new LogoFAIL firmware attack
    4 projects | news.ycombinator.com | 6 Dec 2023
    This is one of the reasons I'm a big fan of wuffs[0] - it specifically targets dealing with formats like pictures, safely, and the result drops in to a C codebase to make the compat/migration story easy.

    [0] https://github.com/google/wuffs

  • Google assigns a CVE for libwebp and gives it a 10.0 score
    5 projects | news.ycombinator.com | 26 Sep 2023
    There are already huffman-decoding and some parts of webp algorithms in https://github.com/google/wuffs (language that finds missing bounds checks during compilations). In contrary, according to readme, this language allows to write more optimized code (compared to C). WEBP decoding is stated as a midterm target in the roadmap.
  • The WebP 0day
    6 projects | news.ycombinator.com | 21 Sep 2023
    Specifically, since performance is crucial for this type of work, it should be written in WUFFS. WUFFS doesn't emit bounds checks (as Java does and as Rust would where it's unclear why something should be in bounds at runtime) it just rejects programs where it can't see why the indexes are in-bounds.


    You can explicitly write the same checks and meet this requirement, but chances are since you believe you're producing a high performance piece of software which doesn't need checks you'll instead be pulled up by the fact the WUFFS tooling won't accept your code and discover you got it wrong.

    This is weaker than full blown formal verification, but not for the purpose we care about in program safety, thus a big improvement on humans writing LGTM.

  • What If OpenDocument Used SQLite?
    8 projects | news.ycombinator.com | 18 Sep 2023
    > parsing encoded files tends to introduce vulnerabilities

    If we are talking about binary formats, now there are systematic solutions like https://github.com/google/wuffs that protect against vulnerabilities. But SQLite is not just a format - it's an evolving ecosystem with constantly added features. And the most prominent issue was not even in core, it was in FTS3. What will SQLite add next? More json-related functions? Maybe BSON? It is useful, but does not help in this situation.

    Regarding traces, there are many forensics tools and even books about forensic analysis of SQLite databases. In well-designed format such tools should not exist in the first place. This is hard requirement: if it requires rewriting the whole file - then so be it.

  • CVE-2023-4863: Heap buffer overflow in WebP (Chrome)
    18 projects | news.ycombinator.com | 12 Sep 2023
    I agree that Wuffs [1] would have been a very good alternative! If it can be made more generally. AFAIK Wuffs is still very limited, in particular it never allows dynamic allocation. Many formats, including those supported by Wuffs the library, need dynamic allocation, so Wuffs code has to be glued with unverified non-Wuffs code [2]. This only works with simpler formats.

    [1] https://github.com/google/wuffs/blob/main/doc/wuffs-the-lang...

    [2] https://github.com/google/wuffs/blob/main/doc/note/memory-sa...

  • NSO Group iPhone Zero-Click, Zero-Day Exploit Captured in the Wild
    3 projects | news.ycombinator.com | 7 Sep 2023
    There are efforts to do that, notably https://github.com/google/wuffs

    RLBox is another interesting option that lets you sandbox C/C++ code.

    I think the main reason is that security is one of those things that people don't care about until it is too late to change. They get to the point of having a fast PDF library in C++ that has all the features. Then they realise that they should have written it in a safer language but by that point it means a complete rewrite.

    The same reason not enough people use Bazel. By the time most people realise they need it, you've already implemented a huge build system using Make or whatever.

  • Ask HN: Wuffs Examples for Text Files?
    1 project | news.ycombinator.com | 22 May 2023
    I finally have time to try out wuffs (https://github.com/google/wuffs), which I first heard about here on HN. I want to develop a low-level tokenizer for SDF files, a small-molecule structure file format which started in the 1970s, with lots of, let's call it 'heritage'. Wuffs' ability to process near the data, with a coroutine-like interface, seems like a good fit.

    I got the "hello-wuffs-c" example to work, which took some tinkering (see wuffs issue #24). That reads a single string and returns an unsigned int. Despite looking at the example implementations for json parsing, I can't figure out how to go from that example to something which handles multiple input buffer blocks, with string tokens that might straddle two buffers.

    Nor could I find third-party examples of people using wuffs-the-language beyond basic experimentation for simple binary data. The handful of non-trivial examples I found only used wuffs-the-library, as a vendored component in a larger project.

    The lack of wuffs-the-language use after several years seems a strong sign that I shouldn't look to wuffs for my project. Given the 'workarounds' in #24 are still present after 3 years, it doesn't even seem that widely internally at Google.

    Does anyone here have experience to share, or pointers to related projects?

  • FaaS in Go with WASM, WASI and Rust
    5 projects | news.ycombinator.com | 7 May 2023
    Here's an off-topic answer.

    Depends on what you want your toy language to do and what sort of runtime support you'd like to lean on.

    JVM is pretty good for a lot of script-y languages, does impose overhead of having a JVM around. Provides GC, Threads, Reflection, consistent semantics. Tons of tools, libraries, support.

    WebAssembly is constrained (for running-in-a-browser safety reasons) but then you get to run your code in a browser, or as a service, etc, and Other People are working hard on the problem of getting your WA to go fast. That used to be a big reason for using JVM, but it turns out that Security Is Darn Hard.

    I have used C in the (distant) past as an IL, and that works up to a point, implementing garbage collection can be a pain if that's a thing that you want. C compilers have had a lot of work on them over the years, and you also have access to some low-level stuff, so if you were E.G. trying to come up with a little language that had super-good performance, C might be a good choice. (See also, [Wuffs](https://github.com/google/wuffs), by Nigel Tao et al at Google).

    A suggestion, if you do target C -- don't work too hard to find isomorphisms between C's data structures and YourToyLang's data structures. Back around 1990, I did my C-generating compiler for Modula-3, and a friend at Xerox PARC used C as a target for Cedar Mesa, and Hans used it in a lower-level way (so I was mapping between M-3 records and C structs, for example, Hans was not) and the lower-level way worked better -- i.e., I chose poorly. It worked, but lower-level worked better.

    If you are targeting a higher-level language, Rust and Go both seem like interesting options to me. Both have the disadvantage that they are still changing slightly but you get interesting "services" from the underlying VM -- for Rust, the borrow checker, plus libraries, for Go, reflection, goroutines, and the GC, plus libraries.

    Rust should get you slightly higher performance, but I'd worry that you couldn't hide the existence of the borrow checker from your toy language, especially if you wanted to interact with Rust libraries from YTL. If you wanted to learn something vaguely publishable/wider-interesting, that question right there ("can I compile a TL to Rust, touch the Rust libraries, and not expose the borrow checker? No+what-I-tried/Yes+this-worked") is not bad.

    I have a minor conflict of interest suggesting Go; I work on Go, usually on the compiler, and machine-generated code makes great test data. But regarded as a VM, I am a little puzzled why it hasn't seen wider use, because the GC is great (for lower-allocation rates than Java however; JVM GC has higher throughout efficiency, but Go has tagless objects, interior pointer support, and tiny pause times. Go-the-language makes it pretty easy to allocate less.) Things Go-as-a-VM currently lacks:

    - tail call elimination (JVM same)


Posts with mentions or reviews of highway. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2024-03-31.
  • Llamafile 0.7 Brings AVX-512 Support: 10x Faster Prompt Eval Times for AMD Zen 4
    3 projects | news.ycombinator.com | 31 Mar 2024
    The bf16 dot instruction replaces 6 instructions: https://github.com/google/highway/blob/master/hwy/ops/x86_12...
  • JPEG XL and the Pareto Front
    9 projects | news.ycombinator.com | 1 Mar 2024
    [0] for those interested in Highway.

    It's also mentioned in [1], which starts off

    > Today we're sharing open source code that can sort arrays of numbers about ten times as fast as the C++ std::sort, and outperforms state of the art architecture-specific algorithms, while being portable across all modern CPU architectures. Below we discuss how we achieved this.

    [0] https://github.com/google/highway

    [1] https://opensource.googleblog.com/2022/06/Vectorized%20and%2..., which has an associated paper at https://arxiv.org/pdf/2205.05982.pdf.

  • Gemma.cpp: lightweight, standalone C++ inference engine for Gemma models
    7 projects | news.ycombinator.com | 23 Feb 2024
    Thanks so much!

    Everyone working on this self-selected into contributing, so I think of it less as my team than ... a team?

    Specifically want to call out: Jan Wassenberg (author of https://github.com/google/highway) and I started gemma.cpp as a small project just a few months ago + Phil Culliton, Dan Zheng, and Paul Chang + of course the GDM Gemma team.

  • From slow to SIMD: A Go optimization story
    10 projects | news.ycombinator.com | 23 Jan 2024
    C++ users can enjoy Highway [1].

    [1] https://github.com/google/highway/

  • GDlog: A GPU-Accelerated Deductive Engine
    16 projects | news.ycombinator.com | 3 Dec 2023
  • Designing a SIMD Algorithm from Scratch
    3 projects | news.ycombinator.com | 28 Nov 2023
    At that point it is better to have some kind of DSL that should not be in the main language, because it would target a much lower level than a typical program. The best effort I've seen in this scene was Google's Highway [1] (not to be confused with HighwayHash) and I even once attempted to recreate it in Rust, but it is still distanced from my ideal.

    [1] https://github.com/google/highway

  • SIMD Everywhere Optimization from ARM Neon to RISC-V Vector Extensions
    6 projects | news.ycombinator.com | 29 Sep 2023
    Interesting, thanks for sharing :)

    At the time we open-sourced Highway, the standardization process had already started and there were some discussions.

    I'm curious why stdlib is the only path you see to default? Compare the activity level of https://github.com/VcDevel/std-simd vs https://github.com/google/highway. As to open-source usage, after years of std::experimental, I see <200 search hits [1], vs >400 for Highway [2], even after excluding several library users.

    But that aside, I'm not convinced standardization is the best path for a SIMD library. We and external users extend Highway on a weekly basis as new use cases arise. What if we deferred those changes to 3-monthly meetings, or had to wait for one meeting per WD, CD, (FCD), DIS, (FDIS) stage before it's standardized? Standardization seems more useful for rarely-changing things.

    1: https://sourcegraph.com/search?q=context:global+std::experim...

    2: https://sourcegraph.com/search?q=context:global+HWY_NAMESPAC...

  • Permuting Bits with GF2P8AFFINEQB
    1 project | news.ycombinator.com | 27 Sep 2023
    Thanks for the link. We were previously using GFNI for bit reversal and 8-bit shifts, and I just extended that to our 8-bit BroadcastSignBit (https://github.com/google/highway/pull/1784).
  • Six times faster than C
    4 projects | news.ycombinator.com | 6 Jul 2023
    You could study Google's Highway library [1].

    [1] https://github.com/google/highway

  • AMD EPYC 97x4 “Bergamo” CPUs: 128 Zen 4c CPU Cores for Servers, Shipping Now
    1 project | news.ycombinator.com | 24 Jun 2023
    Runtime feature detection need not be rare nor hard, it's a few dozen lines of boilerplate. You can even write your code just once: see https://github.com/google/highway#examples.

What are some alternatives?

When comparing wuffs and highway you can also consider the following projects:

png-decoder - A pure-Rust, no_std compatible PNG decoder

xsimd - C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE))

stb - stb single-file public domain libraries for C/C++

Vc - SIMD Vector Classes for C++

csharplang - The official repo for the design of the C# programming language

swup - Versatile and extensible page transition library for server-rendered websites 🎉

image-png - PNG decoding and encoding library in pure Rust

DirectXMath - DirectXMath is an all inline SIMD C++ linear algebra library for use in games and graphics apps

kandria - A post-apocalyptic actionRPG. Now on Steam!

riscv-v-spec - Working draft of the proposed RISC-V V vector extension

rust - Rust for the xtensa architecture. Built in targets for the ESP32 and ESP8266