reference-types
teavm
reference-types | teavm | |
---|---|---|
9 | 30 | |
151 | 2,479 | |
- | - | |
5.3 | 9.5 | |
over 2 years ago | 8 days ago | |
WebAssembly | Java | |
GNU General Public License v3.0 or later | Apache License 2.0 |
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reference-types
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Old CSS, new CSS (2020)
> It could be an interesting use case for WASM if the problem of passing data into the WASM VM cheaply (perhaps by reference) can be solved.
WASM Reference Types should hopefully solve this. The WASM working group seems to have some good momentum - so I'm hopeful this (or a similar replacement spec) will land sooner rather than later.
https://github.com/WebAssembly/reference-types/blob/master/p...
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Bring garbage collected programming languages efficiently to WebAssembly
AFAIK GC is irrelevant for "direct DOM access", you would rather want to hop into the following rabbit hole:
- reference types: https://github.com/WebAssembly/reference-types/blob/master/p...
- interface types (inactive): https://github.com/WebAssembly/interface-types/blob/main/pro...
- component model: https://github.com/WebAssembly/component-model
If this looks like a mess, that's because it is. Compared to that, the current solution to go through a Javascript shim doesn't look too bad IMHO.
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Extism: Make all software programmable with WebAssembly
[1]: https://github.com/WebAssembly/proposals
A glance of the overview and spec seems to indicate that WASM will provide some primitive data types, and any GC language can build their implementation on top of it. As I understand it, it's heavily based on Reference Types[3], which allows acting on host-provided types, and is already considered part of the spec [4]. It doesn't remove the need for the 5 different runtimes to have their own GC, but it lowers the bulk that the runtimes need to carry around, and offloads some of that onto the WASM runtime instead.
[3]: https://github.com/WebAssembly/reference-types/blob/master/p...
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Struggling to find yew benchmarks
They've talked about interface types, and added reference types, which is a stepping stone toward the GC extension proposal, which would be a stepping stone toward manipulating the DOM from the WebAssembly side, but their official roadmap page is more short-term.
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Blazor WASM and privacy
Nope, WASM reference types, it has nothing to do with .NET type system.
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FFmpeg for browser and node, powered by WebAssembly
> And there's been talk of exposing the JS GC to wasm for a few years. Hopefully when that stuff lands, it'll get easier to marshal objects across the gap.
You don't need a Wasm GC to do this. If you only need js objects to pass on to, say, the host's function or check is null or not, then reference types that are opaque external references: https://github.com/WebAssembly/reference-types/blob/master/p...
You can even do many more things if you export `Reflect` to WebAssembly: https://github.com/AssemblyScript/assemblyscript/blob/main/t...
Reference Types are available almost everywhere already (In Safari will be available after 15.0): https://webassembly.org/roadmap
- WebContainers: Run Node.js natively in the browser
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Cranelift, Part 3: Correctness in Register Allocation
Re: GC -- yes, indeed, the whole business with safepoints arose from the need to support Wasm reference types as a backend for Wasmtime or Firefox. No safepoints are needed for Rust (or other C-like) code.
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Wasmer 1.0 released, the fastest WebAssembly VM, cross-compilation, headless, native object engine, AOT compilers and more!
Reference Types,
teavm
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Spin 2.0 – open-source tool for building and running WASM apps
Joel from our team worked on the initial prototype for WASI support in TeaVM (https://github.com/konsoletyper/teavm/pull/610), and we temporarily forked before the WASI support made it to the official repo.
Good reminder to deprecate that now!
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Bring garbage collected programming languages efficiently to WebAssembly
A number of concerns with the viability of the current WASM GC are covered here (Google translation to English):
https://habr-com.translate.goog/ru/articles/757182/?_x_tr_sl...
and the original article:
https://habr.com/ru/articles/757182/
This is from the author of TeaVM, who has 10 years of experience getting Java and JVM code to run efficiently in the browser. https://teavm.org/
TeaVM's existing transpilation of Java to JavaScript performs well (using the browsers JS GC). It will be interesting to see if WASM GC matures to the point where it is even faster.
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Play Runescape Classic Again
Uses this apparently: https://github.com/konsoletyper/teavm
- ASP.NET Core Dev Team Launches 'Blazor United' Push for .NET 8
- Pure Java Typesetting System
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Embed your Doom in Java with GraalVM Wasm.
How does this compare to say the TeaVM (https://github.com/konsoletyper/teavm) which I know only has "experimental" WASM support at the moment?
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Regex101.com needs help getting a small Rust WASM binary
For Java, no WASM file is requested. Maybe the Java code was transpiled to JavaScript, perhaps using TeaVM.
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Oracle Contributing GraalVM Community Edition Java Code to OpenJDK
>> It's not like you can take a random JAR and convert it to WASM.
Maybe you can:
TeaVM is an ahead-of-time compiler for Java bytecode that emits JavaScript and WebAssembly that runs in a browser. Its close relative is the well-known GWT. The main difference is that TeaVM does not require source code, only compiled class files. Moreover, the source code is not required to be Java, so TeaVM successfully compiles Kotlin and Scala.
https://teavm.org/
I have never had an opportunity to try out TeaVM, but it seems promising.
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Using Java for the front-end of a web app in 2022
For a fast, lightweight, Java-based front-end, try TeaVM and its Flavour toolkit:
https://teavm.org/
It is easy to get started by using the maven archtetype, there's an tutorial in Java Magazine here:
https://blogs.oracle.com/javamagazine/post/java-in-the-brows...
With TeamVM and Flavour you get a full front-end SPA framework that lets you code business logic in Java, and pair that with HTML and CSS to make components.
To see what it can do, check out Wordii, a fast-paced 5-letter word game:
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TSMC to Begin 3nm Chip Production Next Month, Apple gets first dib
> Someone will make the JRE run on WASM
https://teavm.org/
Minecraft contains some native dependencies, though; you'll need something like https://copy.sh/v86/ or https://bellard.org/jslinux/ with the right operating system image to run it in browser.
What are some alternatives?
assemblyscript - A TypeScript-like language for WebAssembly.
Graal - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
wasmtime - A fast and secure runtime for WebAssembly
HumbleUI - Clojure Desktop UI framework
ffmpeg.wasm - FFmpeg for browser, powered by WebAssembly
teavm-flavour - Framework for writing client-side applications using TeaVM
proposals - Tracking WebAssembly proposals
spring-fu - Configuration DSLs for Spring Boot
schism - A self-hosting Scheme to WebAssembly compiler
wasm3 - 🚀 A fast WebAssembly interpreter and the most universal WASM runtime
webcontainer-core - Dev environments. In your web app.
helidon - Java libraries for writing microservices