wain
ShareX
wain | ShareX | |
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3 | 579 | |
401 | 27,749 | |
- | 1.4% | |
6.2 | 9.3 | |
6 days ago | 1 day ago | |
Rust | C# | |
MIT License | GNU General Public License v3.0 only |
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wain
- Wain: WebAssembly implementation from scratch in Safe Rust with 0 dependencies
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I think SIMD was a distraction to our conversation, most code doesn't use it and in the future the length agnostic, flexible vectors; https://github.com/WebAssembly/flexible-vectors/blob/master/... are a better solution. They are a lot like RVV; https://github.com/riscv/riscv-v-spec, research around vector processing is why RISC-V exists in the first place!
I was trying to find the smallest Rust Wasm interpreters I could find, I should have read the source first, I only really use wasmtime, but this one looks very interesting, zero deps, zero unsafe.
16.5kloc of Rust https://github.com/rhysd/wain
The most complete wasm env for small devices is wasm3
20kloc of C https://github.com/wasm3/wasm3
I get what you are saying as to be so small that there isn't a place of bugs to hide.
> “There are two ways of constructing a software design: One way is to make it so simple that there are obviously no deficiencies, and the other way is to make it so complicated that there are no obvious deficiencies. The first method is far more difficult.” CAR Hoare
Even a 100 line program can't be guaranteed to be free of bugs. These programs need embedded tests to ensure that the layer below them is functioning as intended. They cannot and should not run open loop. Speaking of 300+ reimplementations, I am sure that RISC-V has already exceeded that. The smallest readable implementation is like 200 lines of code; https://github.com/BrunoLevy/learn-fpga/blob/master/FemtoRV/...
I don't think Wasm suffers from the base extension issue you bring up. It will get larger, but 1.0 has the right algebraic properties to be useful forever. Wasm does require an environment, for archival purposes that environment should be written in Wasm, with api for instantiating more envs passed into the first env. There are two solutions to the Wasm generating and calling Wasm problem. First would be a trampoline, where one returns Wasm from the first Wasm program which is then re-instantiated by the outer env. The other would be to pass in the api to create new Wasm envs over existing memory buffers.
See, https://copy.sh/v86/
MS-DOS, NES or C64 are useful for archival purposes because they are dead, frozen in time along with a large corpus of software. But there is a ton of complexity in implementing those systems with enough fidelity to run software.
Lua, Typed Assembly; https://en.wikipedia.org/wiki/Typed_assembly_language and Sector Lisp; https://github.com/jart/sectorlisp seem to have the right minimalism and compactness for archival purposes. Maybe it is sectorlisp+rv32+wasm.
If there are directions you would like Wasm to go, I really recommend attending the Wasm CG meetings.
https://github.com/WebAssembly/meetings
When it comes to an archival system, I'd like it to be able to run anything from an era, not just specially crafted binaries. I think Wasm meets that goal.
https://gist.github.com/dabeaz/7d8838b54dba5006c58a40fc28da9...
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Making wasm executables with rust?
Hello guys i was looking at this project https://github.com/rhysd/wain and saw the c example from readme gif that converted c code to a wasm file and ran it. I tried reproducing that code in rust and when compiler and ran with wain it didnt print anything. Any suggestion on what im doing wrong? I created a cdylib and compiling to wasm32-unknown-unknown. Here is the c and rust code:
ShareX
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2 projects | 29 Dec 2023
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Source: https://github.com/ShareX/ShareX/issues/6983
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Finally…
On PC, ShareX can do that for you too.
What are some alternatives?
wasmi - WebAssembly (Wasm) interpreter.
obs-studio - OBS Studio - Free and open source software for live streaming and screen recording
flexible-vectors - Vector operations for WebAssembly
flameshot - Powerful yet simple to use screenshot software :desktop_computer: :camera_flash:
rust-wasm - A simple and spec-compliant WebAssembly interpreter
greenshot - Greenshot for Windows - Report bugs & features go here: https://greenshot.atlassian.net or look for information on:
mlatu - A declarative concatenative programming language
PowerToys - Windows system utilities to maximize productivity
riscv-v-spec - Working draft of the proposed RISC-V V vector extension
streamdeck-tools - The Stream Deck Tools library wraps all the communication with the Stream Deck app, allowing you to focus on actually writing the Plugin's logic
learn-fpga - Learning FPGA, yosys, nextpnr, and RISC-V
lossless-cut - The swiss army knife of lossless video/audio editing