CAcalebwinston·Apr 23, 2020Submission
A wgpu-rs-based library for cross-platform GPU compute in Rust
2 points · Open discussioncalebwin
emu
Rust2019–2020
calebwin / emu
emu
The write-once-run-anywhere GPGPU library for Rust
4Distinct people
6Mentions
0Explicit recommenders
1.6KGitHub stars
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What it is
The write-once-run-anywhere GPGPU library for Rust
GitHub
Where it is used
No documented product use has been verified yet.
What people are saying
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This week on Hacker News
Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.
No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.
Mentions over time
HN mentions by month6 dated mentions
Observed mentions: 2019-05-30 12:42:47 UTC to 2020-04-23 19:16:38 UTC.
Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.
View mention counts and date ranges
| Period | Start (UTC) | End (exclusive, UTC) | Mentions | Submissions | Comments |
|---|---|---|---|---|---|
| May 2019 | 2019-05-01 00:00:00 UTC | 2019-06-01 00:00:00 UTC | 2 | 2 | 0 |
| Jun 2019 | 2019-06-01 00:00:00 UTC | 2019-07-01 00:00:00 UTC | 1 | 1 | 0 |
| Jul 2019 | 2019-07-01 00:00:00 UTC | 2019-08-01 00:00:00 UTC | 0 | 0 | 0 |
| Aug 2019 | 2019-08-01 00:00:00 UTC | 2019-09-01 00:00:00 UTC | 0 | 0 | 0 |
| Sep 2019 | 2019-09-01 00:00:00 UTC | 2019-10-01 00:00:00 UTC | 0 | 0 | 0 |
| Oct 2019 | 2019-10-01 00:00:00 UTC | 2019-11-01 00:00:00 UTC | 1 | 0 | 1 |
| Nov 2019 | 2019-11-01 00:00:00 UTC | 2019-12-01 00:00:00 UTC | 0 | 0 | 0 |
| Dec 2019 | 2019-12-01 00:00:00 UTC | 2020-01-01 00:00:00 UTC | 0 | 0 | 0 |
| Jan 2020 | 2020-01-01 00:00:00 UTC | 2020-02-01 00:00:00 UTC | 0 | 0 | 0 |
| Feb 2020 | 2020-02-01 00:00:00 UTC | 2020-03-01 00:00:00 UTC | 0 | 0 | 0 |
| Mar 2020 | 2020-03-01 00:00:00 UTC | 2020-04-01 00:00:00 UTC | 0 | 0 | 0 |
| Apr 2020 | 2020-04-01 00:00:00 UTC | 2020-05-01 00:00:00 UTC | 2 | 1 | 1 |
What Hacker News says
6 sourcesIt depends on what you're trying to do. If you want to get stuff done now then just get an Nvidia card and write CUDA. The tools and knowledge community are vastly ahead of other approaches.
If you're doing image-like stuff, Halide is good, there's lots of stuff shipping on it.
One other project I'd add is emu, which is built on wgpu. I think that's closest to the future I have in mind, but still in early stages.
https://github.com/calebwin/emu
In A Taste of GPU Compute [video]I've been working on a project with similar goal to RLSL, called Emu. It's a procedural macro that automatically off-loads portions of code to run on a GPU. Here's a quick example...
#[gpu_use]
fn main() {
let mut a = vec![0.2; 1000];
let mut b = vec![0.3; 1000];
let c = vec![0.0; 1000];
gpu_do!(load(a));
gpu_do!(load(b));
gpu_do!(load(c));
gpu_do!(launch());
for i in 0..1000 {
c[i] = a[i] + b[i];
}
gpu_do!(read(c));
println!("{:?}", c);
}
Emu is currently open-sourced as a 100% stable Rust library and while it only supports a tiny subset of Rust, that subset is well-defined with useful compile-time errors and a comprehensive test suite.
So if you're looking for a way to contribute to single-source GPGPU for Rust, please consider helping expand Emu'
Read the rest
s supported subset of Rust. The repository is at https://www.github.com/calebwin/emu
I will say that since Emu works at the AST/syntax level, RLSL is of great interest to me because it works instead at the MIR level which allows it to more easily support a large subset of Rust.
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