THE VIDEO SHELF · rust webassembly performance
The Truth about Rust/WebAssembly Performance
Leptos creator Greg Johnston examines Rust/WebAssembly frontend frameworks against JavaScript frameworks using the JS framework benchmark. He argues that WASM is no longer too slow for DOM-heavy rendering.
Why HN readers recommended it
Cited as evidence that DOM access is not the bottleneck for WebAssembly, and as an explanation of signals-based updates versus virtual DOM.
This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.
Video & recommendation details
- Creator / channel
- Greg Johnston
- Topic
- rust webassembly performance
- Format
- talk
- Level
- intermediate
- HN recommenders in dataset
- 2
- HN mentions in dataset
- 8
- Recommendation years in dataset
- 2023–2026
These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.
From the original HN conversations
Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.
Greg Johnston, author of the Leptos framework, did a pretty good video about this a few weeks ago[0]. The TLDR is (of course): it depends. WASM has no native access to the DOM, so all DOM manipulations from wasm-land have to go through JS bindings …
pdpi on Hacker News · 2023-04
In Can Rust Beat JavaScript in 2023?[VIDEO] This video might be helpful. Leptos uses Signals, borrowing ideas from SolidJS to update the DOM. There's no VirtualDOM like React. Svelte also doesn't use a VDOM. When there's a state change React has to rerender the entire VDOM tree and the diff it …
theironhammer on Hacker News · 2023-07
In Ask HN: Real world Svelte speed difference compared to virtual DOM frameworks?
Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.