flatbush
react-window
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flatbush | react-window | |
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5 | 38 | |
1,374 | 15,275 | |
- | - | |
0.0 | 2.6 | |
3 months ago | about 1 month ago | |
JavaScript | JavaScript | |
ISC License | MIT License |
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flatbush
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Databases are the endgame for data-oriented design
> (There are ECS frameworks in JavaScript, which gives you absolutely no control over memory layout and thus completely defeats one of the primary purposes of the pattern.)
While JS does not provide great support for bit packing complex structs, typed arrays give you quite a bit of control over memory layout for simple numeric types, which is what you usually want for optimal data-oriented code anyway. This is a common technique used in fast JS libs for data visualization, ie:
https://github.com/mourner/flatbush
There are also basic operators required for bitarrays, which are useful for ECS and memory-efficient code generally.
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React Virtualisation from scratch
using flatbush library instead of rbush which optimise the statically placed element, from the benchmark in the repository it could boost up to 5x the performance of rbush.
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Load GeoHash data in RAM for querying for Proximity Searches
But for 500 k points, it's not many. I'd put it in the database tech I was using and hit an API for it. Or like you say, load it into memory and use Mourner's flatbush for a super simple and super fast solution..
- Flatbush: A fast static spatial index for 2D points and rectangles in JavaScript
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Protobuf-ES: The Protocol Buffers TypeScript/JavaScript runtime we all deserve
> At pbf speeds, decoding is usually no longer a bottleneck, but bandwidth might be when comparing with gzipped JSON.
we were streaming a few hundred datapoints in a dozen flat arrays over websocket at 20-40hz and needed to decode the payload eagerly. plain JSON was a multi-factor speedup over pbf for this case. but it's fully possible i was holding it wrong, too!
even if your "bottleneck" is rendering/rasterization (10ms), but your data pipe takes 5ms instead of 1ms, it's a real effect on framerate, battery, thermals, etc.
i'm a big fan of your work! while i have you here, would you mind reviewing this sometime soon? ;)
https://github.com/mourner/flatbush/pull/44
react-window
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Virtual Scrolling in React: Implementation from scratch and using react-window
As we have seen in the previous section we can implement virtual scrolling from scratch. In this section, we'll discuss a third-party tool called react-window that allows us to implement virtual scrolling in a much easier way.
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React Virtualisation from scratch
If you have been using React for awhile, you may have heard of the infamous virtualisation library react-window or it's predecessor react-virtualized
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Top 7 Libraries for Blazingly Fast ReactJS Applications
React Window is used to render long lists. Imagine you have a list of 1,000 items. Only ten are visible simultaneously, but your code tries to render all 1,000 items simultaneously.
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Is there a perfect virtual list solution in react?
You can try react-window by Brian Vaughn
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Help creating an infinite scroll and skew scroll animation at the same time
I'm trying to use react-window and react-nice-scroll together but unfortunately it didn't work at all. As soon as I wrap my component with from react-nice-scroll everything disappears.
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Memoizing table rows in a table that can be filtered
This is what you should look into. (Virtualization)
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What's you opinion on the new Reddit design ditching React in favor of Lit for mostly performance reasons?
Take a look at react-window. But just my perspective; if you haven't needed to look into what virtualization is, it's probably because you haven't had a need for it yet. The one implication (which you'll see in another comment form me in this thread) is that it removes CTRL+F search functionality for items outside of the "window".
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5 Tips for Optimizing ReactJS Performance and Building Lightning-Fast Applications
Virtualization can be achieved using third-party libraries like react-window or react-virtualized. These libraries provide a way to render only the visible data and load more data as needed, resulting in faster application performance.
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Pagination in Next 13
If the API data is not paginated (i.e. you’re getting all your data in one go), then you may not need pagination. If rendering performance is an issue, a virtualized list may be more appropriate. If the response is too big and is slow to fetch it’s another issue entirely, since if the API doesn’t support offsets / pages you would need to invent a criteria to paginate your data on, or fetch it on the server using React Server Components which gives you implement a cache layer and potentially allows to only send a chunk of that data to the client, but you see how that can get complex fast.
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Introducing Suspense: APIs to simplify data loading and caching, for use with React Suspense.
Oh, right. I totally forgot to mention that– but the idea of "less rendering" in this case seems less like a Suspense concern and more like a windowing concern. I've written a few libraries for that stuff (react-window and react-virtualized) although there are others that may fit your needs better. Their main focus is limiting what you're rendering to more or less only what's on the screen at any given point. Combine that with memoized filtering and I would imagine you're set.
What are some alternatives?
virtualised-whiteboard
react-virtualized - React components for efficiently rendering large lists and tabular data
liwords - A site that allows people to play a crossword board game against each other
react-lazyload - Lazy load your component, image or anything matters the performance.
protoc-gen-validate - Protocol Buffer Validation - Being replaced by github.com/bufbuild/protovalidate
vue-virtual-scroll-list - ⚡️A vue component support big amount data list with high render performance and efficient.
react-list - :scroll: A versatile infinite scroll React component.
ts-proto - An idiomatic protobuf generator for TypeScript
react-infinite
rbush - RBush — a high-performance JavaScript R-tree-based 2D spatial index for points and rectangles
react-select - The Select Component for React.js