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pcwalton's profile
Patrick Walton
Patrick Walton
Patrick Walton
@pcwalton

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Patrick Walton

@pcwalton

Research engineer at Mozilla

San Francisco, CA
pcwalton.github.io
Joined November 2009

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    1. Patrick Walton‏ @pcwalton Mar 25
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      Beginning to wonder if there’s a place for compiler heroics in transforming React-style immediate-mode-with-diffing UI code into efficient retained mode code under the hood.

      5 replies 4 retweets 30 likes
      Show this thread
    2. Patrick Walton‏ @pcwalton Mar 25
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      e.g. if a rendering routine always returns <div id=foo><div id=bar>…</div></div>, detect that and statically cache foo and bar so you don’t have to diff the tree at runtime.

      8 replies 1 retweet 11 likes
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      Patrick Walton‏ @pcwalton Mar 25
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      Despite initial hype around React, classic ‘90s retained mode UI really is the most resource-efficient way to write apps. But it’s not much fun to write compared to React. Best solution: Keep the developer ergonomics of React/etc. but compile to old-school UI code under the hood.

      10:32 AM - 25 Mar 2020
      • 4 Retweets
      • 23 Likes
      • Sergio Varela 🌾 Priscila Oliveira 🏡👩‍💻 MBL Bruce Esteban K – 🦀⚙️@home Jacob Matthews Joe Savage jameschurchman Wesley Moore schrepfler
      5 replies 4 retweets 23 likes
        1. New conversation
        2. Nick Levine‏ @__NSL__ Mar 25
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          Replying to @pcwalton

          Fair to say this is what @sveltejs does?

          1 reply 1 retweet 2 likes
        3. Julien Wajsberg‏ @jwajsberg Mar 25
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          Replying to @__NSL__ @pcwalton @sveltejs

          I was gonna say that

          0 replies 0 retweets 0 likes
        4. End of conversation
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        2. Felipe O. Carvalho‏ @_Felipe Mar 25
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          Replying to @pcwalton

          I've been very excited about React and wrote a lot of code with it and now I'm back at thinking if there is any other way to make Retained Mode UI code easier to write.

          1 reply 0 retweets 0 likes
        3. Felipe O. Carvalho‏ @_Felipe Mar 25
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          Replying to @_Felipe @pcwalton

          (to be clear, React is a diversion from Retained Mode and is closer to Immediate Mode)

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Conrad Mearns‏ @conrad_mearns Mar 25
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          Replying to @pcwalton

          You beat me to it! Svelte has a neat spreadsheet style reactive assignment operator. The tutorial will take you less than 30min to jump through

          0 replies 0 retweets 0 likes
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        1. New conversation
        2. Peter Jakobs‏ @pATjako Mar 25
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          Replying to @pcwalton

          I think its possible that a cache friendly immidiate ui with diffing can beat retained mode UI, maybe even without diffing (or only caching expensive stuff)

          1 reply 0 retweets 0 likes
        3. Peter Jakobs‏ @pATjako Mar 25
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          Replying to @pATjako @pcwalton

          Can't do that with javascript of course...

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Jubilee‏ @workingjubilee Mar 25
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          Replying to @pcwalton

          hmm, I assume we are ruling out React optimizing / caching this at runtime? because it does try to store, skip, and reuse as much as possible as of React Fiber

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