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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 18 Nov 2019
      • Report Tweet
      • Report NetzDG Violation

      Patrick Walton Retweeted mcc

      I think this trap applies to research, too. It’s way too easy to slip away from “what problem are people trying to solve?” to searching for applications to try to justify the line of research you’re already invested in for other reasons.https://twitter.com/mcclure111/status/1196565993050562561 …

      Patrick Walton added,

      mcc @mcclure111
      Sun started with: "What can we build?" "What would be good for US, if people wanted it?". And then assumed they'd figure out a way to work backwards, somehow, into convincing people they wanted it & wanted to pay monthly for it & pay an expensive sysadmin & use a 3-button mouse.
      Show this thread
      1 reply 9 retweets 39 likes
      Show this thread
    2. Patrick Walton‏ @pcwalton 18 Nov 2019
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      I’m always second-guessing what problem my work is trying to solve to try to avoid this trap. e.g. I’m currently skeptical most GPU vector graphics solutions are solving the right problem for *static* scenes (dynamic is a diff. story). The whole linked thread is excellent, BTW.

      1 reply 2 retweets 17 likes
      Show this thread
    3. Jim Hurd‏ @imoldfella 18 Nov 2019
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      Replying to @pcwalton

      Care to elaborate? As the author of one of the most impressive gpu 2d renderers, this is interesting. Surely every dynamic scene is at least partially made of static ones, did you find its just not a significant part of the scene cost to justify the engineering?

      1 reply 0 retweets 1 like
      Patrick Walton‏ @pcwalton 18 Nov 2019
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      Replying to @imoldfella

      I think rendering each frame from scratch isn’t tenable for static content. Even if you hit 60 FPS you’re spending too much power. And often times you want to spend time on other things (e.g. if your vector content is a game HUD you want to render the game, not the HUD).

      5:13 PM - 18 Nov 2019
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      • Jim Hurd
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        1. Patrick Walton‏ @pcwalton 18 Nov 2019
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          Replying to @pcwalton @imoldfella

          However, rendering vector content fast is still helpful, both because of dynamic content and because if your sparse virtual texture tiles are out of cache you want to page them in as fast as possible. So Pathfinder is definitely useful.

          0 replies 0 retweets 1 like
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