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mathias's profile
Mathias Bynens
Mathias Bynens
Mathias Bynens
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@mathias

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Mathias BynensVerified account

@mathias

I work on @ChromeDevTools & @v8js at Google and on ECMAScript through TC39. ♥ JavaScript, HTML, CSS, HTTP, performance, security, Bash, Unicode, i18n, macOS.

Munich, Germany
mths.be
Joined January 2007

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    1. jordwalke  ⚛️🆁‏ @jordwalke 20 Nov 2018
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      Wasm has a little bit of unfounded hype. But I think it’s a good thing because there is plenty of unfounded skepticism about it and it helps to balance things out.

      4 replies 3 retweets 39 likes
    2. Oleg‏ @oleg008 20 Nov 2018
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      Replying to @jordwalke

      why unfounded though?

      1 reply 0 retweets 0 likes
    3. jordwalke  ⚛️🆁‏ @jordwalke 20 Nov 2018
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      Replying to @oleg008

      I’m not trying to knock wasm. I want a wasm future. But what surprises me is that the wasm hype seems to be coming from JS fans. Wasm isn’t for JS authors. It’s the thing that replaces JS authors.

      8 replies 7 retweets 14 likes
    4. Laurie Voss‏ @seldo 20 Nov 2018
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      Replying to @jordwalke @oleg008

      As a web developer, WASM is interesting because it allows me to use libraries in other languages to solve my browser-based problems. The fact that I do that in JS right now is a historical accident, so I am a JS author, but I'm a web developer first.

      3 replies 0 retweets 24 likes
    5. jordwalke  ⚛️🆁‏ @jordwalke 20 Nov 2018
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      Replying to @seldo @oleg008

      A couple of observations: Many enjoy building node apps just as much as building web apps. When both environments have the ability to use otherwise native libraries, it puts the whole question of JS-the-language into question. Previously, JS's advantage was running in both places

      1 reply 1 retweet 7 likes
    6. jordwalke  ⚛️🆁‏ @jordwalke 20 Nov 2018
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      Replying to @jordwalke @seldo @oleg008

      Now, with wasm, not only can you run in both places, but when running outside of the browser, you can run even faster.

      2 replies 0 retweets 1 like
    7. Rob Palmer‏ @robpalmer2 20 Nov 2018
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      Replying to @jordwalke @seldo @oleg008

      Just a guess, but I'd predict >80% of WASM usage will be deploying non-web code to browser/VMs. Specialising native build targets to gain a few extra percentage point of performance seems like the rare case.

      1 reply 0 retweets 3 likes
    8. Laurie Voss‏ @seldo 20 Nov 2018
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      Replying to @robpalmer2 @jordwalke @oleg008

      The v8 team tells me that WASM is very, very seldom faster than writing well-optimized JS. Bringing the entire universe of existing libraries in other code in JS world is the real attraction of WASM for me. It takes npm from 840,000 packages to millions.

      4 replies 2 retweets 29 likes
      Mathias Bynens‏Verified account @mathias 20 Nov 2018
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      Replying to @seldo @robpalmer2 and

      To expand on that a little, peak performance of JavaScript and Wasm are roughly the same. What Wasm offers is *predictable* performance — with JavaScript it’s much easier to fall off the fast path.

      3:25 PM - 20 Nov 2018
      • 13 Retweets
      • 76 Likes
      • Karl Horky Peter O'Shaughnessy Gabor Lenard 🅠 Kamil Tomšík Nick Ribal @ 🇪🇸 Isaac Sukin PaquitoSoft Tom Dale Umair Ahmed
      3 replies 13 retweets 76 likes
        1. New conversation
        2. Laurie Voss‏ @seldo 20 Nov 2018
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          Replying to @mathias @robpalmer2 and

          Nice of you to drop in on this thread :-) Would love to hear the latest on how WASM-world expects to tackle A - interacting efficiently with DOM elements from inside WASM B - separate WASM modules interacting efficiently without crossing into JS-land

          2 replies 0 retweets 8 likes
        3. Mathias Bynens‏Verified account @mathias 20 Nov 2018
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          Replying to @seldo @robpalmer2 and

          A) this is the host bindings proposal https://github.com/WebAssembly/host-bindings … (current status: still being hashed out) B) not sure what you mean exactly; at some point you’d want to go back into JS land and do something with the computed result, right?

          1 reply 0 retweets 1 like
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        2. Nicholas Shanks‏ @nickshanks 21 Nov 2018
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          Replying to @jamiebuilds @mathias and

          @nodejs should start pruning parts of JavaScript that are bad/slow. We can’t change client environments but we control the server.

          0 replies 1 retweet 0 likes
        3. End of conversation
        1. Andy‏ @andy9775 20 Nov 2018
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          Replying to @mathias @seldo and

          What about efficiency of JS VS wasm? What's it like now and what are the goals/limitations?

          0 replies 0 retweets 0 likes
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