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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. Mathias Bynens‏Verified account @mathias 20 Nov 2018
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      Replying to @seldo @robpalmer2 and

      Ah, I see what you mean. Looping in @binjimint who actually works on Wasm (as opposed to JS) in V8 👍🏻

      1 reply 0 retweets 5 likes
    2. Ben Smith‏ @binjimint 20 Nov 2018
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      Replying to @mathias @seldo and

      Wasm modules can share imports and exports currently; they’ll type check and can pass data without going to JS. This is just value types currently, which means sharing larger data through linear memory. The future GC proposal allows sharing more complex structures directly.

      2 replies 0 retweets 11 likes
    3. Ben Smith‏ @binjimint 20 Nov 2018
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      Replying to @binjimint @mathias and

      The reference types feature proposal is closer to landing, which allows wasm modules to pass opaque values (such as JavaScript objects) around, and between wasm modules without going to JS.

      2 replies 0 retweets 4 likes
    4. Laurie Voss‏ @seldo 20 Nov 2018
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      Replying to @binjimint @mathias and

      That sounds excellent. Is there any documentation showing this working in practice? I'm having trouble visualizing how modules would get this done and don't want to force you to write a tutorial in tweets.

      1 reply 0 retweets 3 likes
    5. Ben Smith‏ @binjimint 20 Nov 2018
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      Replying to @seldo @mathias and

      Not sure if there are any tutorials about this yet since afaik no wasm vm currently implements reference types. Though if there are tutorials, I bet that the @rustwasm folks would have written them. :)

      1 reply 0 retweets 2 likes
    6. Laurie Voss‏ @seldo 20 Nov 2018
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      Replying to @binjimint @mathias and

      As usual, I need to find @ag_dubs and get her to tell me everything she knows :-)

      1 reply 0 retweets 2 likes
    7. ashley williams‏ @ag_dubs 20 Nov 2018
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      Replying to @seldo @binjimint and

      we should make a video chat date!

      1 reply 0 retweets 1 like
    8. ashley williams‏ @ag_dubs 20 Nov 2018
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      Replying to @ag_dubs @seldo and

      also the point about predictable perf is one that i make all the time, it's def what i think people should focus on when talking about perf and wasm, a+ @mathias

      2 replies 0 retweets 4 likes
    9. ashley williams‏ @ag_dubs 20 Nov 2018
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      Replying to @ag_dubs @seldo and

      i like to show this graph (source: https://hacks.mozilla.org/2018/01/oxidizing-source-maps-with-rust-and-webassembly/ …) and say, yeah the wasm is faster here but that's not what matters. look at the differences in relative std deviationpic.twitter.com/4CA9IIFXB8

      3 replies 1 retweet 15 likes
    10. ashley williams‏ @ag_dubs 20 Nov 2018
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      Replying to @ag_dubs @seldo and

      (also i realize this might be a slightly different interpretation of predictability than i think mathias meant, but, both are good, heh. tl;dr predictability is the good word, not perf)

      2 replies 0 retweets 2 likes
      Mathias Bynens‏Verified account @mathias 20 Nov 2018
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      Replying to @ag_dubs @seldo and

      No, we’re in agreement (as usual) 👍🏻

      5:10 PM - 20 Nov 2018
      • 2 Likes
      • Malte Ubl ashley williams
      1 reply 0 retweets 2 likes
        1. ashley williams‏ @ag_dubs 20 Nov 2018
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          Replying to @mathias @seldo and

          🎉🎉🎉😅

          0 replies 0 retweets 2 likes
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