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wycats's profile
Yehuda Katz 🥨
Yehuda Katz 🥨
Yehuda Katz  🥨
Verified account
@wycats

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Yehuda Katz  🥨Verified account

@wycats

Tilde Co-Founder, OSS enthusiast and world traveler.

Portland, OR
yehudakatz.com
Joined August 2007

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    1. Yehuda Katz  🥨‏Verified account @wycats 18 Dec 2017

      JavaScript code is much more expensive, byte for byte, than an image, because of the time spent parsing and compiling it. It's possible to parse and compile wasm as fast as it comes over the network, which makes it much more like an image than JavaScript code. Game changer!

      37 replies 491 retweets 1,786 likes
    2. Jose Morales‏ @notjfmc 20 Dec 2017
      Replying to @wycats

      I strongly disagree. It all depends on what the JS/WASM code is supposed to do... Example: a JSON parser in JS is cheap (builtin) while in WASM (C/C++/etc.) it is not. WASM is cool just because it covers a space that was missing in JS (lowlevel code)

      1 reply 0 retweets 0 likes
      Yehuda Katz  🥨‏Verified account @wycats 20 Dec 2017
      Replying to @notjfmc

      If you need to write the code in userspace, an equiv amount of wasm is much much cheaper than JS. I write low level code in JS now. It's possible, but JITs pwn you and parse/compile sucks. Even if the wasm is a few times bigger than the JS, and considering network, it's faster.

      7:32 AM - 20 Dec 2017
      • 2 Likes
      • DSA Formal Methods Caucus Swift & Dev Stuff
      1 reply 0 retweets 2 likes
        1. New conversation
        2. Jose Morales‏ @notjfmc 20 Dec 2017
          Replying to @wycats

          I just believe that generalizing the idea that wasm is better than JS without talking about concrete use cases is oversimplifying the problem.

          1 reply 0 retweets 0 likes
        3. Yehuda Katz  🥨‏Verified account @wycats 20 Dec 2017
          Replying to @notjfmc

          I definitely did not say that wasm is "better" than JS. I said that in one particular way, it has properties that are much better than JS. It isn't usually usable (the DOM APIs are in JS) so those advantages usually don't help. But the advantages are serious.

          1 reply 0 retweets 1 like
        4. Jose Morales‏ @notjfmc 21 Dec 2017
          Replying to @wycats

          Sure! I love the idea of WASM (a safe and better ActiveX), but I really miss serious (public, accessible) benchmarking of time/memory consumption in the compiler/JIT ecosystem. It is a pity there are few projects like http://benchmarksgame.alioth.debian.org/ 

          0 replies 0 retweets 1 like
        5. End of conversation

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