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slightlylate's profile
Alex Russell
Alex Russell
Alex Russell
@slightlylate

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Alex Russell

@slightlylate

Chrome Project 🐡 & Web Standards TL; Blink API OWNER Named PWAs w/ @phae; probably making her ☕ DMs open. Tweets my own; press@google.com for official comms.

San Francisco, The Internet
infrequently.org
Joined December 2010

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    1. Alex Russell‏ @slightlylate 26 Aug 2017
      • Report Tweet
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      Replying to @slightlylate @justinfagnani and

      But we need to all admit that doubling up your data structures & doing work O(num-elements) when changes are smaller is *not fast*

      8 replies 8 retweets 32 likes
    2. Ashley Gullen‏ @AshleyGullen 27 Aug 2017
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      Replying to @slightlylate @justinfagnani and

      Construct 3 has no VDOM and is fine. No DOM perf issues. Layout perf is *much* more significant:https://www.scirra.com/blog/ashley/35/layout-is-the-next-frontier-of-web-app-performance …

      1 reply 2 retweets 6 likes
    3. Ashley Gullen‏ @AshleyGullen 27 Aug 2017
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      Replying to @AshleyGullen @slightlylate and

      IMO this whole VDOM debate is big distraction, once you solve DOM perf you hit the layout performance wall. We need to improve that instead

      2 replies 0 retweets 5 likes
    4. Sam Saccone‏Verified account @samccone 27 Aug 2017
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      Replying to @AshleyGullen @slightlylate and

      Layout fixing primitives are shipping and being iterated on already 😀 apis for updating DOM in a fast way seem to be lagging behind

      1 reply 0 retweets 3 likes
    5. Ashley Gullen‏ @AshleyGullen 28 Aug 2017
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      Replying to @samccone @slightlylate and

      Well, the blog post I wrote draws the opposite conclusion :P

      1 reply 0 retweets 0 likes
    6. Yoav Weiss‏ @yoavweiss 28 Aug 2017
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      Replying to @AshleyGullen @samccone and

      Requiring people that don't know your app to break it apart in order to find specific bits that cause issues is a lot to ask from busy folks

      1 reply 0 retweets 0 likes
    7. Yoav Weiss‏ @yoavweiss 28 Aug 2017
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      Replying to @yoavweiss @AshleyGullen and

      I found their request for a smaller test case to be totally reasonable

      1 reply 0 retweets 0 likes
    8. Ashley Gullen‏ @AshleyGullen 28 Aug 2017
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      Replying to @yoavweiss @samccone and

      How come the V8 team actually prefer profiling real-world apps then?

      2 replies 0 retweets 0 likes
    9. Yoav Weiss‏ @yoavweiss 28 Aug 2017
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      Replying to @AshleyGullen @samccone and

      There's a difference between profiling & debugging a single expensive op. For the latter, isolated test cases are significantly less noisy

      1 reply 0 retweets 0 likes
    10. Ashley Gullen‏ @AshleyGullen 28 Aug 2017
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      Replying to @yoavweiss @samccone and

      Isolating cases is hard without any diagnostics - often means we have to do shotgun debugging to isolate it

      2 replies 0 retweets 0 likes
      Alex Russell‏ @slightlylate 28 Aug 2017
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      Replying to @AshleyGullen @yoavweiss and

      Yeah, time to upgrade your diagnosis tools! chrome:tracing is how we investigate most issues deeply.

      7:34 AM - 28 Aug 2017
      • 1 Like
      • Sébastien Cevey
      1 reply 0 retweets 1 like
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        2. Sam Saccone‏Verified account @samccone 28 Aug 2017
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          Replying to @slightlylate @AshleyGullen and

          unfortunately about:tracing is not exactly a well paved path towards understanding :/ #realtalk

          1 reply 0 retweets 6 likes
        3. Tim Kadlec‏ @tkadlec 28 Aug 2017
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          Replying to @samccone @slightlylate and

          It is both powerful and complicated. :)

          1 reply 0 retweets 2 likes
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