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TimSweeneyEpic's profile
Tim Sweeney
Tim Sweeney
Tim Sweeney
@TimSweeneyEpic

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Tim Sweeney

@TimSweeneyEpic

Epic Games founder & CEO

epicgames.com
Joined August 2013

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    1. Tim Sweeney‏ @TimSweeneyEpic 17 Dec 2019
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      Tim Sweeney Retweeted Tim Sweeney

      When you set to work on a task and feel a sense of foreboding about it, that's intuition telling you that you're doing the wrong thing or building on the wrong foundation. Trust it!https://twitter.com/TimSweeneyEpic/status/1101519237603119104 …

      Tim Sweeney added,

      Tim Sweeney @TimSweeneyEpic
      When my mom's car wouldn't start, she'd wash it and try again, believing that a well-treated car would reciprocate. The funny thing was, it actually worked. There's a programmer equivalent. When you're failing to debug a horrible mess of code: clean it up, and try again.
      23 replies 31 retweets 296 likes
    2. decltype(Sammy)‏ @decltype_sammy 17 Dec 2019
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      Replying to @TimSweeneyEpic

      *whispers* garbage collection

      1 reply 0 retweets 7 likes
    3. Tim Sweeney‏ @TimSweeneyEpic 17 Dec 2019
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      Replying to @decltype_sammy

      You say this right as I'm sitting in a text editor likepic.twitter.com/lr8wA0Mh1g

      4 replies 1 retweet 20 likes
    4. decltype(Sammy)‏ @decltype_sammy 17 Dec 2019
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      Replying to @TimSweeneyEpic

      Some day I'd love to hear you expound upon your reasoning for garbage collection vs something like rust's ownership, or general reference counting.

      1 reply 0 retweets 2 likes
      Tim Sweeney‏ @TimSweeneyEpic 17 Dec 2019
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      Replying to @decltype_sammy

      Why not Rust lifetimes: because programmer time is costly and object lifetimes are very complex in the worst case. Why not reference counting: because cycles are frequent and impractical to avoid in an open-world system with lots of coders contributing.

      5:53 PM - 17 Dec 2019
      • 10 Likes
      • Ivan Kozik Daniel Connelly RCL^EG Filip Aničić 90one80 Oleksii Skidan Warren Moore Michael Allar is locked in a box Mario Gutierrez
      2 replies 0 retweets 10 likes
        1. New conversation
        2. Tim Sweeney‏ @TimSweeneyEpic 17 Dec 2019
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          Replying to @TimSweeneyEpic @decltype_sammy

          And, more generally, when you move beyond C++ std / TArray style containers to a more functional style approach, you create so much garbage with such complex reference dependencies that all other memory management schemes are intractable.

          2 replies 0 retweets 5 likes
        3. Scott Michaud‏ @scottmichaud 17 Dec 2019
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          Replying to @TimSweeneyEpic @decltype_sammy

          I don't particularly understand that, because functional flows with the stack. You push questions and answers pop. Each question pushes more, smaller questions, until you get to individual CPU ops. That's very stack-modeled memory usage (if you don't resize up).

          1 reply 0 retweets 0 likes
        4. 4 more replies
        1. New conversation
        2. Arne Schober‏ @Khipu_Kamayuq 17 Dec 2019
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          Replying to @TimSweeneyEpic @decltype_sammy

          I think as Programmers we have to think about ownership eventually. Yes, the Rust compiler is maybe a bit too pedantic, but it forces one to think about it (and there are improvements to be made). In other languages just deferring thinking about ownership creates technical debt.

          1 reply 0 retweets 0 likes
        3. NO GODS NO MASTERS‏ @_photex_ 17 Dec 2019
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          Replying to @Khipu_Kamayuq @TimSweeneyEpic @decltype_sammy

          In Rust you are naturally steered towards a model of having data that lives separately from the systems that manipulate it. Functions that take a mutable struct (or methods using `&mut self`) are all fine and dandy.

          1 reply 0 retweets 0 likes
        4. 2 more replies

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