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RichFelker's profile
Rich Felker
Rich Felker
Rich Felker
@RichFelker

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Rich Felker

@RichFelker

Yeah, I do @musllibc, FOSS & infosec stuff. But now is not the time for a mostly-/only-tech Twitter feed.

musl-libc.org
Joined March 2014

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    1. CopperheadOS‏ @CopperheadOS 29 Dec 2016
      Replying to @fugueish @RichFelker

      It only has to be less bad than C or C++ though and it's hard to argue that it makes things worse in any major way.

      1 reply 0 retweets 0 likes
    2. CopperheadOS‏ @CopperheadOS 29 Dec 2016
      Replying to @CopperheadOS @fugueish @RichFelker

      It definitely has an ugly syntax and it could have shed more complexity pre-stable but it's Good Enough already.

      1 reply 0 retweets 0 likes
    3. CopperheadOS‏ @CopperheadOS 29 Dec 2016
      Replying to @CopperheadOS @fugueish @RichFelker

      + most software doesn't need Rust. It just needs to move to high-level languages. It's using C / C++ for no reason.

      1 reply 0 retweets 0 likes
    4. CopperheadOS‏ @CopperheadOS 29 Dec 2016
      Replying to @CopperheadOS @fugueish @RichFelker

      Even for Mozilla's use case, a browser, most code would be fine with GC language with value types, etc. sharing JS GC.

      3 replies 0 retweets 1 like
      Rich Felker‏ @RichFelker 29 Dec 2016
      Replying to @CopperheadOS @fugueish

      GC languages are pretty awful for anything non-toy. Performance and/or excessive memory usage is abysmal.

      11:43 AM - 29 Dec 2016
      2 replies 0 retweets 0 likes
        1. New conversation
        2. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @RichFelker @fugueish

          If they have value types, throughput is generally higher and memory usage isn't that bad. Java isn't a good example.

          1 reply 0 retweets 0 likes
        3. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @CopperheadOS @RichFelker @fugueish

          Oracle/Sun Java implementation is focused on throughput at all costs, ignoring start-up time, memory usage, latency.

          1 reply 0 retweets 0 likes
        4. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @CopperheadOS @RichFelker @fugueish

          It's also focused on large scale things, not small ones. ART in Android is a completely different animal than it.

          1 reply 0 retweets 0 likes
        5. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @CopperheadOS @RichFelker @fugueish

          Java is very wasteful since it doesn't have value types or proper generics. Forces so much dynamic dispatch / boxing.

          1 reply 0 retweets 0 likes
        6. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @CopperheadOS @RichFelker @fugueish

          C# does things sanely.

          0 replies 0 retweets 0 likes
        7. End of conversation
        1. New conversation
        2. friend void‏ @volatile_void 29 Dec 2016
          Replying to @RichFelker

          what a general claim! I don't know any sound (but at least sometimes useful) static analyzer not written in GCed language…

          2 replies 0 retweets 1 like
        3. Rich Felker‏ @RichFelker 29 Dec 2016
          Replying to @volatile_void

          Sorry, toy is probably the wrong word here. More like "code not intended for deployment and use by general end users".

          1 reply 0 retweets 0 likes
        4. Rich Felker‏ @RichFelker 29 Dec 2016
          Replying to @RichFelker

          It's not a big deal if you use big resources in things like bug-hunting, scientific, etc. OTOH for code running on 1B+ devices...

          2 replies 0 retweets 0 likes
        5. John Regehr‏ @johnregehr 29 Dec 2016
          Replying to @RichFelker

          but there is a large amount of Java and JS running on phones...

          2 replies 0 retweets 0 likes
        6. Rich Felker‏ @RichFelker 29 Dec 2016
          Replying to @johnregehr

          And that's why I say it's awful.

          1 reply 0 retweets 0 likes
        7. John Regehr‏ @johnregehr 29 Dec 2016
          Replying to @RichFelker

          ok, automatic memory management has definitively won

          3 replies 0 retweets 1 like
        8. Rich Felker‏ @RichFelker 29 Dec 2016
          Replying to @johnregehr

          Yes. Language-integrated refcounting (with ability to optimize out provably-unneeded ref/deref) is excellent.

          1 reply 0 retweets 0 likes
        9. CopperheadOS‏ @CopperheadOS 29 Dec 2016
          Replying to @RichFelker @johnregehr

          It's much nicer when it can be non-atomic by default and still safe though.

          1 reply 0 retweets 1 like
        10. 5 more replies

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