Charles Nutter

@headius

JRuby guy. Java Champion and Ruby Hero. Linguistics (natural and computer), music (listening and playing), games (video, board, classical, archaic), beer (all).

Minneapolis, MN
Vrijeme pridruživanja: studeni 2007.
Rođen/a 24. studenoga

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  1. Prikvačeni tweet
    7. stu 2019.

    Latest JRuby + Puma + Roda tiny benchmark pushing close to 50k requests per second on my MBP. With a bit of JVM flag tweaking, it's handling 20-way concurrency in a single 250MB process. 👍

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  2. proslijedio/la je Tweet

    Okay, last talk of the day. presenting their neverending quest for faster startup. jruby -e 1 Loads 6000 classes!

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  3. proslijedio/la je Tweet
    1. velj

    Sequel 5.29.0 Released: empty_failure_backtraces plugin with 10-15x better performance on recent JRuby, Dataset#json_serializer_opts for setting default to_json options

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  4. 2. velj

    Sadly I'm not going to be able to attend the OpenJDK Committer's Workshop tomorrow in Brussels. With my son along on the trip and a talk and workshop to prepare for later this week, we just won't have the time.

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  5. 1. velj

    The new native memory access API in JDK14 is looking pretty cool. I like the way it eliminates manually calculating offsets and strides when accessing struct elements.

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  6. 1. velj

    Yay stream's back. 👍

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  7. 1. velj

    Java room is full and the stream is down. Guess I'll review our talk again. 🤷‍♂️

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  8. proslijedio/la je Tweet
    1. velj

    In case it fills up as quickly as it usually does, here’s the FOSDEM Free Java dev room stream to enjoy with the breakfast waffles and coffee outside:

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  9. proslijedio/la je Tweet

    2020 attendees just a friendly reminder that the Saturday workshops are limited to 15 seats each. If you planning on attending register ASAP :) Getting Started with JRuby () Azure DevOps Lab ()

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  10. proslijedio/la je Tweet
    31. sij

    2020 is gonna be amazing! We have , and attending and a super local lineup covering everything from using with Ruby to harnessing stress for self improvement! Grab your ticket ASAP where nearly sold out!

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  11. proslijedio/la je Tweet

    We have only 15 seats left for 2020! If you don't get yourself a ticket this week you're gonna luck out. We have an amazing lineup headed by the one and only as well as the JRuby dev leads & . Don't delay

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  12. proslijedio/la je Tweet

    No more . The president has confessed to everything he’s been accused of. He asked a foreign power to help him cheat in the 2020 election. He said he’d do it again. He did it on television. The denials and deflections of his lawyers are less than meaningless.

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  13. 30. sij

    If the coronavirus was a mikkellervirus or a westvleterenvirus I'd be excited to contract it.

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  14. 29. sij

    Wow, the UK will no longer be part of the EU as of midnight Friday. My condolences to all of my friends in the UK who didn't want this. At least Trump will be gone some day... Brexit is forever.

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  15. 29. sij

    FYI this output was generated by piping Hotspot's -XX:+TraceBytecodes output (need a debug build of OpenJDK) through 's excellent "bytestacks" tool. Works great even on enormous dumps like this!

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  16. 29. sij

    I'm looking forward to a fun workshop and hackfest at Rubyfuza! We will spend the morning getting JRuby up and going, migrating simple apps and services, and then spend the afternoon hacking on your apps and libraries to make them JRuby compatible!

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  17. 28. sij

    After a morning of work removing invokedynamic use from the JRuby ahead-of-time compiler, a count of bytecodes executed for "gem list" (before JVM JIT takes over) dropped from 52M to 43.3M. Compare this to no AOT at all executing 47.5M bytecodes. Starting to see wins already!

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  18. proslijedio/la je Tweet
    28. sij

    I don’t know who needs to hear this, but if your application isn’t made up of microservices, that’s completely okay. Be proud of your well-architected monolith!

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  19. 28. sij

    Gotta say I'm a bit worried about the number of nCoV cases in Europe steadily ticking upwards right before the EU OSS community descends on Brussels for FOSDEM.

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  20. proslijedio/la je Tweet
    28. sij

    Our own and will be in the Java room this weekend, presenting the latest startup time findings for JRuby. They'll explain JRuby's runtime model and the tradeoffs of interpreting and survey tools like AppCDS, OpenJ9 shareclasses, and native compilation.

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  21. 27. sij

    If the JVM did not have a JIT, `jruby -e 1` would execute over 400 million bytecodes in the JVM's interpreter.

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