Jon Gjengset

@jonhoo

PhD student at MIT in distributed systems, live-coder. and OSS tinkerer who loves teaching. I try to maintain a high SNR and retweet original tweets!

Cambridge, Massachusetts
Vrijeme pridruživanja: ožujak 2009.

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  1. Prikvačeni tweet
    10. lip 2019.

    Hi all! As some of you may be aware, I had to close my Patreon a while back since my student visa in the US won't let me accept any source of income during my studies here. So, I've decided to start an Amazon Wish List instead!

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  2. 30. sij

    Conversation has moved to to avoid all the baggage from the various initial PR implementation discussion.

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  3. 30. sij

    To see the kind of stuff I'm talking about, take a look at (feel free to comment there).

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  4. 30. sij

    Hey no_std folks, I need you! I want to add no_std support to flurry (the concurrent hash map), but it is complicating the API quite substantially since we need to be generic over things like locks. How useful is a _concurrent_ no_std map? When would you ever need one?

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  5. proslijedio/la je Tweet
    29. sij
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  6. proslijedio/la je Tweet

    It has been 0 days since I showed coworkers the cursed Instant::now() code from Rust stdlib

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  7. 24. sij

    There's also a little gem hidden at the bottom of the diff :p

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  8. 24. sij

    And this is why concurrency and unsafe requires you to be _really_ careful friends!

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  9. proslijedio/la je Tweet
    23. sij

    One foot gun when using Tokio is not yielding. This prevents other tasks from running and can result in large tail latencies. We think we can do better. is proposing a strategy to coordinate task yielding

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  10. 23. sij

    If you think the concurrent hashmap we built based on Java's ConcurrentHashMap was cool, and want to help make it better, I've opened a bunch of good starter issues at . Happy to help mentor "good first issue" issues ❤️ New issues also welcome!

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  11. proslijedio/la je Tweet
    19. sij

    ⏲️ As of today, we have about eighteen years to go until the Y2038 problem occurs. But the Y2038 problem will be giving us headaches long, long before 2038 arrives. I'd like to tell you a story about this.

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  12. proslijedio/la je Tweet
    20. sij
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  13. 19. sij

    As for the path forward for our port, I would love to see it become a "real thing" like . I go through some TODOs in the video, and PRs that add more of the Java tests, documentation, benchmarks, and additional APIs are all warmly welcome! Happy hacking 🍻

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  14. 19. sij

    Part 3 of our journey in porting Java's ConcurrentHashMap to is now up at . It now passes a basic test suite! Next stream likely won't be for quite some time, as my goal is to graduate towards the end of this year, but I will be back eventually ❤️

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  15. 17. sij

    Quick reminder that this is happening in 24hrs!

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  16. proslijedio/la je Tweet

    Currently, giving an explainer session on how `Pin` works on the YT channel. Now with correct URL, thanks to .

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  17. proslijedio/la je Tweet
    7. sij

    Half of the websites using WebAssembly use it for malicious purposes * Only 1,639 sites of the Top 1 Million use WebAssembly * Wasm mostly used for gaming, cryptojacking, or malvertising

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  18. proslijedio/la je Tweet
    14. sij

    New release, new episode! "What's New in Rust 1.40" Care to lend a hand or suggest an episode? Let us know!🦀📡

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  19. 14. sij

    Time for the third (and maybe last) episode of our ConcurrentHashMap live-stream! By the end we should hopefully have a working implementation of Java's concurrent map 🎉 Saturday @ 5pm UTC (noon EST) on Twitch and YouTube as usual!

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  20. 10. sij

    Following on from this (thanks for all the excellent answers ♥️), what is the single most compelling reason you have seen _not_ to choose over Java, C++, or Python? The presentation wouldn't be complete without fairly considering the downsides!

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  21. proslijedio/la je Tweet
    10. sij

    I’ll be doing a stream about Pin next Wednesday the 15th at 16:00 UTC (17:00 CET, 11:00 EST, 8:00 PST). Thanks for hosting!

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