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tschatzl @ github

Personal blog · tschatzl.github.ioprogrammingsystems

tschatzl @ github is a personal blog at tschatzl.github.io about programming and systems. Since 2020, 7 different Hacker News readers have linked it 14 times. It is still writing: the last post was on 2026-08-10, and you can follow it by feed.

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14mentions?
7HN people?
2020–2026first – last linked?
Links on Hacker News per year · peak 4 in 2023

What Hacker News says?

  1. krnaveen14 · 2022-03-22
    JDK 18 G1/Parallel/Serial GC changes [1]: https://tschatzl.github.io/2022/03/14/jdk18-g1-parallel-gc-c...

    Comment linking /2022/03/14/jdk18-g1-parallel-gc-changes.html

    on “Java 18 / JDK 18: General Availability”
  2. r4um · 2021-07-04

    Submitted Evacuation Failure and Object Pinning as a story · 9 points

    HN discussion
  3. carimura · 2023-03-21
    More details on 20: https://inside.java/2023/03/21/the-arrival-of-java-20/ https://nipafx.dev/java-20-guide/ https://tschatzl.github.io/2023/03/14/jdk20-g1-parallel-gc-c...

    Comment linking /2023/03/14/jdk20-g1-parallel-gc-changes.html

    on “Java 20 Is Out!”
  4. 0x54MUR41 · 2026-08-13

    Submitted JDK 27 G1/Parallel/Serial GC Changes as a story · 4 points

    HN discussion
  5. carimura · 2023-03-21
    More info on 20: Announcement: https://inside.java/2023/03/21/the-arrival-of-java-20/ VM improvements: https://tschatzl.github.io/2023/03/14/jdk20-g1-parallel-gc-c... Non-JEP Improvements: https://nipafx.dev/java-20-guide/

    Comment linking /2023/03/14/jdk20-g1-parallel-gc-changes.html

    on “Java 20 / JDK 20: General Availability”
  6. carimura · 2023-03-17

    Submitted JDK 20 G1/Parallel/Serial GC Changes as a story · 4 points

    HN discussion
  7. hayley-patton · 2023-10-17
    SBCL now uses the "write-bitmap"/"card marking" scheme on some platforms, which is a tiny bit faster (1-2% mentioned on sbcl-devel). More interesting is that doing the touch-detection in software allows for finer grained precision (e.g. #+mark-region-gc uses 128 byte cards) than hardware (e.g. 4kiB pages on x86-64, 16kiB on M1) which can drastically affect scavenging time [0]. The precision is also really nice for n…

    Comment linking /2022/02/15/card-table-card-size.html

    on “Should You Be Scared of Unix Signals?”
  8. krnaveen14 · 2022-03-23

    Submitted JDK 18 G1/Parallel/Serial GC Changes as a story · 3 points

    HN discussion
  9. lichtenberger · 2021-09-17

    Submitted JDK 17 G1/Parallel GC changes as a story · 3 points

    HN discussion
  10. 0x54MUR41 · 2026-06-10

    Submitted JDK 26 G1/Parallel/Serial GC Changes as a story · 2 points

    HN discussion
  11. 0x54MUR41 · 2025-04-03

    Submitted New Write Barriers for G1 as a story · 2 points

    HN discussion
  12. r4um · 2021-06-29

    Submitted Evacuation Failure and Object Pinning as a story · 2 points

    HN discussion
  13. r4um · 2024-02-08

    Submitted JDK 22 G1/Parallel/Serial GC Changes as a story · 1 points

    HN discussion
  14. pjmlp · 2020-09-08

    Submitted JDK 15 G1/Parallel GC changes as a story · 1 points

    HN discussion

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