JDK 27 (jdk.java.net/27/), build 24 and later, have an interesting fix to StrictMath.pow developed by my colleague Anton Artemov (github.com/openjdk/jdk/...). StrictMath uses the venerable FDLIBM algorithms and the last changes to upstream FDLBIM codebase were made circa 2004.

Content California cat.

Slides for my #JavaOne talk on "Paths to support additional numeric types on the Java platform": github.com/jddarcy/Spea... (Preview in github may not work; direct download seems fine.)

Happy ½τ day to all who celebrate.

Looking forward to #JavaOne next week; I found this one-page view of the conference schedule helpful in planning what to see: dev.java/community/ja... HTH

Less than two weeks until my #JavaOne talk on "Paths to New Numeric Types On the Java Platform" [LRN1429] reg.rf.oracle.com/flow/oracle/... See on you on Tuesday, March 17, 11:30 AM to 12:20 PM PDT in Room 105.

The IEEE 754 floating-point arithmetic / kaiju cross-over movie we've all been waiting for _Godzilla Minus Zero_ (also stylized as "Godzilla -0.0") is slated for release in late 2026! en.wikipedia.org/wiki/Godzill... "Godzilla NaN" next expected sequel for an unordered challenge.

Godzilla Minus Zero - Wikipedia

en.wikipedia.org

Now just over five weeks until the Dec. 4, 2025 start of JDK 26 rampdown 1. No time like the present to get any remaining CSRs filed. mail.openjdk.org/pipermail/jd...

For those of us in the bay area, with one of the first rain storms of the season, a reminder to check the local storm drains to see if they are clear of debris blocking their flow.

I'm seeing lots of AI generated Java Dukes appearing with a mouth, feet, ears and more. Tip: when using AI, upload this “Duke Specification” image, prompt AI to follow as a reference. I think you'll find the resulting image is much better. Ex: "draw duke on a skateboard referencing this spec image"

Video now available for my 2025 #JVMLS talk "Paths to support additional numeric types on the Java platform": youtu.be/xCdJb_zI5us

Paths to Support Additional Numeric Types on the Java Platform #JVMLS

YouTube video by Java

youtu.be

Slides for my #JVMLS talk on "Paths to support additional numeric types on the Java platform": github.com/jddarcy/Spea...

JSR 269 up for maintenance review (MR) for the changes being made in Java SE 25: jcp.org/aboutJava/co... #OpenJDK

Just one month to go until my #JVMLS talk on "New Numeric Types in Java": openjdk.org/projects/mlv...

Happy 𝜏 day to all who celebrate.

JDK 26 now underway! #OpenJDK github.com/openjdk/jdk/...

8355746: Start of release updates for JDK 26 · openjdk/jdk@af87035

8355748: Add SourceVersion.RELEASE_26 8355751: Add source 26 and target 26 to javac Co-authored-by: Joe Darcy <darcy@openjdk.org> Reviewed-by: iris, coleenp, darcy

github.com

Watching through Andor season two and imagining a future companion book "The Andor Guide to Business" with chapters like: "Effective Meetings" by Major Lio Partagaz, ISB "Get the people you need when you need them" by Luthen Rael

New experience today at the grocery store, getting carded when trying to buy _non-alcoholic_ beer. The situation was resolved _without_ the need to show id.

No reason to delay; now is an opportune time to get CSRs in for JDK 25 changes well ahead of the anticipated JDK 25 rampdown 1 start: mail.openjdk.org/pipermail/jd... #OpenJDK #JDK25

Highlight from the first day of Yosemite firefall 2025.

@julialang.org , OpenLibm question: are the algorithmic differences between OpenLibm and FDLIBM 5.3 documented anywhere? There are various source differences, but I didn't see any discussion in the openlibm git repo. TIA

The Java SE 24 changes in the JSR 269 annotation processing API, javax.lang.model.* and javax.annotation.processing, are through maintenance review for the release: jcp.org/en/jsr/resul...

The JSR 269 annotation processing API, javax.lang.model.* and javax.annotation.processing, is up for maintenance review for the changes being proposed in Java SE 24: jcp.org/aboutJava/co... Send your comments to the OpenJDK compile-dev list.

Had solar panels installed earlier this year and my local utility, PG&E, is estimating true-up reconciliation of NaN dollars at the system anniversary date. I'm going to be careful which account NaN dollars gets deposited into!

For those of us in the bay area, with one of the first rain storms of the season, a reminder to check the local storm drains to see if they are clear of debris blocking their flow.

And JDK 25 is now underway! git.openjdk.org/jdk/commit/5... #OpenJDK

8342979: Start of release updates for JDK 25 · openjdk/jdk@5cc150c

8342982: Add SourceVersion.RELEASE_25 8342983: Add source 25 and target 25 to javac Co-authored-by: Joe Darcy <darcy@openjdk.org> Reviewed-by: iris, darcy, erikj, dholmes

git.openjdk.org

Achievement unlocked: all expected food shopping for Thanksgiving dinner 2024 complete!

On Friday evening at a trivia contest that was a fundraiser for a literacy project, one of the questions was "What programming language is named after Indonesian coffee?" Knowledge of Java is useful in so many contexts!

Don't need the full range and precision of 32-bit float? Experiment with 16-bit floating-point arithmetic with jdk.incubator.vector.Float16 in #JDK24: download.java.net/java/early_a... #OpenJDK

Interesting new Javadoc feature in JDK 24 build 24: index page for index terms defined in the Javadoc sources: download.java.net/java/early_a... #OpenJDK #JDK24