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Where StructuredTaskScope Ends: Building the Flow Layer in Exeris

May 7 · 13 min read · Where StructuredTaskScope Ends: Building the Flow Layer in Exeris This is the fifth article in the Exeris Kernel series. The series has been building one coherent architectural picture: article one replaced ThreadLocal with ScopedValue on the context...

Your TLS Stack Is Lying to You About Zero-Copy

May 1 · 9 min read · Your TLS Stack Is Lying to You About Zero-Copy The "No Waste Compute" Constraint When I started designing the Exeris Kernel, I set one non-negotiable rule very early: no waste compute. That rule sounds like a performance slogan until it starts killin...

StructuredTaskScope beyond toy examples: dependency-aware kernel bootstrap in modern Java

Apr 7 · 14 min read · StructuredTaskScope beyond toy examples: dependency-aware kernel bootstrap in modern Java I did not start this because I wanted to write an article about StructuredTaskScope. I got there from a more annoying direction: bootstrap had stopped being a s...

Reevaluating 1990s OOP in Java: DOP, Scoped Values, and Loom in 2026

Mar 21 · 6 min read · Reevaluating 1990s OOP in Java: DOP, Scoped Values, and Loom in 2026 For decades, the Gang of Four (GoF) design patterns were the standard for object-oriented programming. If you had conditional behavior, you built a Factory. If you had interchangeab...

Why I Banned ThreadLocal from the Exeris Kernel (And What Replaced It)

Mar 6 · 6 min read · Why I Banned ThreadLocal from the Exeris Kernel (And What Replaced It) When I started designing the Exeris Kernel — a next-generation, zero-copy runtime built for Java 26+ — I established one non-negotiable architectural law: "No Waste Compute." In a...