VirtusLab's ArticlesRSS

Backend Engineering|Published: May 7, 2025

Why Java on ARM is gaining momentum

Java has come a long way on ARM. Runtime improvements, smarter garbage collectors, and better vector performance now make it a solid fit. CI/CD pipelines work without extra effort. This guide walks through: - real-world benchmarks - examples from AWS and Google Cloud - gives hands-on advice for tooling, deployment, and compatibility If you're weighing cost, speed, or sustainability, this will help you judge whether a move to ARM makes sense—and how to pull it off cleanly.

Scala|Published: Jul 18, 2024

Scala to WebAssembly: How and Why

WebAssembly (Wasm) is a binary instruction format that offers a compact and efficient way for executing code across diverse environments, including the web. Previously, Scala couldn’t directly compile to Wasm, but now Scala.js will support Wasm as its new linker backend, thanks to the collaborative efforts of the ScalaCenter and VirtusLab. This development may raise a question: why does Scala aim to compile to Wasm, and how is this achieved?

Scala|Published: Jun 14, 2024

Overcoming macro annotations

Scala 2 accumulated multiple amazing features that either improve the readability of the code, make it easier to write and maintain, or reduce the amount of boilerplate. Even though most of them have become an integral part of the language, some were only treated as experimental—their goal was to discover new language capabilities. Still, it was treated as a temporal and prone to change solution.