# Codename One Performance Work Covers Benchmarks, Runtime Overhead, and Native Features

DevFeed: [Codename One Performance Work Covers Benchmarks, Runtime Overhead, and Native Features](<https://devfeed.tech/articles/lies-damn-lies-and-benchmarks-19427.md>)

Original publisher: [Read original article](<https://www.codenameone.com/blog/performance-work-between-benchmarks/>)

Author: Shai Almog

Published: 2026-09-11T00:00:00Z

Content type: article

Language: en

Sources: [CodeName One](<https://devfeed.tech/sources/codename-one.md>)

Topics: [Programming](<https://devfeed.tech/topics/programming.md>), [Java](<https://devfeed.tech/topics/java.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [App](<https://devfeed.tech/topics/app.md>)

Tags: [benchmark](<https://devfeed.tech/tags/benchmark.md>), [benchmarks](<https://devfeed.tech/tags/benchmarks.md>), [java](<https://devfeed.tech/tags/java.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [performance](<https://devfeed.tech/tags/performance.md>), [process](<https://devfeed.tech/tags/process.md>)

## AI overview

The article describes Codename One performance work across maps, garbage collection, rendering, startup, memory use, and generated JavaScript. It also reports Java APIs for native drag and drop and cross-device continuity.

## Source excerpt

Codename One tackles GC, maps, startup, and JavaScript overhead, and adds native drag and drop plus cross-device continuity. Javadoc joins website search as we prepare for Android API 37.