Green Tea 🍵 Garbage Collector Authors: Michael Knyszek, Austin Clements Updated: 2 May 2025 This issue tracks the design and implementation of the Green Tea garbage collector. As of the last update to this issue, development of Green Tea...

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The Green Tea garbage collector is a new parallel marking algorithm designed to enhance memory locality in Go's garbage collection process. By scanning objects in larger contiguous memory blocks, it aims to reduce GC CPU costs, especially for GC-heavy workloads, and is anticipated to improve performance on many-core systems. Initial tests show significant reduction in GC CPU costs, and the collector will be available as an experimental feature in Go 1.25. Future development may include SIMD acceleration and other optimizations.

runtime: green tea garbage collector · Issue #73581 · golang

<p><a href="https://app.daily.dev/vasn" data-mention-id="twmsvOCVr4s9JjlwIKGqI" data-mention-username="vasn" translate="no">@vasn</a> shall we try it?</p>
