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If you have an interest in understanding garbage collection better, or in how Go's new GC works under-the-hood, I highly recommend reading @michael.express's thorough guide through Go's current and Green Tea GC.

Go@golang.org

“The Green Tea Garbage Collector” by Michael Knyszek and Austin Clements — https://go.dev/blog/greenteagc #golang

Michael Pratt

@prattmic.com

For some added fun, also see go.dev/cl/715362, wherein I discover that VPCOMPRESSQ is horrifically slow on AMD Zen 4, but only with a memory destination. And thanks to @lemire.bsky.social for writing about this, which made this much faster to track down!

go.devgo.devGerrit Code Review

29/10/25, 7:20 pm2 reposts8 likes

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