🇺🇦 Go performance channel

> internal/runtime/maps: add GOEXPERIMENT=mapsplitgroup for KKKKVVVV slot order https://go-review.googlesource.com/c/go/+/711560

Package archsimd provides access to architecture-specific SIMD operations. This is a low-level package that exposes hardware-specific functionality. It currently supports AMD64. This package is experimental, and not subject to the Go 1 compatibility promise. It only exists when building with the GOEXPERIMENT=simd environment variable set. https://pkg.go.dev/simd/archsimd@go1.26rc1

🥳 Go 1.25.5 and 1.24.11 are released! 🔐 Security: Includes security fixes for crypto/x509 (CVE-2025-61729, CVE-2025-61727). 🗣 Announcement: groups.google.com/g/golang-ann... 📦 Download: go.dev/dl/#go1.25.5 #golang

strconv: replace Ryu ftoa with Dragonbox The new implementation has been fuzz-tested against the current Ryu implementation in addition to the existing test suite. Benchmarks show at least ~15-20% performance improvement. https://go-review.googlesource.com/c/go/+/700075 #golang

The Green Tea Garbage Collector https://go.dev/blog/greenteagc

Memory Allocation in #golang https://nghiant3223.github.io/2025/06/03/memory_allocation_in_go.html

Making DecodeRuneInString is inlinable #golang https://github.com/golang/go/issues/48195#issuecomment-3224273708

proposal: simd: architecture-specific SIMD intrinsics under a GOEXPERIMENT #golang https://github.com/golang/go/issues/73787#issuecomment-3208178910

🔥🔥🔥 #golang https://github.com/golang/go/issues/43930#issuecomment-3201879413

How Go 1.24's Swiss Tables saved us hundreds of gigabytes #golang https://www.datadoghq.com/blog/engineering/go-swiss-tables/

How to store Go pointers from assembly https://mazzo.li/posts/go-asm-pointers.html

Assert your #golang code is inlined and bounds-check eliminated https://github.com/jordanlewis/gcassert

Golang sync.Pool is not a silver bullet https://wundergraph.com/blog/golang-sync-pool #golang

proposal: runtime: CPU limit-aware GOMAXPROCS default #golang https://github.com/golang/go/issues/73193 by @prattmic.com