From unique to cleanups and weak: new low-level tools for efficiency
https://go.dev/blog/cleanups-and-weak #golang
https://go.dev/blog/cleanups-and-weak #golang
go.dev
From unique to cleanups and weak: new low-level tools for efficiency - The Go Programming Language
Weak pointers and better finalization in Go 1.24.
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Someone on the Go team decided to take a "quick stab" at fixing a small bug in Go's escape analysis, resulting in a 5x increase in typescript performance.
Why Go you ask?
https://x.com/PreslavMihaylov/status/1900228243434668245
link to the issue https://github.com/golang/go/issues/72815#issuecomment-2719445786
Why Go you ask?
https://x.com/PreslavMihaylov/status/1900228243434668245
link to the issue https://github.com/golang/go/issues/72815#issuecomment-2719445786
X (formerly Twitter)
Pres Mihaylov (@PreslavMihaylov) on X
Someone on the Go team decided to take a "quick stab" at fixing a small bug in Go's escape analysis, resulting in a 5x increase in typescript performance.
Why Go you ask?
Why Go you ask?
❤2
Faster interpreters in Go: Catching up with C++ https://planetscale.com/blog/faster-interpreters-in-go-catching-up-with-cpp
Planetscale
Faster interpreters in Go: Catching up with C++ — PlanetScale
A novel technique for implementing dynamic language interpreters in Go, applied to the Vitess SQL evaluation engine
❤14
Diagnostics wiki https://go.dev/doc/diagnostics #golang
go.dev
Diagnostics - The Go Programming Language
❤13
> is the new Go 1.24 benchmark loop syntax making my code 7x slower, and why?
https://blskyl.ink/deleplace/3lkvc7du5wc2t
https://blskyl.ink/deleplace/3lkvc7du5wc2t
❤22
🎊 Go 1.24.2 and 1.23.8 are released!
🔐 Security: Includes a security fix for net/http (CVE-2025-22871).
📣 Announcement: https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk/m/cs_6qIK5BAAJ
📦 Download: https://go.dev/dl/#go1.24.2
#golang
🔐 Security: Includes a security fix for net/http (CVE-2025-22871).
📣 Announcement: https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk/m/cs_6qIK5BAAJ
📦 Download: https://go.dev/dl/#go1.24.2
#golang
go.dev
All releases - The Go Programming Language
proposal: runtime: CPU limit-aware GOMAXPROCS default #golang
https://github.com/golang/go/issues/73193 by @prattmic.com
https://github.com/golang/go/issues/73193 by @prattmic.com
GitHub
runtime: CPU limit-aware GOMAXPROCS default · Issue #73193 · golang/go
Overview Change the Go runtime on Linux to use CPU cgroup quota limits to set the default value of GOMAXPROCS. This is a concrete proposal for the ideas discussed in #33803. I've included a lot...
❤20
Assert your #golang code is inlined and bounds-check eliminated
https://github.com/jordanlewis/gcassert
https://github.com/jordanlewis/gcassert
GitHub
GitHub - jordanlewis/gcassert: Assert your Go code is inlined and bounds-check eliminated
Assert your Go code is inlined and bounds-check eliminated - jordanlewis/gcassert
❤10
How to store Go pointers from assembly https://mazzo.li/posts/go-asm-pointers.html
mazzo.li
How to store Go pointers from assembly
The standard Go toolchain comes with an assembler out of the box. Said assembler is highly idiosyncratic, using syntax inherited from Plan 9 and choosing its own names for platform-specific instructions and registers. But it's great to have it readily available.…
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How Go 1.24's Swiss Tables saved us hundreds of gigabytes
#golang https://www.datadoghq.com/blog/engineering/go-swiss-tables/
#golang https://www.datadoghq.com/blog/engineering/go-swiss-tables/
Datadog
How Go 1.24's Swiss Tables saved us hundreds of gigabytes | Datadog
Go 1.24's Swiss Tables cut our map memory usage by up to 70% in high-traffic workloads. Here's how we profiled the savings and improved performance.
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proposal: simd: architecture-specific SIMD intrinsics under a GOEXPERIMENT #golang
https://github.com/golang/go/issues/73787#issuecomment-3208178910
https://github.com/golang/go/issues/73787#issuecomment-3208178910
GitHub
simd: architecture-specific SIMD intrinsics under a GOEXPERIMENT · Issue #73787 · golang/go
Update (08/20/2025): A preliminary implementation of AMD64 low-level SIMD package is being developed on the dev.simd branch. You're welcome to check it out and try it with your use cases. Feedb...
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Making
https://github.com/golang/go/issues/48195#issuecomment-3224273708
DecodeRuneInString is inlinable #golang https://github.com/golang/go/issues/48195#issuecomment-3224273708
❤7