🇺🇦 Go performance channel 351

🥳 Go 1.21.4 and 1.20.11 are released!

🔐 Security: Includes security fixes for path/filepath (CVE-2023-45283, CVE-2023-45284)

🗣 Announcement: https://groups.google.com/g/golang-announce/c/4tU8LZfBFkY

🗃 Download: https://go.dev/dl/#go1.21.4

#golang

go.dev

All releases - The Go Programming Language

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2.38K views🇺🇦 Oleg Kovalov, 07:48

🇺🇦 Go performance channel

runtime: make GOMAXPROCS cfs-aware on GOOS=linux #golang https://github.com/golang/go/issues/33803

Also, Go, Containers, and the Linux Scheduler https://www.riverphillips.dev/blog/go-cfs/

GitHub

runtime: make `GOMAXPROCS` cfs-aware on `GOOS=linux` · Issue #33803 · golang/go

Problem The default setting of runtime.GOMAXPROCS() (to be the number of os-apparent processors) can be greatly misaligned with container cpu quota (e.g. as implemented through cfs bandwidth contro...

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3.01K views🇺🇦 Oleg Kovalov, 07:49

🇺🇦 Go performance channel

Sorting strings in Go, fast & slow

https://aead.dev/news/sort-strings/

❤7

2.72K views🇺🇦 Oleg Kovalov, 15:01

🇺🇦 Go performance channel

Inlining after devirtualization is merged! #golang https://github.com/golang/go/issues/52193

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2.44K views🇺🇦 Oleg Kovalov, 11:36

🇺🇦 Go performance channel

Go 1.22 RC1 is scheduled on Dec 12 (2 weeks from now) #golang (as per https://github.com/golang/go/issues/43930#issuecomment-1830616470)

(I'm excited about new inliner 🚀)

GitHub

Go compiler and runtime meeting notes · Issue #43930 · golang/go

Google's Go compiler and runtime team meets periodically (roughly weekly) to discuss ongoing development of the compiler and runtime. While not open to the public, there's been desire by th...

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2.19K views🇺🇦 Oleg Kovalov, 21:16

🇺🇦 Go performance channel

Optimizing #golang string operations with practical examples

https://medium.com/@ozoniuss/optimizing-go-string-operations-with-practical-examples-83df39b776fb

Medium

Optimizing Go string operations with practical examples

I’m going to show you how I took a very simple program and made it run almost 5 times faster, with very minimal adjustments. You may know…

2.12K views🇺🇦 Oleg Kovalov, 08:09

🇺🇦 Go performance channel

🌟 Go 1.21.5 and 1.20.12 are released!

🔐 Security: Includes security fixes for net/http (CVE-2023-39326), cmd/go (CVE-2023-45285), path/filepath (CVE-2023-45283 update).

📢 Announcement: https://groups.google.com/g/golang-announce/c/iLGK3x6yuNo

⬇️ Download: https://go.dev/dl/#go1.21.5

go.dev

All releases - The Go Programming Language

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2.04K views🇺🇦 Oleg Kovalov, 08:23

🇺🇦 Go performance channel

Great proposal thanks to mknyswe proposal: intern package #golang https://github.com/golang/go/issues/62483

unique: new package with unique.Handle is accepted! #golang

https://github.com/golang/go/issues/62483#issuecomment-1791156853

GitHub

unique: new package with unique.Handle · Issue #62483 · golang/go

Proposal: unique package Updated: 10 April 2024 Oct 4th EDIT: Changed package name from "intern" to "unique" and renamed "Symbol" to "Handle" based on feedba...

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1.73K views🇺🇦 Oleg Kovalov, 07:59

🇺🇦 Go performance channel

Analyzing #golang Heap Escapes

https://landontclipp.github.io/blog/2023/07/15/analyzing-go-heap-escapes/

topofmind.dev

Analyzing Go Heap Escapes - Top of Mind

Analyzing how Go decides what escapes to the heap, and how to visualize it in VSCode.

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2.22K views🇺🇦 Oleg Kovalov, 08:19

🇺🇦 Go performance channel

proposal: crypto: replace assembly implementations with internal instrinsics #golang

https://github.com/golang/go/issues/64634

GitHub

proposal: crypto: replace assembly implementations with internal instrinsics · Issue #64634 · golang/go

There are 2X AES throughput improvements available here #42726. However the assembly implementations are too big: https://go-review.googlesource.com/c/go/+/286852/comments/1b1a6e65_4e27a3f8 From th...

2.04K views🇺🇦 Oleg Kovalov, 08:22

🇺🇦 Go performance channel

🎊 Go 1.22 Release Candidate 1 is released!

🏃‍♂️ Run it in dev! Run it in prod! File bugs! https://go.dev/issue/new

📢 Announcement: https://groups.google.com/g/golang-announce/c/FIUY9kd7fc0

⬇️ Download: https://go.dev/dl/#go1.22rc1

#golang

GitHub

GitHub is where people build software. More than 150 million people use GitHub to discover, fork, and contribute to over 420 million projects.

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2.06K views🇺🇦 Oleg Kovalov, 21:43

🇺🇦 Go performance channel

Proposal: sync: support for sharded values #golang

> We're working on an alternative proposal that lays this out in detail

https://github.com/golang/go/issues/18802#issuecomment-1871306565

❤7

1.76K viewsOleg, 15:46

🇺🇦 Go performance channel

cmd/compile: rotate loops so conditional branch is at the end #golang

> This removes one instruction (the unconditional jump) from the inner loop. Kinda surprisingly, it matters.

https://go-review.googlesource.com/c/go/+/38431

❤2

2.36K viewsOleg, 19:07

2025/07/09 16:33:02
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