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🇺🇦 Go performance channel
runtime: implement experiment to replace heap bitmap with alloc headers #golang

TLDR: This change replaces the 1-bit-per-word heap bitmap. The purpose of this change is performance. There's a flat 1.5% memory use reduction.

https://go-review.googlesource.com/c/go/+/437955

Also, where is a ticket?? 😢
❤10
1.72K viewsOleg, 
🇺🇦 Go performance channel
2024 is gonna be awesome #golang (screenshot from "Go compiler and runtime meeting notes")

https://github.com/golang/go/issues/43930#issuecomment-1874498879
❤12
1.67K viewsOleg, 
🇺🇦 Go performance channel
What We Got Right, What We Got Wrong | #GopherConAU 2023 #golang

https://www.youtube.com/watch?v=yE5Tpp2BSGw
YouTube
19. Rob Pike - What We Got Right, What We Got Wrong | GopherConAU 2023
Fourteen years after the launch of Go, there is much to think about. With the benefit of hindsight, this talk explores some of the lessons learned from Go's progress so far: not just the things that went well but also the things that could have been done…
❤4
3.44K viewsOleg, 
🇺🇦 Go performance channel
🥳 Go 1.21.6 and 1.20.13 are released!

📢 Announcement: https://groups.google.com/g/golang-announce/c/F12eMaUITDs

⬇️ Download: https://go.dev/dl/#go1.21.6

#golang
go.dev
All releases - The Go Programming Language
❤9
1.64K viewsOleg, 
🇺🇦 Go performance channel
Scaling #golang to 192 Cores with Heavy I/O

https://jazco.dev/2024/01/10/golang-and-epoll/
Jaz’s Blog
Scaling Go to 192 Cores with Heavy I/O
When running on baremetal, however, we found two key limitations of the Go runtime so far: Systems with a lot of RAM can have a lot of allocations, prompting the Go Garbage Collector to aggressively steal CPU. 2. Applications performing hundreds of thousands…
❤2
1.81K viewsOleg, 
🇺🇦 Go performance channel
🇺🇦 Go performance channel
Scaling #golang to 192 Cores with Heavy I/O https://jazco.dev/2024/01/10/golang-and-epoll/
https://github.com/golang/go/issues/65064
GitHub
runtime: epoll scalability problem with 192 core machine and 1k+ ready sockets · Issue #65064 · golang/go
Split from #31908 (comment) and full write-up at https://jazco.dev/2024/01/10/golang-and-epoll/. tl;dr is that a program on a 192 core machine with >2500 sockets and with >1k becoming ready a...
❤4
1.85K viewsOleg, 
🇺🇦 Go performance channel
crypto/rsa,crypto/internal/bigmod: improve verify/encrypt performance by @FiloSottile #golang

https://github.com/golang/go/commit/b2dbfbfc2315557815e1d5de12f28ed57f60958a
❤10
1.92K viewsOleg, 
🇺🇦 Go performance channel
From slow to SIMD: A #golang optimization story by @sourcegraph

https://sourcegraph.com/blog/slow-to-simd
Sourcegraph
From slow to SIMD: A Go optimization story | Sourcegraph Blog
So, there's this function. It's called a lot. More importantly, all those calls are on the critical path of a key user interaction. Let's talk about making it fast.
❤10
1.61K viewsOleg, 
🇺🇦 Go performance channel
Share your feedback about developing with #golang

https://go.dev/blog/survey2024-h1
go.dev
Share your feedback about developing with Go - The Go Programming Language
Help shape the future of Go by sharing your thoughts via the Go Developer Survey
❤1
1.46K viewsOleg, 
🇺🇦 Go performance channel
🎉 Go 1.22 Release Candidate 2 is released!

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

📣 Announcement:
https://groups.google.com/g/golang-announce/c/ktlSOU6z65Y

🗃 Download: go.dev/dl/#go1.22rc2

#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.
❤8
1.76K viewsOleg, edited  
🇺🇦 Go performance channel
Hiring Challenge: Smallest #golang Websocket Client

https://dyte.io/blog/hiring-challenge-smallest-golang-websocket-client/ by @dyte_io
Dyte
Hiring Challenge: Smallest golang Websocket Client
Learn to create a compact Go program for a websocket server, optimizing the binary size. Insights from a Dyte hiring challenge.
❤5
3.93K viewsOleg, 
🇺🇦 Go performance channel
👨🏻‍🔬 Go memory metrics demystified:

- How does process RSS relate to go memory metrics?
- How do you identify off-heap allocation problems?
- Why does the heap profile under-report memory usage by 2x?

https://www.datadoghq.com/blog/go-memory-metrics/
Datadog
Go memory metrics demystified | Datadog
Learn how to use runtime metrics and profiling data to resolve memory issues in your Go applications.
❤6
2.13K viewsOleg, 
🇺🇦 Go performance channel
🥳 Go 1.22.0 is released!

🗒 Release notes: https://go.dev/doc/go1.22

📦 Download: https://go.dev/dl/#go1.22.0

#golang
go.dev
Go 1.22 Release Notes - The Go Programming Language
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1.73K viewsOleg, 
🇺🇦 Go performance channel
Testing out Profile-Guided Optimization on Dolt's SQL Benchmarks #golang by @DoltHub

https://www.dolthub.com/blog/2024-02-02-profile-guided-optimization/
Dolthub
Testing out Profile-Guided Optimization on Dolt's SQL Benchmarks
In this blog we try out Go's new profile-guided build optimizations on Dolt's SQL benchmarks and share the results
❤2
1.92K viewsOleg, 
🇺🇦 Go performance channel
Go port of Google's Swiss Table hash table

https://github.com/cockroachdb/swiss #golang
GitHub
GitHub - cockroachdb/swiss: Go port of Google's Swiss Table hash table
Go port of Google's Swiss Table hash table. Contribute to cockroachdb/swiss development by creating an account on GitHub.
❤6
1.83K viewsOleg, 
🇺🇦 Go performance channel
🇺🇦 Go performance channel
Go port of Google's Swiss Table hash table https://github.com/cockroachdb/swiss #golang
See also https://github.com/golang/go/issues/54766
GitHub
runtime: use SwissTable · Issue #54766 · golang/go
Abstract From ByteDance Programming Language Team We suggest using SwissTable in the runtime to replace the original implementation of the hashmap. SwissTable is now used in abseil and rust by defa...
1.93K viewsOleg, 
🇺🇦 Go performance channel
Understanding the #golang runtime - Jesus Espino @golab_conf

https://www.youtube.com/watch?v=YpRNFNFaLGY
YouTube
Understanding the Go runtime - Jesus Espino
🔔 FOLLOW GOLAB CHANNEL 🔔

ABSTRACT:
The Go runtime is an essential part of every single Go compiled binary. Understanding what it does for us and the price we pay for it can be interesting.
This talk will explore what the runtime does internally and what…
❤2
1.9K viewsOleg, 
🇺🇦 Go performance channel
That will be awesome if SwissTable will land in #golang🤞(1.23 or 1.24?)

https://github.com/golang/go/issues/54766#issuecomment-1964278472
❤14
1.56K viewsOleg, 
🇺🇦 Go performance channel
Follow go-perf on Bluesky 💙

https://bsky.app/profile/go-perf.bsky.social
Bluesky Social
🇺🇦 Go performance channel (@go-perf.bsky.social)
#golang performance, runtime, concurrency. Talks, blogposts and open source projects for #gophers (mail: [email protected]). Not affiliated with Go team.
❤2
1.54K viewsOleg, 
🇺🇦 Go performance channel
Balanced GC: A Copying Garbage Collector for #golang by Yifei Zhang @GopherCon

https://www.youtube.com/watch?v=DpQgJ06ZjGc
YouTube
GopherCon 2023: Balanced GC: A Copying Garbage Collector for Golang - Yifei Zhang
In this talk, we introduce balanced GC, which allows bump allocation for small pointerless objects in per-goroutine allocation buffers and uses a copying GC to manage that memory. Balanced GC can significantly accelerate object allocation and improve the…
❤3
1.77K viewsOleg, 
2025/07/09 10:54:58
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