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How to Use AVX512 in Golang
3 projects | news.ycombinator.com | 22 Jan 2023
I thought the /r/golang comments on this post were pretty useful. They also introduced me to avo, a tool for generating x86 assembly from go that I hadn't seen before. There are some examples listed on the avo github page for generating AVX512 instructions with avo.3 projects | /r/golang | 21 Jan 2023
For writing AVX512 from scratch avo is a much better alternative.
SIMD Accelerated vector math
5 projects | /r/golang | 5 Oct 2022
Avo is a library that simplifies writing complex go assembly, I found it very useful to figure out how instructions map onto Go's asm syntax. But you could definitely do the translation directly, it's what c2goasm did (couldn't get it to work reliably unfortunately).
HaxMap v0.2.0 released, huge performance improvements and added support for 32-bit systems
6 projects | /r/golang | 28 Aug 2022
Curious if you're looking at using avo to write the assembly
HaxMap, a concurrent hashmap faster and more memory-efficient than golang's sync.Map
9 projects | /r/golang | 7 Aug 2022
You can use github.com/mmcloughlin/avo for generating the assembly use Go.
S2: Fully Snappy compatible compression, faster and better
2 projects | /r/golang | 14 Jun 2021
For normal and "better" mode I am using avo to generate different encoders for different input sizes, with and without Snappy compatibility. That currently outputs about 17k lines of assembly.
Branchless Coding in Go (Golang)
4 projects | news.ycombinator.com | 4 May 2021
You could perhaps just have the Go compiler generate the assembler for your code:
go tool compile -S file.go > file_amd64.s
Then you could verify it doesn't change over time, and choose to begin maintaining by hand if it makes sense.
If you do want to go the route of rolling it yourself, I'd suggest looking into something like Avo: https://github.com/mmcloughlin/avo
High precision timer loop.
2 projects | /r/golang | 1 May 2021
If you have to go with Assembly, try Avo https://github.com/mmcloughlin/avo
Can I concatenate multiple non-crypto hash functions to reduce collision?
4 projects | /r/golang | 16 May 2023
SHA256 is high quality but typically a bit slower. Next Go version will have faster SHA256 on some amd64 CPUs - until then you can try sha256-simd which offers the same.
What are some alternatives?
asm - Go library providing algorithms optimized to leverage the characteristics of modern CPUs
asm - Learning assembly for linux-x64
xxh3 - XXH3 algorithm in Go
sonic - A blazingly fast JSON serializing & deserializing library
cpu - cpu command in Go, inspired by the Plan 9 cpu command
rjson - A fast json parser for go
haxmap - Fastest and most memory efficient golang concurrent hashmap
gorse - Gorse open source recommender system engine
xxHash - Pure Go implementation of xxHash (32 and 64 bits versions)
tinyfont - Text library for TinyGo displays
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
xxhash - A Go implementation of the 64-bit xxHash algorithm (XXH64)