photoscope
asm
| photoscope | asm | |
|---|---|---|
| 1 | 4 | |
| 4 | 868 | |
| - | 0.0% | |
| 2.9 | 0.0 | |
| about 1 month ago | about 1 year ago | |
| Go | Go | |
| MIT License | MIT No Attribution |
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photoscope
asm
-
Quickly checking that a string belongs to a small set
We took a similar approach in our JSON decoder. We needed to support sets (JSON object keys) that aren't necessarily known until runtime, and strings that are up to 16 bytes in length.
We got better performance with a linear scan and SIMD matching than with a hash table or a perfect hashing scheme.
See https://github.com/segmentio/asm/pull/57 (AMD64) and https://github.com/segmentio/asm/pull/65 (ARM64). Here's how it's used in the JSON decoder: https://github.com/segmentio/encoding/pull/101
-
Changing one character wildly improved our application's performance
OP here, the algorithms we use give us about 5-10x the performance of the standard library sort, even compared against the new pdqsort in Go 1.19. https://github.com/segmentio/asm/pull/77
- Go library providing algorithms optimized for modern CPUs
- Segmentio/asm – Go library of algorithms optimized to leverage modern CPUs
What are some alternatives?
sha256-simd - Accelerate SHA256 computations in pure Go using AVX512, SHA Extensions for x86 and ARM64 for ARM. On AVX512 it provides an up to 8x improvement (over 3 GB/s per core). SHA Extensions give a performance boost of close to 4x over native.
photofield - Experimental fast photo viewer.
gperf - mirror of git.savannah.gnu.org/gperf.git with more features. gitlab has the issues
Go-Hacking - A FREE comprehensive online Go hacking tutorial utilizing the x64, ARM64 and ARM32 architectures going step-by-step into the world of reverse engineering Golang from scratch.
avo - Generate x86 Assembly with Go
go-unsplash - Go Client for the Unsplash API
encoding - Go package containing implementations of efficient encoding, decoding, and validation APIs.
faasd - A lightweight & portable faas engine
immich-go - An alternative to the immich-CLI command that doesn't depend on nodejs installation. It tries its best for importing google photos takeout archives.
nbperf - Improved NetBSD's Perfect Hash Generation Tool v3