photoscope
asm
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photoscope | asm | |
---|---|---|
1 | 4 | |
4 | 795 | |
- | 0.8% | |
0.0 | 0.0 | |
3 months ago | 2 months ago | |
Go | Go | |
MIT License | MIT License |
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photoscope
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Tracking mentions began in Dec 2020.
asm
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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
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.
faasd - A lightweight & portable faas engine
avo - Generate x86 Assembly with Go
photofield - Experimental fast photo viewer.