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simd-popcnt
v0.2.1 ExperimentalFast bit population count (number of 1 bits) of a byte slice using POPCNT, AVX2, AVX512, ARM NEON and ARM SVE.
MIT OR Apache-2.0 Edition 2024 MSRV 1.89
Quick Verdict
- ✓Actively maintained (updated 7d ago)
- !Pre-1.0: API may have breaking changes
- ✓Tiny footprint (23KB, 0 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
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Downloads
56
Dependents
0
Releases
3
Size
23KB
Deep Insights
📊
Download activity
56 downloads in the last 30 days (2/day avg).
🪶
Zero dependencies
simd-popcnt has no external dependencies — minimal supply chain risk and fast compile times.
📐
Compact crate
At 22KB, simd-popcnt is lightweight. Small crate size correlates with focused, well-scoped functionality.
Health Breakdown
Maintenance 14/25
Recency, release consistency, active ratio
Quality 17/25
Yanked ratio, deps, size, maturity, features
Community 5/20
Reverse deps, ownership, ecosystem
Popularity 2/15
Downloads, momentum, growth trend
Documentation 12/15
Docs, repo, license, metadata
Download Trend
Daily downloads · last 90 days
0/day avg
Version Adoption
v0.2.0
38%
v0.1.0
32%
v0.2.1
30%
Release Timeline
3 releasessince 2026
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2026
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LessMore
Feature Flags
default =["std"]
std*
README
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Maintainers
Dependencies
0
direct dependencies
Dependents
0
crates depend on simd-popcnt