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hashmap-mem

v0.2.2 Experimental

Fast, low-overhead in-memory hashmap implementation optimized for performance using fxhash

MIT Edition 2024
CachingData structuresMemory management #data-structure#memory#performance#hashmap#fxhash

Quick Verdict

  • โœ“Actively maintained (updated 66d ago)
  • !Pre-1.0: API may have breaking changes
  • โœ“Tiny footprint (8KB, 1 deps)
  • โœ“Permissive license (MIT)

Security

Checking security advisories...
Downloads
4.9K
Dependents
85
Releases
4
Size
8KB

Deep Insights

๐Ÿ“‰
Download decline

261 downloads in the last 30 days, down 25% from the previous period. May indicate migration to alternatives.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 259 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 8KB, hashmap-mem is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include swamp-vm, swamp-vm-layout, swamp-vm-isa, swamp-layout, swamp-abi-types. When high-quality crates choose hashmap-mem, it's a strong quality signal.

Health Breakdown

Maintenance 17/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 11/20

Reverse deps, ownership, ecosystem

Popularity 4/15

Downloads, momentum, growth trend

Documentation 10/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
11/day avg-38%
010203012/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.2.0
81%
v0.1.16
8%
v0.2.1
8%
v0.2.2
2%

Release Timeline

4 releasessince 2025
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2026
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README

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Maintainers

Dependencies
1
direct dependencies
Dependents
85
crates depend on hashmap-mem

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