starshard 0.2.0

A blazing-fast sharded concurrent HashMap using hashbrown and RwLock, with lazy shards, atomic length cache, and async support.

Documentation

Coverage
90.91%
10 out of 11 items documented1 out of 11 items with examples
Size
Source code size: 51.95 kB This is the summed size of all the files inside the crates.io package for this release.
Documentation size: 2.02 MB This is the summed size of all files generated by rustdoc for all configured targets
Ø build duration
this release: 25s Average build duration of successful builds.
all releases: 33s Average build duration of successful builds in releases after 2024-10-23.
Links
Homepage
houseme/starshard
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crates.io
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Starshard

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A high-performance sharded concurrent HashMap for Rust, built on hashbrown and RwLock/tokio::sync::RwLock.

Features

Lazy shard initialization
O(1) atomic len
Optional parallel iteration with rayon
Async API with Tokio (feature async)
Pluggable hashers (default: fxhash)

Install

Add to Cargo.toml:

[dependencies]
starshard = { version = "0.1.0", features = ["rayon", "async"] }

Quick Start

use starshard::ShardedHashMap;
let map: ShardedHashMap<String, i32> = ShardedHashMap::new(64);
map.insert("k".into(), 1);
assert_eq!(map.get(&"k".into()), Some(1));

License

Dual-licensed under MIT or Apache-2.0.

See LICENSE-MIT and LICENSE-APACHE.