starshard

Crates.io	starshard
lib.rs	starshard
version	0.2.0
created_at	2025-09-25 15:17:26.623822+00
updated_at	2025-09-25 15:44:35.351766+00
description	A blazing-fast sharded concurrent HashMap using hashbrown and RwLock, with lazy shards, atomic length cache, and async support.
homepage	https://houseme.github.io/starshard
repository	https://github.com/houseme/starshard
max_upload_size
id	1854752
size	52,490

houseme (houseme)

documentation

https://docs.rs/starshard

README

Starshard

English | 简体中文

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.

Commit count: 8