Lib.rs

parking_lot

More compact and efficient implementations of the standard synchronization primitives

spin

Spin-based synchronization primitives

rayon

work-stealing parallelism for Rust

flume

A blazingly fast multi-producer channel

async-lock

Async synchronization primitives

async-channel

Async multi-producer multi-consumer channel

crossbeam

Tools for concurrent programming

dashmap

Blazing fast concurrent HashMap for Rust

ringbuf

Lock-free SPSC FIFO ring buffer with direct access to inner data

thread_local

Per-object thread-local storage

threadpool

A thread pool for running a number of jobs on a fixed set of worker threads

triomphe

A fork of std::sync::Arc with some extra functionality and without weak references (originally servo_arc)

jobserver

GNU Make jobserver for Rust

oneshot

spsc channel with (potentially) lock-free non-blocking send, and a receiver supporting both thread blocking receive operations as well as Future based async polling

loom

Permutation testing for concurrent code

blake2s_simd

a pure Rust BLAKE2s implementation with dynamic SIMD

scc

High performance containers and utilities for concurrent and asynchronous programming

thread-priority

managing threads priority and schedule policies

sync_wrapper

enlisting the compiler's help in proving the absence of concurrency

lasso

A multithreaded and single threaded string interner that allows strings to be cached with a minimal memory footprint, associating them with a unique key that can be used to retrieve them at any time

state

safe and effortless global and thread-local state management

leaky-bucket

A token-based rate limiter based on the leaky bucket algorithm

corosensei

A fast and safe implementation of stackful coroutines

throttle-server

Provide semaphores for distributed systems via an http interface

stateright

A model checker for implementing distributed systems

mpi

Message Passing Interface bindings for Rust

lockfree-object-pool

A thread-safe object pool collection with automatic return and attach/detach semantics

thingbuf

I'm at the buffer pool. I'm at the MPSC channel. I'm at the combination MPSC channel and buffer pool.

rtrb

A realtime-safe single-producer single-consumer ring buffer

archery

Abstract over the atomicity of reference-counting pointers

atomic_float

Floating point types which can be safely shared between threads

radium

Portable interfaces for maybe-atomic types

try-lock

A lightweight atomic lock

ratelimit

ratelimiter that can be shared between threads

scheduled-thread-pool

A scheduled thread pool

futures-channel

Channels for asynchronous communication using futures-rs

futures-intrusive

Futures based on intrusive data structures - for std and no-std environments

sled

Lightweight high-performance pure-rust transactional embedded database

async-condvar-fair

Condition variables for async Rust

atomic_refcell

Threadsafe RefCell

shuttle

testing concurrent Rust code

mpstthree

implementing Multiparty Session Types for 2 or more participants

may

Rust Stackful Coroutine Library

jobslot

GNU make jobserver for Rust

tachyonix

A very fast asynchronous, multi-producer, single-consumer bounded channel

automerge

A JSON-like data structure (a CRDT) that can be modified concurrently by different users, and merged again automatically

wasm_thread

An std thread replacement for wasm32 target

triple_buffer

triple buffering, useful for sharing frequently updated data between threads

flurry

Rust port of Java's ConcurrentHashMap

concurrent-queue

Concurrent multi-producer multi-consumer queue

concurrent-map

a lock-free linearizable B+ tree

parallel-sh

Execute commands in parallel

waker-fn

Convert closures into wakers

atomic

Generic Atomic<T> wrapper type

sea-streamer

🌊 The stream processing toolkit for Rust

diatomic-waker

An async, lock-free synchronization primitive for task wakeup

graph

high-performant graph algorithms

yaque

disk-backed persistent queue for Rust

lockable

offers hash map, hash set and cache data structures where individual entries can be locked

workerpool

A thread pool for running a number of jobs on a fixed set of stateful worker threads

resman

Runtime managed resource borrowing

orx-concurrent-vec

A thread-safe, efficient and lock-free vector allowing concurrent grow, read and update operations

atomig

Generic, convenient and lock-free std atomics via Atomic<T>. Can be used with many primitive types (including floats) and with custom types.

messaging_thread_pool

aiding the creation of typed thread pool of objects that is communicated with via channels

inline-array

efficient immutable inlinable byte array

memo-map

implementing a synchronized map for memoization

mco

Rust Coroutine Library like go

disruptor

Low latency inter-thread communication via a ringbuffer (inspired by the LMAX Disruptor)

samsa

Rust-native Kafka/Redpanda protocol and client implementation

maitake-sync

No-std async synchronization primitives from Maitake

bus

A lock-free, bounded, single-producer, multi-consumer, broadcast channel

trauma

Simplify and prettify HTTP downloads

lasso2

A multithreaded and single threaded string interner that allows strings to be cached with a minimal memory footprint, associating them with a unique key that can be used to retrieve them at any time

dispatch

Rust wrapper for Apple's Grand Central Dispatch

sync_file

Files that can be read concurrently

gix-lock

A git-style lock-file implementation

typedmap

A hash map (dash map). A type of value is defined by trait implemented on key type

sdd

Scalable lock-free delayed memory reclaimer

rusty_pool

Self growing / shrinking ThreadPool implementation based on crossbeam’s multi-producer multi-consumer channels that enables awaiting the result of a task and offers async support

boxcar

A concurrent, append-only vector

kanal

The fast sync and async channel that Rust deserves

runnel

the pluggable io stream. now support: stdio, string io, in memory pipe

recloser

A concurrent circuit breaker implemented with ring buffers

paralight

A lightweight parallelism library for indexed structures

no_deadlocks

A Runtime Deadlock Debugger

guardian

owned mutex guards for refcounted mutexes

callysto

Stream processing framework

safe-lock

A lock struct with a const fn constructor and no unsafe - ARCHIVED

atomic-time

AtomicDuration, AtomicOptionDuration, AtomicSystemTime, AtomicOptionSystemTime, AtomicInstant and AtomicOptionInstant for Rust

gst-plugin-threadshare

GStreamer Threadshare Plugin

indicatif-log-bridge

Bridge the log crate and indicatif to stop log lines from mixing up with progress bars

mutringbuf

lock-free SPSC ring buffer, with in-place mutability

arrayfire

high performance software library for parallel computing with an easy-to-use API. Its array based function set makes parallel programming simple. ArrayFire's multiple backends (CUDA…

shred

Dispatches systems in parallel which need read access to some resources, and write access to others

television-channels

The revolution will be televised

rtsc

Real-time Synchronization Components

oqueue

Non-interleaving multithreaded output queue

rearch

Re-imagined approach to application design and architecture

io-reactor

Concurrent I/O resource management using reactor pattern

uid

creation of unique IDs

open-coroutine

efficient and generic stackful-coroutine library

gabriel2

Indeed, an actor library based on Tokio, written in Rust

rustix-futex-sync

Linux futex-based synchronization

seize

Fast, efficient, and robust memory reclamation for concurrent data structures

append-only-vec

Append-only, concurrent vector

rustc-rayon

work-stealing parallelism for Rust - fork for rustc

rcu_cell

a lockless rcu cell implementation

watchable

RwLock-like type that is compatible with both multi-threaded and async code

orx-parallel

A performant and configurable parallel computing library for computations defined as compositions of iterator methods

st3

A very fast lock-free, bounded, work-stealing LIFO queue

signals_receipts

exfiltration of the receipt of POSIX signals

mcslock

Mellor-Crummey and Scott contention-free lock for mutual exclusion, referred to as MCS lock

concurrent_arena

u32 concurrent insertion/removal arena that returns ArenaArc

steady_state

Framework for building long running low latency actor based services on Linux. Provides visual telemetry to watch data flows between actors. Uses Erlang style supervisors to defend…

concurrency_example

program demonstrating concurrency using threads

rclite

small, fast, and memory-friendly reference counting compatible with Arc and Rc APIs

pueue

A cli tool for managing long running shell commands

aarc

Atomically updatable variants of Arc and Weak for lock-free concurrency

async_once

async once tool for lazy_static

svix-ksuid

A pure Rust and fully tested KSUID implementation

pumps

Eager streams for Rust

ringbuffer-spsc

A fast thread-safe single producer-single consumer ring buffer

tonari-actor

A minimalist actor framework aiming for high performance and simplicity

paradis

Parallel processing with disjoint indices

idr-ebr

An efficient concurrent ID to object resolver

rc_event_queue

VecDeque-like fast, unbounded, FIFO, concurent read-lock-free message queue

tasklet

An asynchronous task scheduling library

cfavml

CF's Accelerated Vector Math Library providing SIMD optimzied routines for vector operations

async-skipdb

An embedded, in-memory, zero-copy, atomicity, consistency, MVCC, almost lock-free and serializable snapshot isolation database engine

fault-injection

fault injection, concurrency delay injection, and error source annotation

atom

A safe abstraction around AtomicPtr

myriam

Actor model implementation for local and remote actors

every

Run a command every N seconds

crossbeam-queue

Concurrent queues

picokafka

Kafka library for tarantool-module based on librdkafka

bindgen_cuda

Bindgen like interface to build cuda kernels to interact with within Rust

thingvellir

a concurrent, shared-nothing abstraction that manages an assembly of things

actify

An intutive actor model with minimal boilerplate

nbio

Non-Blocking I/O

skedge

Ergonomic single-process job scheduling for Rust programs

whisk

fast lockless async channels

sharded_mutex

No per-object memory overhead locks. Pseudo atomic ops for Copy/PartialEq types.

swap-buffer-queue

A buffering MPSC queue

urcu2

Safe API to liburcu

batch-aint-one

I got 99 problems, but a batch ain't one

minstant

A drop-in replacement for std::time::Instant that measures time with high performance and high accuracy powered by TSC

oxidd-manager-pointer

Pointer-based manager implementation for OxiDD

fast-able

The world's martial arts are fast and unbreakable; 天下武功 唯快不破

qutex

Synchronization mechanisms that rely on lock-free and other non-(thread)blocking techniques, such as Rust futures, to guarantee mutually exclusive or shared exclusive access to data

tsuki-scheduler

light wight, composable and extensible scheduler for every runtime

session_log

session log library for Rust

atomptr

A safe, dependency-less abstraction for typed atomic smart pointers

atom_box

A safe idiomatic Rust implementation of Atomic Box using hazard pointers

gettid

Helper to get an integer ID for the current thread

oneshot-uniffi

Patched version of oneshot specifically for the UniFFI project. This removes the loom target and dependency which helps with UniFFI’s downstream consumers

orx-concurrent-iter

A thread-safe, ergonomic and lightweight concurrent iterator trait and efficient implementations

melodium

Dataflow-oriented language & tool, focusing on treatments applied on data, allowing high scalability and massive parallelization safely

nexus-acto-rs

Actors

supply-chain-trust-example-crate-000025

More compact and efficient implementations of the standard synchronization primitives

crossbeam-utils

concurrent programming

spinning_top

spinlock crate based on the abstractions provided by lock_api

loole

A safe async/sync multi-producer, multi-consumer channel

lever

Pillars for Transactional Systems and Data Grids

electrologica

High performance concurrent primitives for Rust

choir

Task Orchestration Framework

utils-atomics

Various atomic utils

liner_broker

Redis based message serverless broker

mintex

minimal mutex

crossfire

channels for async and threads

async-local

For using thread locals within an async context and across await points

readlock

A weird alternative to Arc<RwLock<T>>

desync

A hassle-free data type for asynchronous programming

portable_atomic_enum

An attribute to create an portable atomic wrapper around a C-style enum

command_history

managing command history in Rust applications

timeslice

periodic time slice scheduler

atomic-take

Atomically take a value out of a container once

protoflow-zeromq

Protoflow implements flow-based programming (FBP) for Rust using Protocol Buffers messages

omango

Concurrency collections

threadbound

Make any value Sync but only available on its original thread

may_actor

Actor library based on MAY

crossbeam-skiplist-mvcc

Support MVCC (Multiple Version Concurrent Control) for crossbeam-skiplist

tokio-cadence

Tokio-based metric sinks for Cadence

rayon-cond

Experimental iterator wrapper that is conditionally parallel or serial

someday

Lock-free MVCC primitive

ptr_cell

Thread-safe cell based on atomic pointers

rcron

cron job scheduling for rust

jod-thread

std::thread which joins on drop by default

pariter

Parallel iterator processing

atomic-shim

Atomic types for unsupported platforms

iterator_ilp

Iterator extensions for instruction-parallel reductions

cachemap2

A concurrent insert-only hashmap for caching values

amity

Concurrency algorithms

rw-cell

Write data to cell from anything place your application without copy, lock and reading in one place

atomic-wait

Cross-platform atomic wait and wake (aka futex) functionality

sovran-state

state management for Rust

cargo-steady-state

Code generator for steady_state projects based on a structured dot file

rose_bloom

A concurrent growing element size linked list with stable pointers

disruptor-rs

A high-performance ring buffer implementation of the LMAX Disruptor pattern

async-event

An efficient async condition variable for lock-free algorithms

thread-manager

A streamlined Rust library for efficient thread pooling and parallel job execution, designed for simplicity, flexibility, and performance

hzrd

Shared mutability containers based on hazard pointers

sovran-arc

Memory management swift-isms brought to Rust

tc-scalar

TinyChain's scalar value enum, including concurrently-resolvable op definitions and references

rs-store

Redux Store for Rust

p3-maybe-rayon

Feature-gated wrapper around rayon

arccstr

Thread-safe, reference-counted null-terminated immutable strings

file-per-thread-logger

A logging implementation that writes logs in one file per thread

atomic_enum

An attribute to create an atomic wrapper around a C-style enum

skedgy

asynchronous job scheduler

moga

A multi-objective genetic algorithm framework

yazi-scheduler

Yazi task scheduler

reord

Run your tests multi-threaded, but in a reproducible way

channel

Rust advanced queue library

semka

Semaphore implementation

benjamin_batchly

Low latency batching tool. Bundle lots of single concurrent operations into sequential batches of work.

atomic_once_cell

Thread-safe and lock-free OnceCell and Lazy

rucron

Job Scheduling Crate

txn_lock

support transactional versioning

parking

Thread parking and unparking

slog-atomic

Atomic run-time controllable drain for slog-rs

shipyard_scenegraph

Scenegraph for Entity Component System

balter

A load/stress testing framework

fluxion

actor framework written in rust and designed for distributed systems

happylock

Free deadlock prevention

async-stm

Asynchronous Software Transactional Memory

sluice

Efficient ring buffer for byte buffers, FIFO queues, and SPSC channels

blazemap

Implements a vector-based slab-like map with an interface similar to that of HashMap, and also provides tools for generating lightweight identifiers that can be type-safely used as keys for this map

local-sync

Non-threadsafe data structure for async usage

tlrepo

Thread-local git2::Repository, shareable across threads

node-replication

An operation-log based approach that transform single-threaded data structures into concurrent, replicated structures

chili

low-overhead parallelization library

tatl

in-process alerting

armc

that facilitates Mutex access to variables

namaste

sharded-thread

Expirement for now

creche

A replacement for std::process::Command and related types in the standard library. Runs single processes, and pipelines of processes, with configuration of file descriptors and environment for each child process.

evtcall

Rust Event Driven Framework

lockfree

concurrent data structures and a solution to the ABA problem as an alternative of hazard pointers

amadeus

Harmonious distributed data processing & analysis in Rust. parquet postgres aws s3 cloudfront elb json csv logs hadoop hdfs arrow common crawl

sids

sample actor-model scheme providing abstraction over actor types and messages that can be sent across threads

rtic-monotonic

Core abstractions of the Real-Time Interrupt-driven Concurrency Monotonic timers

rusturnate

A sync or async mutex, with or without timeouts

lock_ext

Extensions to std::sync::Mutex

rayon-progress-bar

work-stealing parallelism for Rust

atomic-interval

A tiny implementation of an atomic timer

parallel-processor

Framework to manage asynchronous execution of multiple compute units communicating using messages

async-atomic

Atomics which can be subscribed to and asynchronously notify when updated

freezebox

deref'able lazy-initialized container

easy-threadpool

A relatively simple thread pool which you can send jobs to

roboplc

Framework for PLCs and real-time micro-services

idgenerator-thin

Shorter ID and faster generation with a new snowflake drift algorithm. The core is to shorten the ID length, but also can have a very high instantaneous concurrent processing capacity (50W/0…

active_standby

A concurrency primitive for high concurrency reads

maybe-rayon

Either acts as rayon or creates a single-threaded facade

tokio-cron

cron scheduler for tokio

anchor-chain

A statically typed async framework for building LLM-based applications

pi_atom

The global thread safe atomic string pool reduces the memory occupation of the same string and is also used for HashMap keys

rearch-effects

Re-imagined approach to application design and architecture

kueue

A robust, user-level, work-stealing, distributed task scheduler

turbo-metrics

Toolkit to compute quality metrics fast using a GPU

mpsc_requests

mpsc channels but with a response

mpvipc

A small library which provides bindings to control existing mpv instances through sockets

television-previewers

The revolution will be televised

treiber_stack

A lockless, thread-safe, atomic linked-list

congestion-limiter

Dynamic congestion-based concurrency limits for controlling backpressure

mongo-lock-async

Distributed mutex locks with MongoDB

ebr

epoch-based reclamation with low cacheline ping-pong

batch-processing

A batch library for processing a list of items in parallel

k-lock

A fast mutex for short critical sections

kube-leader-election

Leader election implementations for Kubernetes workloads

salsa

A generic framework for on-demand, incrementalized computation (experimental)

atomic-file-install

For atomically installing a file or a symlink

synchronoise

Synchronization primitives that build upon the standard library

redlock

distributed locking mechanism built on top of Redis

pubserve

generic observer trait

concurrent-slotmap

A lock-free concurrent slotmap

split_channel

stream-of-messages abstraction with split send/recv channels

keepcalm

shared types for multi-threaded programs

restd

A re-implementation of various std features

thread_local_collect

Supports the collection and aggregation of thread-local data across threads

rust-lockless-slotmap

A (mostly) lockless slotmap implementation in Rust

parallel_operations

perform binary operations in parallel using threads

init-once

Concurrent, non-blocking lazy initialization of values

throttle-client

Client for Throttle. Throttle is an http semaphore service, providing semaphores for distributed systems.

tc-transact

Traits and locking utilities for a TinyChain transaction

antidote

Poison-free versions of the standard library Mutex and RwLock types

mpmc-async

A multi-producer, multi-consumer async channel with reservations

fasb

faceted answer set browser

windows-key-listener

Listen to arbitrary key chords on Windows

papaya

A fast and ergonomic concurrent hash-table for read-heavy workloads

nblock

Non-Blocking Runtime

pausable_clock

A source of time information that can be paused and resumed

asc

Atomic Strong Count

par-iter-sync

Parallel Iterator With Sequential Output

lfchring

Concurrent, lock-free implementation of a consistent hashing ring data structure, supporting virtual nodes and keeping track of replication

dynamodb_lock

Distributed lock backed by Dynamodb

td_rthreadpool

thread wrapper for Rust

permit

A struct for cancelling operations

pargraph

Operator based parallel graph processing

folklore

A lock-free concurrent hash map

yash-executor

single-threaded concurrent task executor

evident

Pub/Sub library using IDs to identify events

hydra-dashmap

A fork of dashmap for the hydra framework

spools

Content scraping library for Instagram's Threads

command-executor

Command Executor thread pool

atomicell

Multi-threaded RefCell on atomics

incr

fast and self-contained data structures for checking whether a new value is greater than the previous maximum

thread_io

performing I/O in background thread

employees

A small runtime that hides all the boilerplate when using threads

openshmem-rs

Wrappers for the OpenSHMEM API

multithreading

in Rust

rust_kits

kits

amfiteatr_classic

some classic game theory problems to research on

asyncgit

allow using git2 in a asynchronous context

clhlock

Craig and, indenpendently, Magnussen, Landin, and Hagersten queue lock for mutual exclusion, referred to as CLH lock

datacake

A batteries included framework for building fault-tolerance distributed data systems

crossbeam-channel

Multi-producer multi-consumer channels for message passing

oxidd-rules-mtbdd

Multi-terminal decision diagrams (MTBDDs) for OxiDD

granite_reckoner

aggregator enabling basic statistical operations on Vec<T> in the specified number of threads. Works for all Rust's built-in numeric types.

parcheck

Test permutations of concurrent scenarios

rayon-scan

A parallel prefix scan function for ParallelIterator

synchronized

Convenient and simple macro for code synchronization in multithreading

simple-semaphore

🔐 A lightweight implementation of a Semaphore in Rust

pacwrap-agent

Executable agent for conducting containerized transactions

with_daemon

An async client-daemon abstraction framework

threadcell

A cell whose value can only be accessed by a owning thread

leaklist

concurrent, lock-free, singly-linked list

mea

A runtime-agnostic library providing essential synchronization primitives for asynchronous Rust programming

operational-transform

Operational Transformation

par

Session types, as an implementation of linear logic with MIX

topograph

A miniscule thread pool and toposort scheduler

stuck

Multi-threading scheduled task facility building on cooperative stackful coroutine

fibers

execute a number of lightweight asynchronous tasks (a.k.a, fibers) based on futures and mio

hylarana-common

A cross-platform screen casting library implemented by Rust

bztree

BzTree implementation for Rust

ballista-executor

Ballista Distributed Compute - Executor

circ

Efficient referenced counted pointers for non-blocking concurrency

atomicbox

Safe atomic pointers to boxed data

irondash_run_loop

Consistent, platform-independent interface to system run loop

crossbeam-skiplist-pr1132

A concurrent skip list

pi_share

rc, arc, lock, atomic

slacktor

extremely fast, bare-bones, low-overhead, supervisorless, no-std actor library

left-right-cell

A cell with lock-free concurrent read access

mogul

Agnosticly helps to manage concurrent versions of things

chute

Lockfree mpmc/spmc broadcast queue

sharded_queue

ShardedQueue is currently the fastest concurrent collection which can be used under highest concurrency and load

tracing-mutex

Ensure deadlock-free mutexes by allocating in order, or else