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

crossbeam

Tools for concurrent programming

flume

A blazingly fast multi-producer channel

async-lock

Async synchronization primitives

async-channel

Async multi-producer multi-consumer channel

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

jobserver

GNU Make jobserver for Rust

triomphe

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

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

threadpool

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

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

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

sync_wrapper

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

corosensei

A fast and safe implementation of stackful coroutines

state

safe and effortless global and thread-local state management

stateright

A model checker for implementing distributed systems

lockfree-object-pool

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

mpi

Message Passing Interface bindings for Rust

thingbuf

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

leaky-bucket

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

sled

Lightweight high-performance pure-rust transactional embedded database

rtrb

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

atomic_float

Floating point types which can be safely shared between threads

futures-channel

Channels for asynchronous communication using futures-rs

diatomic-waker

An async, lock-free synchronization primitive for task wakeup

archery

Abstract over the atomicity of reference-counting pointers

radium

Portable interfaces for maybe-atomic types

loom

Permutation testing for concurrent code

atomic_refcell

Threadsafe RefCell

try-lock

A lightweight atomic lock

scheduled-thread-pool

A scheduled thread pool

ratelimit

ratelimiter that can be shared between threads

throttle-server

Provide semaphores for distributed systems via an http interface

shuttle

testing concurrent Rust code

async-condvar-fair

Condition variables for async Rust

jobslot

GNU make jobserver for Rust

may

Rust Stackful Coroutine Library

futures-intrusive

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

bus

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

triple_buffer

triple buffering, useful for sharing frequently updated data between threads

automerge

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

flurry

Rust port of Java's ConcurrentHashMap

waker-fn

Convert closures into wakers

wasm_thread

An std thread replacement for wasm32 target

concurrent-queue

Concurrent multi-producer multi-consumer queue

concurrent-map

a lock-free linearizable B+ tree

mpstthree

implementing Multiparty Session Types for 2 or more participants

tachyonix

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

parallel-sh

Execute commands in parallel

atomic

Generic Atomic<T> wrapper type

orx-concurrent-vec

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

graph

high-performant graph algorithms

inline-array

efficient immutable inlinable byte array

sea-streamer

🌊 The stream processing toolkit for Rust

yaque

disk-backed persistent queue for Rust

typedmap

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

disruptor

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

workerpool

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

memo-map

implementing a synchronized map for memoization

mco

Rust Coroutine Library like go

seize

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

lockable

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

idr-ebr

An efficient concurrent ID to object resolver

resman

Runtime managed resource borrowing

trauma

Simplify and prettify HTTP downloads

samsa

Rust-native Kafka/Redpanda protocol and client implementation

gix-lock

A git-style lock-file implementation

atomig

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

sdd

Scalable lock-free delayed memory reclaimer

fdup

find duplicate files recursively and in parallel

parking

Thread parking and unparking

sync_file

Files that can be read concurrently

maitake-sync

No-std async synchronization primitives from Maitake

uid

creation of unique IDs

paralight

A lightweight parallelism library for indexed structures

guardian

owned mutex guards for refcounted mutexes

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

runnel

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

messaging_thread_pool

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

recloser

A concurrent circuit breaker implemented with ring buffers

loole

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

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

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…

kanal

The fast sync and async channel that Rust deserves

no_deadlocks

A Runtime Deadlock Debugger

indicatif-log-bridge

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

atomic-time

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

rcu_cell

a lockless rcu cell implementation

shred

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

gst-plugin-threadshare

GStreamer Threadshare Plugin

safe-lock

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

rearch

Re-imagined approach to application design and architecture

io-reactor

Concurrent I/O resource management using reactor pattern

rustc-rayon

work-stealing parallelism for Rust - fork for rustc

gabriel2

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

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…

rustix-futex-sync

Linux futex-based synchronization

append-only-vec

Append-only, concurrent vector

sharded_mutex

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

rtsc

Real-time Synchronization Components

oqueue

Non-interleaving multithreaded output queue

st3

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

ringbuffer-spsc

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

callysto

Stream processing framework

signals_receipts

exfiltration of the receipt of POSIX signals

skedge

Ergonomic single-process job scheduling for Rust programs

boxcar

A concurrent, append-only vector

nbio

Non-Blocking I/O

watchable

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

thingvellir

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

paradis

Parallel processing with disjoint indices

atom

A safe abstraction around AtomicPtr

mcslock

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

tonari-actor

A minimalist actor framework aiming for high performance and simplicity

aarc

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

swap-buffer-queue

A buffering MPSC queue

async_once

async once tool for lazy_static

myriam

Actor model implementation for local and remote actors

pumps

Eager streams for Rust

svix-ksuid

A pure Rust and fully tested KSUID implementation

orx-concurrent-iter

A thread-safe and ergonomic concurrent iterator trait and efficient lock-free implementations

fault-injection

fault injection, concurrency delay injection, and error source annotation

rc_event_queue

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

minstant

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

session_log

session log library for Rust

bindgen_cuda

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

pandora-interpreter

A command-line tool to run pandora language

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

pueue

A cli tool for managing long running shell commands

atom_box

A safe idiomatic Rust implementation of Atomic Box using hazard pointers

open-coroutine

efficient and generic stackful-coroutine library

atomptr

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

tsuki-scheduler

light wight, composable and extensible scheduler for every runtime

rclite

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

mutringbuf

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

gettid

Helper to get an integer ID for the current thread

namaste

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

rs-store

Redux Store for Rust

picokafka

Kafka library for tarantool-module based on librdkafka

batch-aint-one

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

concurrent_arena

u32 concurrent insertion/removal arena that returns ArenaArc

async-skipdb

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

cfavml

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

actify

An intutive actor model with minimal boilerplate

command_history

managing command history in Rust applications

crossbeam-queue

Concurrent queues

urcu2

Safe API to liburcu

mintex

minimal mutex

dispatch

Rust wrapper for Apple's Grand Central Dispatch

readlock

A weird alternative to Arc<RwLock<T>>

lever

Pillars for Transactional Systems and Data Grids

cargo-steady-state

Code generator for steady_state projects based on a structured dot file

spinning_top

spinlock crate based on the abstractions provided by lock_api

async-local

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

pi_arr

lock-free & auto-expansion array

timeslice

periodic time slice scheduler

omango

Concurrency collections

portable_atomic_enum

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

atomic-take

Atomically take a value out of a container once

choir

Task Orchestration Framework

whisk

fast lockless async channels

bcast

Low latency broadcast (SPMC) buffer designed to work with shared memory

rayon-cond

Experimental iterator wrapper that is conditionally parallel or serial

utils-atomics

Various atomic utils

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

tokio-cadence

Tokio-based metric sinks for Cadence

crossfire

channels for async and threads

atomic-shim

Atomic types for unsupported platforms

jod-thread

std::thread which joins on drop by default

rose_bloom

A concurrent growing element size linked list with stable pointers

desync

A hassle-free data type for asynchronous programming

yazi-scheduler

Yazi task scheduler

elysees

A fork of triomphe, now with more pointer trickery

electrologica

High performance concurrent primitives for Rust

rcron

cron job scheduling for rust

slog-atomic

Atomic run-time controllable drain for slog-rs

sids

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

orx-parallel

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

threadbound

Make any value Sync but only available on its original thread

rw-cell

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

pariter

Parallel iterator processing

protoflow

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

reactivate

Thread Safe Reactive Data Structure. Made with ❤️ for 🦀

multipool

A configurable thread pool with optional work-stealing support and task priority scheduling

may_actor

Actor library based on MAY

amity

Concurrency algorithms

synchronoise

Synchronization primitives that build upon the standard library

every

Run a command every N seconds

iterator_ilp

Iterator extensions for instruction-parallel reductions

supply-chain-trust-example-crate-000025

More compact and efficient implementations of the standard synchronization primitives

melodium

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

someday

Lock-free MVCC primitive

salsa

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

reord

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

p3-maybe-rayon

Feature-gated wrapper around rayon

television-utils

The revolution will be televised

tc-scalar

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

invocation-counter

Datastructure to answer to: how many times a function has been called in the last X minutes?

moga

A multi-objective genetic algorithm framework

skedgy

asynchronous job scheduler

file-per-thread-logger

A logging implementation that writes logs in one file per thread

egui_inbox

send messages to egui views from async functions, callbacks, etc. without having to use interior mutability.

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…

async-event

An efficient async condition variable for lock-free algorithms

crossbeam-utils

concurrent programming

arccstr

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

sovran-state

state management for Rust

atomic_enum

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

sprinter

Run parallel queued tasks

semka

Semaphore implementation

atomic-wait

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

cachemap2

A concurrent insert-only hashmap for caching values

txn_lock

support transactional versioning

lock-free-static

Lock-free static variables

crossbeam-skiplist-mvcc

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

rucron

Job Scheduling Crate

onering

High throughput synchronous queue

happylock

Free deadlock prevention

fluxion

actor framework written in rust and designed for distributed systems

tasklet

An asynchronous task scheduling library

benjamin_batchly

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

sovran-arc

Memory management swift-isms brought to Rust

balter

A load/stress testing framework

async-stm

Asynchronous Software Transactional Memory

channel

Rust advanced queue library

hzrd

Shared mutability containers based on hazard pointers

tatl

in-process alerting

liner_broker

Redis based message serverless broker

win-kernel

windows-kernel

node-replication

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

lockfree

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

rusturnate

A sync or async mutex, with or without timeouts

shipyard_scenegraph

Scenegraph for Entity Component System

anchor-chain

A statically typed async framework for building LLM-based applications

mpsc_requests

mpsc channels but with a response

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

evtcall

Rust Event Driven Framework

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.

papaya

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

congestion-limiter

Dynamic congestion-based concurrency limits for controlling backpressure

armc

that facilitates Mutex access to variables

init-once

Concurrent, non-blocking lazy initialization of values

pi_atom

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

atomic-destructor

Atomic destructor for multi-threaded env

disruptor-rs

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

mpsc

mpsc channel

crossbeam-channel

Multi-producer multi-consumer channels for message passing

sharded-thread

Expirement for now

roboplc

Framework for PLCs and real-time micro-services

tokio-prometheus-metered-channel

Metered tokio channels with Prometheus metrics integration

chili

low-overhead parallelization library

maybe-rayon

Either acts as rayon or creates a single-threaded facade

easy-threadpool

A relatively simple thread pool which you can send jobs to

sync-cell-slice

Cells and slices that are accessible from multiple threads

active_standby

A concurrency primitive for high concurrency reads

thread-manager

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

redlock

distributed locking mechanism built on top of Redis

parallel_operations

perform binary operations in parallel using threads

atomic_once_cell

Thread-safe and lock-free OnceCell and Lazy

local-sync

Non-threadsafe data structure for async usage

kueue

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

rearch-effects

Re-imagined approach to application design and architecture

atomic-interval

A tiny implementation of an atomic timer

rayon-progress-bar

work-stealing parallelism for Rust

freezebox

deref'able lazy-initialized container

resilience-rs

Resilience patterns in Rust

atomic-file-install

For atomically installing a file or a symlink

parallel-processor

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

kube-leader-election

Leader election implementations for Kubernetes workloads

ebr

epoch-based reclamation with low cacheline ping-pong

turbo-metrics

Toolkit to compute quality metrics fast using a GPU

async-fifo

MPMC & oneshot channels with (a)sync API

ptr_cell

Thread-safe cell based on atomic pointers

amadeus

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

lock_api

Wrappers to create fully-featured Mutex and RwLock types. Compatible with no_std.

nexus-actor-utils-rs

Nexus Actor

treiber_stack

A lockless, thread-safe, atomic linked-list

lock_ext

Extensions to std::sync::Mutex

tracing-mutex

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

mpvipc

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

async-atomic

Atomics which can be subscribed to and asynchronously notify when updated

batch-processing

A batch library for processing a list of items in parallel

tlrepo

Thread-local git2::Repository, shareable across threads

keepcalm

shared types for multi-threaded programs

split_channel

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

rtic-syntax

The Real-Time Interrupt-driven Concurrency (RTIC) meta language

rust-lockless-slotmap

A (mostly) lockless slotmap implementation in Rust

pubserve

generic observer trait

antidote

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

sluice

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

fasb

faceted answer set browser

pausable_clock

A source of time information that can be paused and resumed

permit

A struct for cancelling operations

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

folklore

A lock-free concurrent hash map

spools

Content scraping library for Instagram's Threads

concurrent-slotmap

A lock-free concurrent slotmap

thread_local_collect

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

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

par

Session types, as an implementation of linear logic with MIX

amfiteatr_classic

some classic game theory problems to research on

asc

Atomic Strong Count

k-lock

A fast mutex for short critical sections

atomic-maybe-uninit

Atomic operations on potentially uninitialized integers

oxidd-rules-mtbdd

Multi-terminal decision diagrams (MTBDDs) for OxiDD

crossbeam-skiplist-pr1132

A concurrent skip list

circ

Efficient referenced counted pointers for non-blocking concurrency

synchronized

Convenient and simple macro for code synchronization in multithreading

tokio-cron

cron scheduler for tokio

atomicell

Multi-threaded RefCell on atomics

throttle-client

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

multithreading

in Rust

clhlock

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

employees

A small runtime that hides all the boilerplate when using threads

simple-semaphore

🔐 A lightweight implementation of a Semaphore in Rust

pacwrap-agent

Executable agent for conducting containerized transactions

EMCompute

fast , simple and cross-platform parallel computing library

operational-transform

Operational Transformation

windows-key-listener

Listen to arbitrary key chords on Windows

mpmc-async

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

with_daemon

An async client-daemon abstraction framework

yash-executor

single-threaded concurrent task executor

fibers

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

atomicbox

Safe atomic pointers to boxed data

restd

A re-implementation of various std features

parcheck

Test permutations of concurrent scenarios

arena64

A concurrent arena providing mutually exclusive access over guarded indexes

mongo-lock-async

Distributed mutex locks with MongoDB

pargraph

Operator based parallel graph processing

command-executor

Command Executor thread pool

mvsync

A standalone async and worker thread library, with expandable traits and command buffers

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.

evident

Pub/Sub library using IDs to identify events

dag-scheduler

a scheduler of dag computation graph

ballista-executor

Ballista Distributed Compute - Executor

rcu_list

a lockless concurrent list implementation