https://crates.io/crates/crossbeam
The Rust crossbeam crate provides low-level primitives for concurrent programming, such as locks, channels, and memory fences. These primitives are useful when fine-grained synchronization is required, or when working with non-standard concurrency patterns.
The crossbeam crate makes concurrent programming easier by providing:
-
Atomic types: such as
AtomicBool
,AtomicI32
, andAtomicUsize
, which can be used to perform atomic operations on shared variables without the need for locks. This allows for efficient and safe concurrent access to shared data. -
Locks: such as
Mutex
,RwLock
, andSemaphore
, which can be used to protect shared resources from concurrent access. These locks are highly efficient and can be used in both single-threaded and multi-threaded contexts. -
Channels: such as
unbounded()
,bounded()
, andselect()
, which can be used to communicate between threads. These channels are highly efficient and can be used to implement many common concurrency patterns, such as producer-consumer and pipeline processing. -
Memory fences: such as
atomic::fence()
, which can be used to enforce ordering constraints on memory accesses. This is useful when working with non-standard concurrency patterns or when fine-grained synchronization is required.
Overall, the crossbeam crate provides a powerful set of low-level primitives for concurrent programming in Rust, allowing developers to build complex and efficient concurrent applications with ease.