snmalloc
A high-performance message-passing memory allocator designed for scalable multithreaded applications.
What is snmalloc?
snmalloc is a high-performance memory allocator designed for modern multithreaded applications. It uses a novel message-passing scheme to efficiently handle memory deallocations across threads, solving performance bottlenecks that occur when allocations are freed by different threads or in large batches.
System programmers and developers building high-performance multithreaded applications in C++ or Rust who need scalable memory allocation with minimal contention.
Developers choose snmalloc for its exceptional scalability across thousands of cores, lock-free remote deallocation via message passing, and optimized fast paths that outperform traditional allocators in challenging multithreaded scenarios.
Overview
Message passing based allocator
Use Cases
Best For
- Multithreaded applications with frequent cross-thread memory deallocations
- High-performance computing workloads requiring scalable memory allocation
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