snmalloc
jemallocator
| snmalloc | jemallocator | |
|---|---|---|
| 9 | 3 | |
| 1,584 | 400 | |
| 0.7% | - | |
| 7.2 | 0.0 | |
| 5 days ago | almost 3 years ago | |
| C++ | Rust | |
| MIT License | Apache License 2.0 |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
snmalloc
- Hardening Snmalloc
-
Snmalloc: A Message Passing Allocator
https://github.com/microsoft/snmalloc#snmalloc mentions two biggest motivations as:
> Allocations on one thread are freed by a different thread
I can imagine one use-case for this: a task that is scheduled from and executed by a work-stealing thread-pool can allocate memory in one thread but by design there's no guarantee that the memory will be necessarily freed from that exact thread. Would that be a good use-case for snmalloc?
> Deallocations occur in large batches
This sounds much like a bump allocator use-case but which can do this exact thing by calling a single munmap(addr, len) and unmap multiple allocations all at once.
-
Is the JVM a upside or downside to Scala?
Yes, it's very efficient and that's not where the main problem lies. However, small allocations with modern C heap allocators like mimalloc or snmalloc has gotten extremely efficient as well. Would be interesting to see a benchmark comparison with Java's G1 and ZGC.
- Snmalloc 0.6 released, major redesign with security hardening
- Snmalloc: High-performance message passing based allocator
-
Maintenance status (jemallocator)
Did you ever benchmark against https://github.com/microsoft/snmalloc ?
jemallocator
- Bump Allocation: Up or Down?
- Maintenance status (jemallocator)
-
Ask HN: Running production server on M1 mini?
The easiest fix would probably be to try to switch out your global allocator for something like https://github.com/gnzlbg/jemallocator and see if that doesn't give you a nice performance boost.
What are some alternatives?
mimalloc - mimalloc is a compact general purpose allocator with excellent performance.
jemallocator - Rust allocator using jemalloc as a backend
mimalloc_rust - A Rust wrapper over Microsoft's MiMalloc memory allocator
o1heap - Constant-complexity deterministic memory allocator (heap) for hard real-time high-integrity embedded systems. There is very little activity because the project is finished and does not require further changes.
rust - Empowering everyone to build reliable and efficient software.
rpmalloc - Public domain cross platform lock free thread caching 16-byte aligned memory allocator implemented in C
tcmalloc-rs - A drop-in GlobalAlloc implementation using tcmalloc from gperftools.
Mesh - A memory allocator that automatically reduces the memory footprint of C/C++ applications.
memory - STL compatible C++ memory allocator library using a new RawAllocator concept that is similar to an Allocator but easier to use and write.