junction
growt
| junction | growt | |
|---|---|---|
| 1 | 2 | |
| 1,365 | 98 | |
| - | - | |
| 0.0 | 2.7 | |
| over 3 years ago | about 1 year ago | |
| C++ | C++ | |
| GNU General Public License v3.0 or later | GNU General Public License v3.0 or later |
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junction
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Experiences with Concurrent Hash Map Libraries
junction has a very impressive performance benchmark here. Initially it worked for my application, but I ran into some issues: Only raw pointers are supported as either keys or values. This means I am responsible for memory management and it was a pain. junction's required dependency "turf" causes linker errors when compiling with -fsanitize=address because there are symbol name collisions. Every thread that accesses the hash map must periodically call an update function or memory will be leaked. No commits in over three years, GitHub issues aren't getting any attention. The author said it's experimental and he doesn't want it to become more popular
growt
- Advancing the state of the art for std:unordered_map implementations
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Experiences with Concurrent Hash Map Libraries
growt shows impressive benchmark results in this paper compared to folly, TBB, junction, and libcuckoo. However, it was not in good shape to be used as a production dependency. I had several issues and compilation errors here, here, and here.
What are some alternatives?
moodycamel - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
parallel-hashmap - A family of header-only, very fast and memory-friendly hashmap and btree containers.
libcds - A C++ library of Concurrent Data Structures
Folly - An open-source C++ library developed and used at Facebook.
HPX - The C++ Standard Library for Parallelism and Concurrency
FASTER - Fast persistent recoverable log and key-value store + cache, in C# and C++.
Thrust - [ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl
moderngpu - Patterns and behaviors for GPU computing
alpaka - The project alpaka has moved to https://github.com/alpaka-group/alpaka
VexCL - VexCL is a C++ vector expression template library for OpenCL/CUDA/OpenMP
Bolt - Bolt is a C++ template library optimized for GPUs. Bolt provides high-performance library implementations for common algorithms such as scan, reduce, transform, and sort.