junction
FASTER
junction | FASTER | |
---|---|---|
1 | 8 | |
1,365 | 6,205 | |
- | 1.5% | |
0.0 | 6.9 | |
over 3 years ago | 16 days ago | |
C++ | C# | |
GNU General Public License v3.0 or later | MIT License |
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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.
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
FASTER
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A MySQL compatible database engine written in pure Go
You would be surprised by performance of modern .NET :)
Writing no-alloc is oftentimes done by reducing complexity and not doing "stupid" tricks that actually work against JIT and CoreLib features.
For databases specifically, .NET is actually positioned very well with its low-level features (intrisics incl. SIMD, FFI, struct generics though not entirely low-level) and high-throughput GC.
Interesting example of this applied in practice is Garnet[0]/FASTER[1]. Keep in mind that its codebase still consist of un-idiomatic C# and you can do way better by further simplification, but it already does the job well enough.
[0] https://github.com/microsoft/garnet
[1] https://github.com/microsoft/FASTER
- FLaNK Stack 26 February 2024
- Fast persistent recoverable log and key-value store
- GitHub - microsoft/FASTER: Fast persistent recoverable log and key-value store + cache, in C# and C++.
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FoundationDB: A Distributed Unbundled Transactional Key Value Store
A vaguely similar project that might be of interest is: https://github.com/microsoft/FASTER
It's also an "unbundled" low-level component that one could use as the foundation for a database engine or whatever. According to Microsoft, FASTER is not just "fast", but significantly faster than even some basic in-memory data structures that ship in the .NET standard library!
The downside is that it doesn't (yet) support some more advanced features like multi-server distributed mode.
However, that relative simplicity may be preferred in some scenarios...
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Event Sourcing
Last time i looked into it there weren't that many i could find. There is https://github.com/tikv/tikv which uses rocksdb with raft. and there is faster https://github.com/microsoft/FASTER/ .
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Experiences with Concurrent Hash Map Libraries
you could use fasterkv https://github.com/microsoft/FASTER
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Faster A fast concurrent persistent key-value store and log, in C# and C++
FTA, https://github.com/Microsoft/FASTER/wiki/Performance-of-FAST...
What are some alternatives?
moodycamel - A fast multi-producer, multi-consumer lock-free concurrent queue for C++11
libcuckoo - A high-performance, concurrent hash table
libcds - A C++ library of Concurrent Data Structures
parallel-hashmap - A family of header-only, very fast and memory-friendly hashmap and btree containers.
HPX - The C++ Standard Library for Parallelism and Concurrency
foundationdb - FoundationDB - the open source, distributed, transactional key-value store
plumber - A swiss army knife CLI tool for interacting with Kafka, RabbitMQ and other messaging systems.
Thrust - [ARCHIVED] The C++ parallel algorithms library. See https://github.com/NVIDIA/cccl
tikv - Distributed transactional key-value database, originally created to complement TiDB
moderngpu - Patterns and behaviors for GPU computing
Folly - An open-source C++ library developed and used at Facebook.