cargo-flamegraph
dashmap
| cargo-flamegraph | dashmap | |
|---|---|---|
| 3 | 12 | |
| 32 | 2,726 | |
| - | - | |
| 0.0 | 5.5 | |
| almost 5 years ago | 8 days ago | |
| Rust | Rust | |
| Apache License 2.0 | MIT License |
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.
cargo-flamegraph
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Rust profiling
I'd suggest cargo flamegraph https://github.com/killercup/cargo-flamegraph
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Hey Rustaceans! Got an easy question? Ask here (16/2021)!
Check out cargo flamegraph.
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Help: My Rocket server is very vulnerable to denial of service attacks
cargo-flamegraph is a very simple and portable tool to understand where the time is spent in your application. If you want more detailed info, try this: perf record -g --call-graph=dwarf /path/to/your/application and then load it into Firefox Profiler. That's the best profiling UI available.
dashmap
- StupidAlloc: what if memory allocation was bad actually
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dashmap VS scalable-concurrent-containers - a user suggested alternative
2 projects | 13 Apr 2023
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Samsara, a safe Rust concurrent cycle collector
The problem is, every single one of these half-dozen crates has at least one known major issue (including UAF), exactly like C++ implementations (which isn't surprising since it's the kind of things where the ownership isn't clear and then the borrow checker can't help us).
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Rust vs Go
Deadlocks and leaks are easy as other languages.
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Shared mutable state is bad... so how do I create a global cache in a multi-threaded app?
Have you considered https://github.com/xacrimon/dashmap ?
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Announcing Leapfrog, a faster concurrent HashMap
Dashmap made some api changes compared to the stdlibs hashmap, which leads to some oddities, as highlighted here: https://github.com/xacrimon/dashmap/issues/175
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Writing a concurrent LRU cache
Some additional notes are in this slide deck and the implementation javadoc. You'd probably want to use something like DashMap for the hash table.
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HashMap-based cache for async programs
You can look at existing concurrent maps like Dashmap https://github.com/xacrimon/dashmap or Cashmap https://gitlab.redox-os.org/redox-os/chashmap
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How does one avoid lock of locks? or use the technique of latch crabbing of databases
Also dashmap
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Noteworthy concurrent data structures?
The only one I've used is Dashmap, it's a concurrent interior-mutability hashmap. Very convenient crate in the case you need that.
What are some alternatives?
flamegraph - Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3
hashbrown - Rust port of Google's SwissTable hash map
hotspot - The Linux perf GUI for performance analysis.
moka - A high performance concurrent caching library for Rust
toml-rs - A TOML encoding/decoding library for Rust
HashMap - An open addressing linear probing hash table, tuned for delete heavy workloads
html-proofer - Test your rendered HTML files to make sure they're accurate.
crossbeam - Tools for concurrent programming in Rust
rust-analyzer - A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer]
leapfrog - Lock-free concurrent and single-threaded hash map implementations using Leapfrog probing. Currently the highest performance concurrent HashMap in Rust for certain use cases.
rust-analyzer - A Rust compiler front-end for IDEs
megahash - A super-fast C++ hash table with Node.js wrapper, tested up to 1 billion keys.