madsim
Vale
madsim | Vale | |
---|---|---|
5 | 64 | |
586 | 1,677 | |
1.9% | 1.9% | |
7.5 | 6.8 | |
12 days ago | about 2 months ago | |
Rust | Scala | |
Apache License 2.0 | Apache License 2.0 |
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madsim
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On Implementation of Distributed Protocols
Being able to control nondeterminism is particularly useful for testing and debugging. This allows creating reproducible test environments, as well as discrete-event simulation for faster-than-real-time simulation of time delays. For example, Cardano uses a simulation environment for the IO monad that closely follows core Haskell packages; Sui has a simulator based on madsim that provides an API-compatible replacement for the Tokio runtime and intercepts various POSIX API calls in order to enforce determinism. Both allow running the same code in production as in the simulator for testing.
- Is Something Bugging You?
- Madsim: Magical Deterministic Simulator for distributed systems in Rust
- madsim: Magical Deterministic Simulator for distributed systems in Rust
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Announcing Turmoil, a framework for testing distributed systems
How Turmoil different from madsim? Is Turmoil a successor of madsim?
Vale
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Vala Programming Language
Not to be confused with Vale[0].
[0] https://vale.dev/
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Is Something Bugging You?
The article says they created a deterministic hypervisor that runs all pseudorandom behavior from a starting seed to enable perfect re-playability.
But that's all we know so far. I'm assuming there'll be some sort of fuzz testing, and static analysis or some defining actions that your software can perform.
Honestly it sounds a lot like it has a lot of crossover with what the Vale language is trying to solve: https://vale.dev/, but focused on trying to get existing software to that state instead of creating a new language to make new software already be at that state by default.
- Odin Programming Language
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D Programming Language
Why go through all the trouble when you can do this: https://www.hylo-lang.org/ and not spend a second thinking of lifetimes? No, copies will not be issued unless necessary.
Or why not keep exploring this idea as well? More research-oriented than the first one right now, though, so take it with a grain of salt: https://vale.dev/
- The Vale Programming Language
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Flawless – Durable execution engine for Rust
Another relevant language might be Vale (https://vale.dev), which is aiming for "perfect replayability": https://verdagon.dev/blog/perfect-replayability-prototyped
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Two Stories for "What Is CHERI?"
Interesting. Very low level though and C(++) centric. She there any thoughts on combining the hardware and OS features with rust or https://vale.dev ?
- Berry is a ultra-lightweight dynamically typed embedded scripting language
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I've heard that "Rust's borrow checker is necessary to ensure memory safety without a GC" usually also implying it's the only way, but I've done the same without the borrow checker. Am I just clueless/confused?
Use a runtime memory management solution that's cheaper than garbage collection (see Vale)
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Vale.sh – A Linter for Prose
This seems like a tool I'll be using, and this is an almost meaningless criticism, but why the name?
There's already the Vale programming language (https://vale.dev/), but moreover, I don't get the meaning of "vale". You could call it something like Englint which actually hints its purpose.
What are some alternatives?
Hyperspeedcube - Modern, beginner-friendly 3D and 4D Rubik's cube simulator
v - Simple, fast, safe, compiled language for developing maintainable software. Compiles itself in <1s with zero library dependencies. Supports automatic C => V translation. https://vlang.io
snmp-sim-rust - SNMP Simulator (Rust)
Odin - Odin Programming Language
mainspring - A CPU simulator framework built around, and to support the other tools under, the constraints of the first principles of computing project.
Beef - Beef Programming Language
TX-2-simulator - Simulator for the pioneering TX-2 computer
awesome-low-level-programming-languages - A curated list of low level programming languages (i.e. suitable for OS and game programming)
oxidizy - Life, in its smallest form.
carbon-lang - Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
name-needed - 🕹 A one man effort to produce an intuitive and high performance Dwarf Fortress-esque game. Needs a name.
awesome-programming-languages - The list of an awesome programming languages that you might be interested in