minivm
asmjit
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| minivm | asmjit | |
|---|---|---|
| 13 | 9 | |
| 1,554 | 3,801 | |
| 0.4% | 1.7% | |
| 8.9 | 8.2 | |
| 6 days ago | about 1 month ago | |
| C | C++ | |
| MIT License | zlib 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.
minivm
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Show HN: I wrote a WebAssembly Interpreter and Toolkit in C
> I developed a unique way to write interpreters based on threaded code jumps and basic block versioning when I made MiniVM (https://github.com/FastVM/minivm). It was both larger and more dynamic than WebAssembly.
I'd be very interested to read more about this. It looks like you are using "one big function" with computed goto (https://github.com/FastVM/Web49/blob/main/src/interp/interp....). My experience working on this problem led me to the same conclusion as Mike Pall, which is that compilers do not do well with this pattern (particularly when it comes to register allocation): http://lua-users.org/lists/lua-l/2011-02/msg00742.html
I'm curious how you worked around the problem of poor register allocation in the compiler. I've come to the conclusion that tail calls are the best solution to this problem: https://blog.reverberate.org/2021/04/21/musttail-efficient-i...
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Ask HN: Recommendation for general purpose JIT compiler
Maybe take a look at MiniVM[0]? It was on HN a couple months ago[1].
[0]: https://github.com/fastvm/minivm
- MiniVM: “Minivm Port to Dlang”
- MiniVM: A zero-dependency cross-language runtime on par with LuaJIT and C
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Hacker News top posts: Jan 8, 2022
MiniVM: A zero-dependency cross-language runtime on par with LuaJIT and C\ (19 comments)
- MiniVM: A minimal cross-language runtime that beats C/luajit on some benchmarks
asmjit
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The 6502 instruction set as a database
Some other instruction sets in some JSON: https://github.com/asmjit/asmjit/tree/master/db
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30 years of DOOM: new code, new bugs
The attentive reader may notice that this code is from a third-party library. So, we didn't want to include it in the article at first. However, we found something interesting. In 2017, somebody opened an issue in the asmjit project: the GCC 7.2 compiler issued a warning to the code above. The project authors fixed it:
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How do I get the registers of a process in C++?
You can use something like https://asmjit.com/ to generate and call x64 code at runtime.
- Ask HN: Recommendation for general purpose JIT compiler
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Compiler Design in C++
But an easy to create a JIT would be to use https://github.com/asmjit/asmjit, which is used in RPCS3.
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Are there any low level, cross platform assembly languages that allow jumping to non labels?
You could go the way of https://asmjit.com (or forth) and make it your assembler DSL on top of the low-level call.
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C++ libraries for filtering collections and expression trees
But if you're willing to get closer to the hardware is https://github.com/bitfunnel/nativejit/ and https://asmjit.com/
- AsmJit
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Wrapping dynamically generated void(*)() pointers in try-catch?
https://github.com/asmjit/asmjit is nice. But using a JIT seems like a sledgehammer working around a lacking design.
What are some alternatives?
privacytests.org - Source code for privacytests.org. Includes browser testing code and site rendering.
fasmg - flat assembler g - adaptable assembly engine
sljit - Platform independent low-level JIT compiler
mir - A lightweight JIT compiler based on MIR (Medium Internal Representation) and C11 JIT compiler and interpreter based on MIR
LuaJIT - Mirror of the LuaJIT git repository
oneDNN - oneAPI Deep Neural Network Library (oneDNN)
paka - Paka language
mlibc - Portable C standard library
wasm3 - 🚀 A fast WebAssembly interpreter and the most universal WASM runtime
dynarmic - An ARM dynamic recompiler.
qbe-rs - QBE IR in natural Rust data structures
Cwerg - The best C-like language that can be implemented in 10kLOC.