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LuaJIT Alternatives
Similar projects and alternatives to LuaJIT
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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llvm-project
The LLVM Project is a collection of modular and reusable compiler and toolchain technologies.
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Lua
Lua is a powerful, efficient, lightweight, embeddable scripting language. It supports procedural programming, object-oriented programming, functional programming, data-driven programming, and data description.
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terra
Terra is a low-level system programming language that is embedded in and meta-programmed by the Lua programming language.
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CodeRabbit
CodeRabbit: AI Code Reviews for Developers. Revolutionize your code reviews with AI. CodeRabbit offers PR summaries, code walkthroughs, 1-click suggestions, and AST-based analysis. Boost productivity and code quality across all major languages with each PR.
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nelua-lang
Minimal, efficient, statically-typed and meta-programmable systems programming language heavily inspired by Lua, which compiles to C and native code.
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Wren
The Wren Programming Language. Wren is a small, fast, class-based concurrent scripting language.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better LuaJIT alternative or higher similarity.
LuaJIT discussion
LuaJIT reviews and mentions
Posts with mentions or reviews of LuaJIT.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-02-24.
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My Favorite C++ Pattern: X Macros
I've learned about them, staring endlessly at the luajit source code - for example (not the best example I can remember, but still) - https://github.com/LuaJIT/LuaJIT/blob/v2.1/src/lj_lex.h#L15
there it defines a TOKEN(_,__) macro generator the luajit token/keywords and later generates enums with them.
I've used it recently to wrap a "C" api with lots of functions, such that I can redirect calls.
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Writing a DSL in Lua (2015)
> This is strictly about how much memory LuaJIT can address on that platform
No it is not.
https://github.com/LuaJIT/LuaJIT/issues/285#issuecomment-197...
> If your workload fits inside 2 GiB (IIRC) it will be fast.
This has nothing to do with the issue being mentioned here.
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Kickstart insight needed: A new retrofitted C dialect?
I love this idea so much.
I got stuck at how to tackle "new language doesn't compile with a standard C compiler" for many times, but my solution is much worse than yours: Like LuaJIT, they left one unreadable "minilua" C file [1] to bootstrap some stuff, we could have a source-code version of the "new C" compiler, compile things twice. That sounds bad.
For languages with a very advanced type system that compiles to C, I could only think of Koka [2], which translates the "algebraic effect and handlers" code into pure C, achieving pure C generators, coroutines and async/await without the support of setjmp/setcontext. But the generated C code is unreadable, I would definitely think about how to handle the readability and debugging issue with sidecar files.
[1]: https://github.com/LuaJIT/LuaJIT/blob/v2.1/src/host/minilua....
[2]: https://koka-lang.github.io/koka/doc/book.html
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Show HN: FixBrowser – a lightweight web browser created from scratch
Python may not be the best example, but some other languages also exist and are both less "weird" than https://github.com/denysdovhan/wtfjs and fast (e.g. see http://luajit.org/ which is far less complex than V8).
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A Walk with LuaJIT
You're probably referring to what he wrote here [1]:
> Is the sponsor prepared to sponsor the initial review and integration into the LuaJIT default code base by me?
> Is the sponsor prepared to sponsor the inevitable initial bug fixes and the extra effort for continued maintenance that a new architecture entails?
Also, I should have be clearer about the new GC I linked to: I have not seen Mike say anything about it, and I wouldn't be surprised in the least if he rejects it and writes his own, because he had his own plan for one. It seems super difficult to get anything past him.
[1] https://github.com/LuaJIT/LuaJIT/issues/628#issuecomment-716...
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Valve is testing ARM64 support for popular games
Indeed, LuaJIT support for Windows/Arm64 was added in https://github.com/LuaJIT/LuaJIT/issues/593, and there’s experimental out-of-tree support for Windows/Arm64EC in https://github.com/LuaJIT/LuaJIT/issues/1096
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LuaJIT PR: Add Support for RISC-V 64
The issue linked in the sibling comment is the main one, but for a specific example them having reservations about a feature in more recent version, there's this:
https://github.com/LuaJIT/LuaJIT/issues/1013#issuecomment-16...
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Twenty Years of Valgrind
> are suppression files ever actually used due to an actual false positive,
There used to be one in LuaJIT because it had an optimized string comparison that compared outside of the allocation (which is allowed by the OS as long as you don't cross a page boundary, which LuaJIT's allocation algorithm made sure it never did)
The suppression was removed in https://github.com/LuaJIT/LuaJIT/commit/ff34b48ddd6f2b3bdd26... when the string hashing got a new implementation
- Hackers Exploited a PC Driving SIM to Pull Off Disney Data Breach
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Weird things I learned while writing an x86 emulator
For an implementation of logical immediate encoding without the loop, see https://github.com/LuaJIT/LuaJIT/blob/04dca7911ea255f37be799...
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A note from our sponsor - CodeRabbit
coderabbit.ai | 25 Apr 2025
Stats
Basic LuaJIT repo stats
56
4,998
8.4
15 days ago
LuaJIT/LuaJIT is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
The primary programming language of LuaJIT is C.
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