Top 6 LLVM Llvm Projects
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Project mention: The Julia language has a number of correctness flaws | news.ycombinator.com | 2022-05-16
Enzyme dev here, so take everything I say as being a bit biased:
While, by design Enzyme is able to run very fast by operating within the compiler (see https://proceedings.neurips.cc/paper/2020/file/9332c513ef44b... for details) -- it aggressively prioritizes correctness. Of course that doesn't mean that there aren't bugs (we're only human and its a large codebase [https://github.com/EnzymeAD/Enzyme], especially if you're trying out newly-added features).
Notably, this is where the current rough edges for Julia users are -- Enzyme will throw an error saying it couldn't prove correctness, rather than running (there is a flag for "making a best guess, but that's off by default"). The exception to this is garbage collection, for which you can either run a static analysis, or stick to the "officially supported" subset of Julia that Enzyme specifies.
Incidentally, this is also where being a cross-language tool is really nice -- namely we can see edge cases/bug reports from any LLVM-based language (C/C++, Fortran, Swift, Rust, Python, Julia, etc). So far the biggest code we've handled (and verified correctness for) was O(1million) lines of LLVM from some C++ template hell.
I will also add that while I absolutely love (and will do everything I can to support) Enzyme being used throughout arbitrary Julia code: in addition to exposing a nice user-facing interface for custom rules in the Enzyme Julia bindings like Chris mentioned, some Julia-specific features (such as full garbage collection support) also need handling in Enzyme.jl, before Enzyme can be considered an "all Julia AD" framework. We are of course working on all of these things (and the more the merrier), but there's only a finite amount of time in the day. [^]
[^] Incidentally, this is in contrast to say C++/Fortran/Swift/etc, where Enzyme has much closer to whole-language coverage than Julia -- this isn't anything against GC/Julia/etc, but we just have things on our todo list.
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Project mention: fcd – LLVM-based native program optimizing decompiler | news.ycombinator.com | 2022-05-01
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Interestingly llvm-hs seems to have gotten a new maintainer which has ambitious ideas like using it for GHC and absorbing the bytecode parser llvm-pretty-bc-parser.
LLVM Llvm related posts
Index
What are some of the best open-source Llvm projects in LLVM? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Enzyme | 730 |
| 2 | llvm-hs | 442 |
| 3 | anvill | 214 |
| 4 | evm_llvm | 62 |
| 5 | llvm-hs-pretty | 60 |
| 6 | llvm-pretty-bc-parser | 43 |
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