ruduino
llvm-project
ruduino | llvm-project | |
---|---|---|
4 | 353 | |
679 | 25,839 | |
0.0% | 3.0% | |
0.0 | 10.0 | |
over 1 year ago | 4 days ago | |
Rust | C++ | |
Apache License 2.0 | GNU General Public License v3.0 or later |
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.
ruduino
- Safety vs. Performance. A case study of C, C++ and Rust sort implementations
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My CHIP-8 implementation for AVR microcontrollers now builds with unpatched Rust nightly
I've discovered that Ruduino has become quite usable in the meantime, so I was able to remove a lot of low-level port writes and unsafe code in favor of their nicely packaged Ruduino equivalents.
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Five simple steps to use any Arduino C++ library in a Rust project 🦀
Rust language shares all advantages of efficient C++ code. With the rust community growing year after year, more and more people try using rust to program their Arduino boards. Consequently, the Arduino Rust ecosystem have significantly developed in the last couple of years. The Hardware Abstraction Layer for AVR microcontrollers avr-hal, Rudino library and ravedude CLI utility to make Rust development for AVR microcontrollers easier are just a few examples of the solid foundation developed so far.
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Rust GCC back end was officially accepted into the compiler
It already works on Arduino. You can use https://github.com/avr-rust/avrd for register level access akin to AVR-GCC or https://github.com/avr-rust/ruduino a little bit higher level access. If you want high level "safe" interfaces you can use: https://github.com/Rahix/avr-hal
llvm-project
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Qt and C++ Trivial Relocation (Part 1)
As far as I know, libstdc++'s representation has two advantages:
First, it simplifies the implementation of `s.data()`, because you hold a pointer that invariably points to the first character of the data. The pointer-less version needs to do a branch there. Compare libstdc++ [1] to libc++ [2].
[1]: https://github.com/gcc-mirror/gcc/blob/065dddc/libstdc++-v3/...
[2]: https://github.com/llvm/llvm-project/blob/1a96179/libcxx/inc...
Basically libstdc++ is paying an extra 8 bytes of storage, and losing trivial relocatability, in exchange for one fewer branch every time you access the string's characters. I imagine that the performance impact of that extra branch is tiny, and massively confounded in practice by unrelated factors that are clearly on libc++'s side (e.g. libc++'s SSO buffer is 7 bytes bigger, despite libc++'s string object itself being smaller). But it's there.
The second advantage is that libstdc++ already did it that way, and to change it would be an ABI break; so now they're stuck with it. I mean, obviously that's not an "advantage" in the intuitive sense; but it's functionally equivalent to an advantage, in that it's a very strong technical answer to the question "Why doesn't libstdc++ just switch to doing it libc++'s way?"
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Playing with DragonRuby Game Toolkit (DRGTK)
This Ruby implementation is based on mruby and LLVM and it’s commercial software but cheap.
- Add support for Qualcomm Oryon processor
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Ask HN: Which books/resources to understand modern Assembler?
'Computer Architeture: A Quantitative Apporach" and/or more specific design types (mips, arm, etc) can be found under the Morgan Kaufmann Series in Computer Architeture and Design.
"Getting Started with LLVM Core Libraries: Get to Grips With Llvm Essentials and Use the Core Libraries to Build Advanced Tools "
"The Architecture of Open Source Applications (Volume 1) : LLVM" https://aosabook.org/en/v1/llvm.html
"Tourist Guide to LLVM source code" : https://blog.regehr.org/archives/1453
llvm home page : https://llvm.org/
llvm tutorial : https://llvm.org/docs/tutorial/
llvm reference : https://llvm.org/docs/LangRef.html
learn by examples : C source code to 'llvm' bitcode : https://stackoverflow.com/questions/9148890/how-to-make-clan...
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Flang-new: How to force arrays to be allocated on the heap?
See
https://github.com/llvm/llvm-project/issues/88344
https://fortran-lang.discourse.group/t/flang-new-how-to-forc...
- The LLVM Compiler Infrastructure
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Programming from Top to Bottom - Parsing
You can never mistake type_declaration with an identifier, otherwise the program will not work. Aside from that constraint, you are free to name them whatever you like, there is no one standard, and each parser has it own naming conventions, unless you are planning to use something like LLVM. If you are interested, you can see examples of naming in different language parsers in the AST Explorer.
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Look ma, I wrote a new JIT compiler for PostgreSQL
> There is one way to make the LLVM JIT compiler more usable, but I fear it’s going to take years to be implemented: being able to cache and reuse compiled queries.
Actually, it's implemented in LLVM for years :) https://github.com/llvm/llvm-project/commit/a98546ebcd2a692e...
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C++ Safety, in Context
> It's true, this was a CVE in Rust and not a CVE in C++, but only because C++ doesn't regard the issue as a problem at all. The problem definitely exists in C++, but it's not acknowledged as a problem, let alone fixed.
Can you find a link that substantiates your claim? You're throwing out some heavy accusations here that don't seem to match reality at all.
Case in point, this was fixed in both major C++ libraries:
https://github.com/gcc-mirror/gcc/commit/ebf6175464768983a2d...
https://github.com/llvm/llvm-project/commit/4f67a909902d8ab9...
So what C++ community refused to regard this as an issue and refused to fix it? Where is your supporting evidence for your claims?
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Clang accepts MSVC arguments and targets Windows if its binary is named clang-cl
For everyone else looking for the magic in this almost 7k lines monster, look at line 6610 [1].
[1] https://github.com/llvm/llvm-project/blob/8ec28af8eaff5acd0d...
What are some alternatives?
avr-hal - embedded-hal abstractions for AVR microcontrollers
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
book - The Rust on ESP Book
Lark - Lark is a parsing toolkit for Python, built with a focus on ergonomics, performance and modularity.
sort-research-rs - Test and benchmark suite for sort implementations.
gcc
rust-arduino-helpers - experients in mixing Rust and C/C++ on the Arduino Uno
SDL - Simple Directmedia Layer
rust_arduino - How to use an Arduino library in a Rust project?
cosmopolitan - build-once run-anywhere c library
Arduino-LiquidCrystal-I2C-library - Library for the LiquidCrystal LCD display connected to an Arduino board.
windmill - Open-source developer platform to turn scripts into workflows and UIs. Fastest workflow engine (5x vs Airflow). Open-source alternative to Airplane and Retool.