heappy
rust-bindgen
heappy | rust-bindgen | |
---|---|---|
2 | 50 | |
22 | 4,151 | |
- | 2.8% | |
8.5 | 9.0 | |
3 days ago | 7 days ago | |
Rust | Rust | |
Apache License 2.0 | BSD 3-clause "New" or "Revised" License |
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heappy
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Why Not Rust?
> But, for example, some runtime-related tools (most notably, heap profiling) are just absent — it’s hard to reflect on the runtime of the program if there’s no runtime!
Yeah; I felt that pain too.
I tried to write something to address some parts of the missing space. It's still in the early stages but you may be interested:
https://github.com/mkmik/heappy
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Go 1.17 Is Released
I hate to be "that guy" too, but coming from somebody who really likes Rust and is using it more and more (also at $dayjob now) we must admit that Go tooling is one step ahead. CPU profiler, allocation and heap profiler, lock contention profiler. It all comes out of the box.
Yes you have cargo flamegraph for profiling locally and you now have pprof-rs to mimick Go's embedded pprof support. But allocation heap profiling is still something I struggle with.
I saw there was a pprof-rs PR with a heap profiler but there was some doubt as to whether it worked correctly; to get a feeling of how that approach would work but without having to fork pprof-rs I implemented the https://github.com/mkmik/heappy crate which I can use to produce memory allocation flamegraphs (using the same "go tool pprof" tooling!) in real code I run and figure out if it works in practice before pushing it upstream.
But stuff you give for granted like figuring out which structure accounts for most used memory, is very hard to achieve. The servo project uses an internal macro that help you trace the object sizes but it's hard to use outside the servo project.
The GC makes some things very easy, and it's not just about programmers not having to care about memory; it's also that the same reference tracing mechanism used to implement GC can be used to cheaply get profiling information.
rust-bindgen
- Rust Bindgen
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ffizz: Build a Beautiful C API in Rust
Rust supports two kinds of FFI: calling into Rust from another language; and calling into another language from Rust. Most of the thought and tooling that exists right now is organized around the second kind. For example, bindgen is a popular tool that generates useful Rust wrappers from a C or C++ header file.
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Best practices in creating a Rust API for a C++ library? Seeking advice from those who've done it before.
I have looked into bindgen, but found that it would not be feasible due to OMPL not having a C API, just C++.
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the graphics driver doesn't work on gentoo.
Yes! Are you running LLVM version 16.0.0 or newer, by any chance? I believe this is an issue with some builds of bindgen with newer versions of LLVM. See https://github.com/rust-lang/rust-bindgen/issues/2488
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Any sort of plugin engine with dynamic load ability and any limitations?
On native, you have to define a C API, probably using a header file. Even if both sides are implemented in Rust, they have to speak that C API (documentation).
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How can I use rust libraries in C++
Bindgen has some functionality for direct talk to C++ https://github.com/rust-lang/rust-bindgen
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Issue resolving dependencies when linking C libraries
I am trying to use rust-bindgen (https://github.com/rust-lang/rust-bindgen) to link a static C library (say `libexample.a`) which is compiled in a separate project with CMake. The `libexample.a` depends on other libraries (for example `libcurl.a`) installed on the system.
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I implemented a NASA image compression algorithm
It looks like the guy you're replying too was kind of an ass, but I do want to point out for anyone else reading that that's not actually that much of a technical limitation: rust code can natively call C code. The main thing you need is a translation of the C library's header file so rustc knows what C functions and structs exist, and that can be automatically generated with bindgen.
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Hey Rustaceans! Got a question? Ask here (5/2023)!
It's quite the different approach, but you could consider using bindgen instead.
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Control hardware using c# or c++ API (dll)
Use bindgen or CXX to create Rust bindings for the C or C++ libraries.
What are some alternatives?
bytehound - A memory profiler for Linux.
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textot.rs - Text operational transform library, for rust. Compatible with libot, ottypes/text.
cxx - Safe interop between Rust and C++
memory-profiler - A memory profiler for Linux. [Moved to: https://github.com/koute/bytehound]
autocxx - Tool for safe ergonomic Rust/C++ interop driven from existing C++ headers
JNA - Java Native Access
vulkano - Safe and rich Rust wrapper around the Vulkan API
CC - A small, usability-oriented generic container library.
cc - Command line crypto currency value converter.
win32metadata - Tooling to generate metadata for Win32 APIs in the Windows SDK.
surrealdb - A scalable, distributed, collaborative, document-graph database, for the realtime web