BOLT
rust
BOLT | rust | |
---|---|---|
10 | 2,686 | |
2,487 | 93,266 | |
- | 1.4% | |
0.0 | 10.0 | |
about 1 year ago | 6 days ago | |
C++ | Rust | |
GNU General Public License v3.0 or later | 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.
BOLT
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Squeezing a Little More Performance Out of Bytecode Interpreters
Hi Stephen, congrats for the nice work! Have you guys considered using BOLT to optimize the interpreter? what it does is pretty much what has been suggested in this thread: profile + code reordering.
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I didn't find any post-link binary optimizers for Windows executables. Why?
For Linux unstripped ELFs there is the BOLT project (BOLT/bolt at main · facebookincubator/BOLT (github.com)). For PE files I found nothing. I would like to know if there are any or why there are none.
- Why is Rosetta 2 fast?
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The Rust compiler is now compiled with (thin) LTO (finally) for 5-10% improvements
Google automatically profiles everything running in their datacenters and compiles everything with LTO+PGO on by default. And beyond LTO, both Facebook's BOLT and Google's Propeller can perform additional binary optimizations on top of what regular LTO does.
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Related work on profiling reuse across program versions.
As an example, BOLT (Meta's binary optimizer) uses two strategies to map profiling information from one program onto another. First, it can use the address of branch instructions as anchor points for profiling data. Branches that share the same address (offset from the beginning of the function) can reuse profiling information. Another approach is to use the hashcode formed by the opcodes of instructions in basic blocks as anchor points. As long as the basic block is not modified, BOLT can reuse its profiling data. This approach was described in the paper "Bmat-a binary matching tool for stale profile propagation". If profiling information cannot be mapped onto the new program, then it is said to be stale.
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CFLAGS , LDFLAGS recommendation for making EMACS LIGHTENING FASTER?
If you're just excited to try out some shiny things then you can take a look at https://github.com/facebookincubator/BOLT, which is like PGO AFAIU. But again, in would definitely help if you have some elisp snippet that would measure the performance you care about so that you can see how much things improved after you enable a flag like -O3 or apply a tool like BOLT.
- Bolt - Optimize Linux Image - Has Anyone Tried at Home?
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What would it take to get LLVM to align branch targets with memory pages (to double the spatial locality vs. if the targets straddle memory pages)?
The best tool we have for maximizing code locality is probably BOLT. They measure improvements in icache hit ratios.
- AI Benchmark - 11900 Intel Optimized Tensorflow Performance Test
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AV1 related job offer :O
Imagine PGO, but taken up a notch: https://github.com/facebookincubator/BOLT
rust
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Rust to .NET compiler – Progress update
> There are online Rust compilers and interpreters already if you just want to rapid prototype and develop ideas in Rust
You are responding to one of the key developers of Rust early on[1], who's been working with the language for 14 years at that point.
[1] https://github.com/rust-lang/rust/graphs/contributors?from=2... and he's still #16 in commits overall today, despite almost no activity on the rust compiler since 2014.
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Create a Custom GitHub Action in Rust
If you haven't dipped your touch-typing fingers into Rust yet, you really owe it to yourself. Rust is a modern programming language with features that make it suitable not only for systems programming -- its original purpose, but just about any other environment, too; there are frameworks that let your build web services, web applications including user interfaces, software for embedded devices, machine learning solutions, and of course, command-line tools. Since a custom GitHub Action is essentially a command-line tool that interacts with the system through files and environment variables, Rust is perfectly suited for that as well.
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Why Does Windows Use Backslash as Path Separator?
Here's an example of someone citing a disagreement between CRT and shell32:
https://github.com/rust-lang/rust/issues/44650
This in addition to the Rust CVE mentioned elsewhere in the thread which was rooted in this issue:
https://blog.rust-lang.org/2024/04/09/cve-2024-24576.html
Here are some quick programs to test contrasting approaches. I don't have examples of inputs where they parse differently on hand right now, but I know they exist. This was also a problem that was frequently discussed internally when I worked at MSFT.
#include
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I hate Rust (programming language)
> instead of choosing a certain numbered version of the random library (if I remember correctly) I let cargo download the latest version which had a completely different API.
Yeah, they didn't follow the instructions and got burned. I still think that multiple things went wrong simultaneously for that experience. I wonder if more prevalent uses of `#[doc(alias = "name")]` being leveraged by https://github.com/rust-lang/rust/pull/120730 (which now that I check only accounts for methods and not functions, I should get on that!) so that when changing APIs around people at least get a slightly better experience.
- Rust Weird Exprs
- Critical safety flaw found in Rust on Windows (CVE-2024-24576)
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Unformat Rust code into perfect rectangles
Almost fixed the compiler: https://github.com/rust-lang/rust/pull/123325
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Implement React v18 from Scratch Using WASM and Rust - [1] Build the Project
Rust: A secure, efficient, and modern programming language (omitting ten thousand words). You can simply follow the installation instructions provided on the official website.
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Show HN: Fancy-ANSI – Small JavaScript library for converting ANSI to HTML
Recently did something similar in Rust but for generating SVGs. We've adopted it for snapshot testing of cargo and rustc's output. Don't have a good PR handy for showing Github's rendering of changes in the SVG (text, side-by-side, swiping) but https://github.com/rust-lang/rust/pull/121877/files has newly added SVGs.
To see what is supported, see the screenshot in the docs: https://docs.rs/anstyle-svg/latest/anstyle_svg/
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Upgrading Hundreds of Kubernetes Clusters
We strongly believe in Rust as a powerful language for building production-grade software, especially for systems like ours that run alongside Kubernetes.
What are some alternatives?
llvm-propeller - PROPELLER: Profile Guided Optimizing Large Scale LLVM-based Relinker
carbon-lang - Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
linux - Linux kernel source tree
zig - General-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Nim - Nim is a statically typed compiled systems programming language. It combines successful concepts from mature languages like Python, Ada and Modula. Its design focuses on efficiency, expressiveness, and elegance (in that order of priority).
Odin - Odin Programming Language
Elixir - Elixir is a dynamic, functional language for building scalable and maintainable applications
Rustup - The Rust toolchain installer
rust-analyzer - A Rust compiler front-end for IDEs [Moved to: https://github.com/rust-lang/rust-analyzer]
go - The Go programming language
mimalloc - mimalloc is a compact general purpose allocator with excellent performance.
scala - Scala 2 compiler and standard library. Bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3