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Top 5 C++ DSL Projects
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Yep. We’re in a situation where C-like languages couple layout and access interface very tightly. But, now cache is such an overriding issue in optimization, you really want to rapidly experiment with different layouts without rewriting your whole algorithm every time. AOS, SOA, AOSOA, hot/cold data for different stages, etc…
Jon Blow’s Jai language famously added a feature to references that allowed you to easily experiment with moving data members between hot/cold arrays of structs.
https://halide-lang.org/ tackles a related problem. It decouples the math to be done from the access order so as to allow you to rapidly test looping over data in complicated ways to achieve cache-friendly access patterns for your specific hardware target without rewriting your whole core loop every time.
Halide is primarily an about image processing convolution kernels. I’m not sure how general purpose it can get.
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cane
A small MIDI sequencer DSL designed around vectors and euclidean rhythms (by tarpit-collective)
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Project mention: Chatassembler is a RISC-V assembler that's over 10 times faster | news.ycombinator.com | 2025-01-18
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ DSL discussion
C++ DSL related posts
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Halide – a language for fast, portable computation on images and tensors
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Halide: A language for fast, portable computation on images and tensors
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Show HN: Flash Attention in ~100 lines of CUDA
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Halide v17.0.0
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Implementing Mario's Stack Blur 15 times in C++ (with tests and benchmarks)
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Deepmind Alphadev: Faster sorting algorithms discovered using deep RL
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Blog Post: Can You Trust a Compiler to Optimize Your Code?
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Index
What are some of the best open-source DSL projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | Halide | 6,057 |
| 2 | RaftLib | 965 |
| 3 | Xiasl | 290 |
| 4 | cane | 97 |
| 5 | Chata | 63 |
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