cl-autowrap
Halide
cl-autowrap | Halide | |
---|---|---|
8 | 43 | |
208 | 5,714 | |
- | 0.5% | |
1.5 | 9.5 | |
15 days ago | 6 days ago | |
Python | C++ | |
BSD 2-clause "Simplified" License | GNU General Public License v3.0 or later |
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cl-autowrap
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Why Is Common Lisp Not the Most Popular Programming Language?
> Lack of access to the C libraries.
???
I recently started learning Common Lisp for fun (and fun it is!) and the ease of accessing C libraries was one of the things that surprised me in a positive way.
Using https://github.com/rpav/cl-autowrap one can simply write (c-include "file.h") and the API defined in "file.h" is accessible from Lisp. I can't think of a simpler way.
Even without cl-autowrap, FFI using https://cffi.common-lisp.dev/ seems simple enough.
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An Idea for Piggybacking Python (language) ecosystem
I think the closest is cl-autowrap. I can imagine a higher level wrapper around it by which it can translate the python header file into the CL counterpart, although I'm not sure how much work the translation might entail. Also, because python and lisp semantics can differ considerably, the generated code might be trying to do weird things - again an issue of translation.
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Why Functional Programming Should Be the Future of Software
Common lisp has a "pretty OK" story for calling C code whenever some speed is needed [0,1]. In my opinion, they suffer from some of the documentation/quick start problems that common lisp has, but they're otherwise usable.
Some of Naughty Dog's late 90's/early 2000's games (Jak and Daxter, Jak II) were written in a lisp called GOAL, Game Oriented Assembly Lisp [2]
[0] https://github.com/rpav/cl-autowrap
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Common Lisp language extensions wish list?
The closest thing to what you request, that I'm aware of, is cl-autowrap (to use C code from Lisp) but it is not standard in any way. CFFI is the de facto standard for using C from Lisp across different implementations.
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I have bolted together ECL and the Irrlicht game library
:claw tracks back to 2017 as a fork of cl-autowrap with cl-autowrap/pull/83 feature.
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Common Lisp
If you're interested in FFI, then yeah CFFI is the standard. The other comments addressed speed, I also wanted to point out https://github.com/rpav/cl-autowrap which is built on top of CFFI and can help get a wrapper up and running faster. After using autowrap's c-include you can then use CFFI basically like normal or some useful autowrap/plus-c's helper functions -- e.g. in one project, I have an SDL_Event (https://wiki.libsdl.org/SDL_Event) and to access event.key.keysym.scancode I have a helper function that's just (plus-c:c-ref event sdl2-ffi:sdl-event :key :keysym :scancode). Last year I wanted to try out using FMOD, and even though it's closed source and has a (to me) "interesting" API things worked easily: https://gist.github.com/Jach/dc2ec7b9402d0ec5836a935384cacdc... More work would be needed to make a nice wrapper, type things more fully, etc. but depending on the C library you might find someone's already done that (or made a start) and made it available from quicklisp.
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[Common Lisp] Best Libraries for Interfacing with UNIX-like Operating Systems?
In recent years there has also been cl-autowrap; caveats -
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Alternative to ECL?
There is the cl-autowrap that can generate lisp packages from C header filesc- I am unsure if it sticks to ANSI C or goes beyond. It inturn depends on c2ffi for the first time around.
Halide
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Show HN: Flash Attention in ~100 lines of CUDA
If CPU/GPU execution speed is the goal while simultaneously code golfing the source size, https://halide-lang.org/ might have come in handy.
- Halide v17.0.0
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From slow to SIMD: A Go optimization story
This is a task where Halide https://halide-lang.org/ could really shine! It disconnects logic from scheduling (unrolling, vectorizing, tiling, caching intermediates etc), so every step the author describes in the article is a tunable in halide. halide doesn't appear to have bindings for golang so calling C++ from go might be the only viable option.
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Implementing Mario's Stack Blur 15 times in C++ (with tests and benchmarks)
Probably would have been much easier to do 15 times in https://halide-lang.org/
The idea behind Halide is that scheduling memory access patterns is critical to performance. But, access patterns being interwoven into arithmetic algorithms makes them difficult to modify separately.
So, in Halide you specify the arithmetic and the schedule separately so you can rapidly iterate on either.
- Making Hard Things Easy
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Deepmind Alphadev: Faster sorting algorithms discovered using deep RL
It is not the sorting per-se which was improved here, but sorting (particularly short sequences) on modern CPUs with really the complexity being on the difficulty of predicting what will work quickly on these modern CPUs.
Doing an empirical algorithm search to find which algorithms fit well on modern CPUs/memory systems is pretty common, see e.g. FFTW, ATLAS, https://halide-lang.org/
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Two-tier programming language
Halide https://halide-lang.org/
- Best book on writing an optimizing compiler (inlining, types, abstract interpretation)?
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Blog Post: Can You Trust a Compiler to Optimize Your Code?
It doesn’t apply in this case, but in general if you really want the best vectorization I would suggest using https://halide-lang.org instead of trying to coerce your compiler.
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What would make you try a new language?
If we drop the "APL" requirement, wouldn't Halide fit your criteria for the third?
What are some alternatives?
c2ffi - Clang-based FFI wrapper generator
taichi - Productive, portable, and performant GPU programming in Python.
cffi - The Common Foreign Function Interface
futhark - :boom::computer::boom: A data-parallel functional programming language
chibi-scheme - Official chibi-scheme repository
Image-Convolutaion-OpenCL
cl-rashell - Resilient replicant Shell Programming Library for Common Lisp
TensorOperations.jl - Julia package for tensor contractions and related operations
mal - mal - Make a Lisp
triton - Development repository for the Triton language and compiler
claw - Common Lisp autowrapping facility for C and C++ libraries
ponyc - Pony is an open-source, actor-model, capabilities-secure, high performance programming language