selfie
Halide
selfie | Halide | |
---|---|---|
21 | 43 | |
2,349 | 5,714 | |
0.5% | 0.5% | |
9.7 | 9.5 | |
2 days ago | 2 days ago | |
Jupyter Notebook | C++ | |
BSD 2-clause "Simplified" License | GNU General Public License v3.0 or later |
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selfie
- A tiny hand crafted CPU emulator, C compiler, and Operating System
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Project Oberon the Design of an Operating System, a Compiler, and a Computer Pdf
this sort of exists at https://github.com/cksystemsteaching/selfie
> Selfie is a self-contained 64-bit, 12KLOC C implementation of: (...) a tiny (...) subset of C called C Star (C) (...) to a tiny (...) subset of RISC-V called RISC-U[;] a[n] (...) emulator (...) that executes RISC-U code[;] (...) a (...) hypervisor (...) that provides RISC-U virtual machines*
so they have an instruction set architecture, a compiler, and an operating system, though it's much simpler than xv6. because the instruction set is a subset of risc-v you can run its code on actual risc-v hardware (or qemu-system-riscv), but presumably you could also design risc-u hardware in verilog that was simpler than a full implementation of rv64i with whatever extensions the hypervisor needs
- Best book on writing an optimizing compiler (inlining, types, abstract interpretation)?
- Selfie: An educational platform for teaching systems engineering
- An educational software system of a tiny self-compiling C compiler, a tiny self-executing RISC-V emulator, and a tiny self-hosting RISC-V hypervisor.
- Selfie: An Educational Platform For Teaching Systems Engineering
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?
oscam-patched - Open Source Cam Emulator
taichi - Productive, portable, and performant GPU programming in Python.
coollang-2020-fs - Compiler of a small Scala subset
futhark - :boom::computer::boom: A data-parallel functional programming language
perseus - A state-driven web development framework for Rust with full support for server-side rendering and static generation.
Image-Convolutaion-OpenCL
scamp-cpu - A homebrew 16-bit CPU with a homebrew Unix-like-ish operating system.
TensorOperations.jl - Julia package for tensor contractions and related operations
shecc - A self-hosting and educational C optimizing compiler
triton - Development repository for the Triton language and compiler
the_ray_tracer_challenge_in_rust - Repository to follow my development of "The Raytracer Challenge" book by Jamis Buck in the language Rust
ponyc - Pony is an open-source, actor-model, capabilities-secure, high performance programming language