cunumeric
Python-Complementary-Languages
cunumeric | Python-Complementary-Languages | |
---|---|---|
9 | 8 | |
595 | 31 | |
0.0% | - | |
8.5 | 2.1 | |
1 day ago | 9 months ago | |
Python | Python | |
Apache License 2.0 | - |
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cunumeric
- Announcing Chapel 1.32
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Is Parallel Programming Hard, and, If So, What Can You Do About It? [pdf]
I am biased because this is my research area, but I have to respectfully disagree. Actor models are awful, and the only reason it's not obvious is because everything else is even more awful.
But if you look at e.g., the recent work on task-based models, you'll see that you can have literally sequential programs that parallelize automatically. No message passing, no synchronization, no data races, no deadlocks. Read your programs as if they're sequential, and you immediately understand their semantics. Some of these systems are able to scale to thousands of nodes.
An interesting example of this is cuNumeric, which allows you to take sequential Python programs that use NumPy, and by changing one line (the import statement), run automatically on clusters of GPUs. It is 100% pure awesomeness.
https://github.com/nv-legate/cunumeric
(I don't work on cuNumeric, but I do work on the runtime framework that cuNumeric uses.)
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GPT in 60 Lines of NumPy
I know this probably isn't intended for performance, but it would be fun to run this in cuNumeric [1] and see how it scales.
[1]: https://github.com/nv-legate/cunumeric
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Dask – a flexible library for parallel computing in Python
If you want built-in GPU support (and distributed), you should check out cuNumeric (released by NVIDIA in the last week or so). Also avoids needing to manually specify chunk sizes, like it says in a sibling comment.
https://github.com/nv-legate/cunumeric
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Julia is the better language for extending Python
Try dask
Distribute your data and run everything as dask.delayed and then compute only at the end.
Also check out legate.numpy from Nvidia which promises to be a drop in numpy replacement that will use all your CPU cores without any tweaks on your part.
https://github.com/nv-legate/legate.numpy
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Learning more about HPC as a python guy
Something for the HPC tools category: https://github.com/nv-legate/legate.numpy
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Unifying the CUDA Python Ecosystem
You might be interested in Legate [1]. It supports the NumPy interface as a drop-in replacement, supports GPUs and also distributed machines. And you can see for yourself their performance results; they're not far off from hand-tuned MPI.
[1]: https://github.com/nv-legate/legate.numpy
Disclaimer: I work on the library Legate uses for distributed computing, but otherwise have no connection.
- Legate NumPy: An Aspiring Drop-In Replacement for NumPy at Scale
Python-Complementary-Languages
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Julia is the better language for extending Python
Note that the OP is a Python user, not a Julia user. The Github profile is a bunch of Python packages and the Julia code wasn't even optimized (https://github.com/00sapo/cython_list_test/pull/5). If this test says anything, it at least would say that a inexperienced Python user could pick up Julia and do pretty well, even if the code they write isn't great.
Even if it doesn't say that, bashing people who use Julia for a repository made by a Python user is a new level of HN trolling.
- Julia is the best language to extend Python for scientific computing
What are some alternatives?
cupy - NumPy & SciPy for GPU
py2many - Transpiler of Python to many other languages
CudaPy - CudaPy is a runtime library that lets Python programmers access NVIDIA's CUDA parallel computation API.
julia - The Julia Programming Language
CUDA.jl - CUDA programming in Julia.
iminuit - Jupyter-friendly Python interface for C++ MINUIT2
numba - NumPy aware dynamic Python compiler using LLVM
shared_numpy - A simple library for creating shared memory numpy arrays
legate.pandas - An Aspiring Drop-In Replacement for Pandas at Scale
rust-numpy - PyO3-based Rust bindings of the NumPy C-API
grcuda - Polyglot CUDA integration for the GraalVM
pypolyline - Fast Google Polyline encoding and decoding using a Rust binary