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Low-Precision Arithmetic Simulation in Pytorch - Extension for Posit and customized number formats
git clone https://github.com/minhhn2910/QPyTorch.git
cd QPyTorch
pip install -e ./
Simple test if c-extension is working correctly :
python test.py
Important: if there are errors when running test.py, please export the environment variables indicating build directory and/or CUDA_HOME, otherwise we will have permission problem in multi-user-server.
export TORCH_EXTENSIONS_DIR=/[your-home-folder]/torch_extension
export CUDA_HOME=/[your cuda instalation directory e.g. /usr/local/cuda-10.2]
python test.py
value x -> x*scale -> Posit(x*scale) -> x
x
is in a posit format with es = 0 => Sigmoid(x) = (x XOR 0x8000) >> 2 => PositTanh(x) = 2 · Sigmoid(2x) − 1
examples/tutorial/test_posit_func.ipynb
examples/tutorial/CIFAR10_Posit_Training_Example.ipynb
If you find this repo useful, please cite our paper(s) listed below. The below also explain the terms and usage of Posit's enhancements (exponent bias and tanh function).
@inproceedings{ho2021posit,
title={Posit Arithmetic for the Training and Deployment of Generative Adversarial Networks},
author={Ho, Nhut-Minh and Nguyen, Duy-Thanh and De Silva, Himeshi and Gustafson, John L and Wong, Weng-Fai and Chang, Ik Joon},
booktitle={2021 Design, Automation \& Test in Europe Conference \& Exhibition (DATE)},
pages={1350--1355},
year={2021},
organization={IEEE}
}
The original README file is in REAME.original.md
Credit to the Qpytorch team and their original publication
@misc{zhang2019qpytorch,
title={QPyTorch: A Low-Precision Arithmetic Simulation Framework},
author={Tianyi Zhang and Zhiqiu Lin and Guandao Yang and Christopher De Sa},
year={2019},
eprint={1910.04540},
archivePrefix={arXiv},
primaryClass={cs.LG}
}
FAQs
Low-Precision Arithmetic Simulation in Pytorch - Extension for Posit and customized number formats
We found that qtorch-plus demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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