admm-pruning

Prune DNN using Alternating Direction Method of Multipliers (ADMM)

Our paper

“A Systematic DNN Weight Pruning Framework using Alternating Direction Method of Multipliers” (https://arxiv.org/abs/1804.03294)

Citation

If you use these models in your research, please cite:

@article{zhang2018systematic,
  title={A Systematic DNN Weight Pruning Framework using Alternating Direction Method of Multipliers},
  author={Zhang, Tianyun and Ye, Shaokai and Zhang, Kaiqi and Tang, Jian and Wen, Wujie and Fardad, Makan and Wang, Yanzhi},
  journal={arXiv preprint arXiv:1804.03294},
  year={2018}
}

Models

1. lenet-5

• see tensorflow-mnist-model in this repository

2. bvlc_alexnet (focus on weight reduction)

• [bvlc_alexnet_21x_total.caffemodel] (http://bit.ly/2JVwKFD)

3. bvlc_alexnet (focus on conv reduction)

• [bvlc_alexnet_13_4x_conv.caffemodel] (http://bit.ly/2uNotPv)

Results

1. lenet-5 (top1 accuracy: 99.2%)

Layer	Weights	Weights after prune	Weights after prune %
conv1	0.5K	0.1K	20%
conv2	25K	2K	8%
fc1	400K	3.6K	0.9%
fc2	5K	0.35K	7%
Total	430.5K	6.05K	1.4%

2. bvlc_alexnet (top5 accuracy: 80.2%, 40 iterations of ADMM)

Layer	Weights	Weights after prune	Weights after prune %
conv1	34.8K	28.19K	81%
conv2	307.2K	61.44K	20%
conv3	884.7K	168.09K	19%
conv4	663.5K	132.7K	20%
conv5	442.4K	88.48K	20%
fc1	37.7M	1.06M	2.8%
fc2	16.8M	0.99M	5.9%
fc3	4.1M	0.38M	9.3%
Total	60.9M	2.9M	4.76%