This is the second part of the code for the paper "SHINE: SHaring the INverse Estimate from the forward pass for bi-level optimization and implicit models", submitted at the 2022 ICLR conference. The first part of the code to reproduce the Bi-level optimizations experiments is available here. This source code allows to reproduce the experiments on multiscale DEQs, i.e. Figure 3, and Figure E.2. in Appendix. This repo is based on the original mdeq repo by @jerrybai1995.
You need Python 3.7 or above to run this code.
This code will only run on a computer equipped with a GPU.
You can then install the requirements with: pip install -r requirements.txt.
You can reproduce Figure 3 of the paper with the following sequence of scripts:
# cifar
python paper_trainings.py
python paper_backward_times.py
# imagenet
python paper_trainings.py --dataset imagenet --n_runs 1 --refines 0,5,None
python paper_backward_times.py --dataset imagenet
python paper_plot.py
You can further indicate how many gpus to use in each script with the --n_gpus option (default for training is 4).
You can find other options using the --help option.
Beware:
- each CIFAR training is 11hours to 15 hours long (100 of them by default)
- each ImageNet training is 3 days to 7 days long (6 of them by default)
For a practical reproduction you might want to run those in an HPC (i.e. change line 56-60 to work with e.g. submitit).
For a test use, you can use the --n_runs (the number of repetitions for the error bar) and --n_refines (the number of points on the Pareto curve) options.
You can also just do the CIFAR trainings, by simply not running the ImageNet ones. The Figure will still be generated.
You can reproduce Figure E.2. of the paper with the following script:
python mdeq_lib/tests/modules/adj_broyden_correl.py
This should take about 15 mins to run with a single GPU.
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