Expanding Neural Performance Predictors Beyond Image Classification

Repository for the paper

AIO-P: Expanding Neural Performance Predictors Beyond Image Classification
Keith G. Mills, Di Niu, Mohammad Salameh, Weichen Qiu, Fred X. Han, Puyuan Liu, Jialin Zhang, Wei Lu and Shangling Jui
AAAI-23 Oral Presentation

Specifically, we provide the following:

• Computation Graph (CG) data caches for all datasets used in the paper.
• Code for generating individually labeled CG samples, as well as training a shared head to generate pseudo-labels.
• Predictor code including AIO-P with k-Adapters and label scaling, as well as the baseline GNN.
• Code API for generating, loading and visualizing CGs.

Setup

Dependencies

• Machine with an NVIDIA GPU and CUDA (>=10.2) support
• Python 3.7
• System: Ubuntu 20.04.4 LTS
• Conda is installed

Installing packages

First create a conda environment

conda create -n aiop python=3.7
conda activate aiop

Install conda packages

$ conda install -c anaconda tensorflow-gpu=1.15.0 cudatoolkit

Install pip packages (can use conda instead, but this worked for us)

$ pip install --trusted-host pytorch.org --trusted-host download.pytorch.org  torch==1.8.1+cu102 torchvision==0.9.1+cu102 torchaudio==0.8.1 -f https://download.pytorch.org/whl/torch_stable.html
$ pip install --trusted-host pytorch-geometric.com torch-scatter==2.0.8 torch-sparse==0.6.11 torch-cluster==1.5.9 torch-spline-conv==1.2.1 -f https://pytorch-geometric.com/whl/torch-1.8.1.html
$ pip install torch_geometric==1.7.2 opencv-python thop
$ pip install git+https://github.com/facebookresearch/detectron2.git git+https://github.com/cocodataset/panopticapi.git

These commands worked for us, but your mileage may vary. We note that for Detectron2 to work properly, torch and torchvision should be compiled with a version of CUDA which is reflected in their respective __version__ fields.

Downloading Datasets

• Download Computational Graph (CG) caches:
  • Download cache.zip from the shared google drive and place all .pkl files in /cache/.
    • Caches with ind in their name are individually-trained architectures. shared refers to architectures fine-tuned by a shared head.
    • deeplab' or slim' caches refer to model zoos.
    • Caches without either are classifiction CGs.
  • Download sample_pbs.zip from the shared google drive for examples of ResNet-18 and EfficientNet-B0.
• Download the following datasets:
  • LSP
    • Unzip contents to data/HPE/lsp
  • LSP Extended
    • Unzip contents to data/HPE/lsp_extended
  • MPII
    • Unzip and place the annot and images folders under data/HPE/mpii
  • COCO
    • Set up the detectron2 COCO dataset: https://github.com/facebookresearch/detectron2/tree/main/datasets

Setting up the repository

1. Download and unpack CG_data.zip
2. Place .pkl files in cache folder
3. Set the environment variable DETECTRON2_DATASETS to the directory containing the coco datasets:

   export DETECTRON2_DATASETS=/home/...
   

Experiments

Training individual architectures

The run_train_cgs_on_task.py will train individual architectures to be used as test architectures that represent the ground truth.
Inside the cache folder, this script will output a subfolder with a .txt file that contains the logs and a .pkl file with the trained architectures

Example for Detectron2

python run_train_cgs_on_task.py -family ofa_mbv3 -task detectron2 -tag individual -start_idx 0 -num_archs 10 -skip --num-gpus 2 --config-file tasks/detectron2/COCO_PanSeg_FPN_Adapted_Head.yml

• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -task detectron2 will execute the detectron2 code
• -tag can be any string that labels the output folder
• -start_idx is the start index of the architectures to train
• -num_archs is the number of architectures to train
• -skip uses skip connections
• --num-gpus 2 uses 2 GPUs. We use Tesla V100 GPUs with 32GB of VRAM each, so depending on your computer resources, you may need to increase number of GPUs to avoid CUDA Out of memory errors
• --config-file is the path to the detectron2 config file

For HPE

python run_train_cgs_on_task.py -family ofa_mbv3 -task hpe2d -tag individual -start_idx 0 -num_archs 10 --num_epochs 140 --data_dir data/HPE

• See the tasks/pose_hg_3d/lib/opts.py file for the full list of flags on HPE
• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -task hpe2d will execute the hpe2d code
• -tag can be any string that labels the output folder
• -start_idx is the start index of the architectures to train
• -num_archs is the number of architectures to train
• --num_epochs is the number of epochs to train for
• --data_dir is the folder path of the data directory that contains the HPE data and it should contain lsp, lsp_extended and mpii subfolders

Generating HPE latent representation caches

These caches are needed for the HPE training shared head experiments
The caches are passed in at the --cache_file flag for run_train_head_on_task.py

For HPE

python tasks/pose_hg_3d/lsp_dataloader.py --family mbv3 --data_dir data/HPE/

You might need run export PYTHONPATH=$PYTHONPATH:/path/to/this/directory/

• --family is the OFA family to train, select from one of pn, mbv3, and resnet.
• --data_dir is the folder path of the data directory that contains the HPE data and it should contain both lsp and lsp_extended subfolders

Training the shared head weights

run_train_head_on_task.py will train the shared head.
The script will produce a .pkl file that contains the shared head weights.

For Detectron2

We do not generate caches as COCO is too big, but sample latent representations on the fly.

python run_train_head_on_task.py -family ofa_mbv3 -task detectron2 -tag sampled -skip --num-gpus 1 --config-file tasks/detectron2/COCO_PanSeg_FPN_Adapted_Head.yml -sample_n 3 SOLVER.MAX_ITER 250000 SOLVER.STEPS 166000,222000 SOLVER.IMS_PER_BATCH 8

• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -task detectron2 will execute the detectron2 code
• -tag can be any string that labels the output folder
• -skip uses skip connections
• -sample_n is the number of architectures per bin
• --num-gpus 1 uses 1 GPU
• --config-file is the path to the detectron2 config file
• SOLVER.MAX_ITER is the maximum number of iterations
• SOLVER.STEPS are the steps at which the learning rate will be decreased
• SOLVER.IMS_PER_BATCH is the number of architectures per batch

Hyperparameters

OFA family	SOLVER.MAX_ITER	SOLVER.STEPS	SOLVER.IMS_PER_BATCH
PN	250000	166000,222000	8
MBv3	250000	166000,222000	8
ResNet	250000	166000,222000	5

For HPE

python run_train_head_on_task.py -family ofa_mbv3 --family mbv3 -task hpe2d -tag sampled --dataset lsp_cache --num_epochs 5000 --batch_size 256 -swap 10 --lr_cosine --cache_file cache/ofa_mbv3_cache_dict_n5 --data_dir data/HPE

• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet
• --family is the OFA family to train, select from one of pn, mbv3, and resnet, it should be the same as -family except without the ofa_ prefix
• -task hpe2d will execute the hpe2d code
• -tag can be any string that labels the output folder
• --dataset lsp_cache indicates that it should use the LSP dataset with a cache file
• --num_epochs is the number of epochs to train for
• --batch_size is the number of architectures per batch
• --lr_cosine uses a cosine learning rate
• --cache_file is the prefix of the directory containing the latent representation caches
• --data_dir is the folder path of the data directory that contains the HPE data and it should contain both lsp and mpii subfolders

Training shared head architectures

For Detectron2

python run_train_cgs_on_task.py -family ofa_mbv3 -task detectron2 -tag shared -start_idx 10 -num_archs 15 -skip --num-gpus 2 --config-file tasks/detectron2/COCO_PanSeg_FPN_Adapted_Head.yml -chkpt cache/ofa_mbv3_detectron2_sampled/head_weights.pkl SOLVER.MAX_ITER 750 SOLVER.STEPS 465,635

• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -task detectron2 will execute the detectron2 code
• -tag can be any string that labels the output folder
• -start_idx is the start index of the architectures to train
• -num_archs is the number of architectures to train
• -skip uses skip connections
• -chkpt is the file path of the shared head weights
• --num-gpus 2 uses 2 GPUs. Depending on your computer resources, you may need to increase number of GPUs to avoid CUDA Out of memory errors
• --config-file is the path to the detectron2 config file
• SOLVER.MAX_ITER is the maximum number of iterations
• SOLVER.STEPS are the steps at which the learning rate will be decreased

Hyperparameters

OFA family	SOLVER.MAX_ITER	SOLVER.STEPS	SOLVER.IMS_PER_BATCH
PN	750	465,635	-
MBv3	750	465,635	-
ResNet	1000	620,850	12

For HPE

python run_train_cgs_on_task.py -family ofa_mbv3 -task hpe2d -tag shared --lr_cosine --num_epochs 10 -start_idx 10 -num_archs 15 --dataset lsp_extended -chkpt saved_models/ofa_mbv3_hpe2d_sampled_head_head.pt --data_dir data/HPE

• -family is the OFA family to train, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -task hpe2d will execute the hpe2d code
• -tag can be any string that labels the output folder
• -start_idx is the start index of the architectures to train
• -num_archs is the number of architectures to train
• --dataset lsp_extended indicates that it should use the LSP extended dataset
• --num_epochs is the number of epochs to train for
• --batch_size is the number of architectures per batch
• --lr_cosine uses a cosine learning rate
• -chkpt is the file path of the shared head weights
• --data_dir is the folder path of the data directory that contains the HPE data and it should contain both lsp and mpii subfolders

Profiler

Run this profiling script to get the FLOPs and Params of all the architectures in a .pkl cache file
run_profiler.py will take a cache file containing architectures, profile those architectures, and then overwrite the cache file(s) with new file(s) containing flops and params

For Detectron2

python run_profiler.py -task detectron -profiler flops params -reprofile --config-file tasks/detectron2/COCO_PanSeg_FPN_Adapted_Head.yml -cache_file cache/FOLDER

• -task detectron will execute the detectron2 code
• -reprofile will profile the architectures even if it has already been profiled
• -profiler selects the metrics to profile for
• -cache_file is the path to the folder of .pkl files to profile
• --config-file is the path to the detectron2 config file

For HPE

python run_profiler.py -task hpe2d -profiler flops params -reprofile --data_dir data/HPE -cache_file cache/FOLDER

• -task hpe2d will execute the hpe2d code
• -reprofile will profile the architectures even if it has already been profiled
• -profiler selects the metrics to profile for
• --data_dir is the folder path of the data directory that contains the HPE data and it should contain both lsp and mpii subfolders
• -cache_file is the path to the folder of .pkl files to profile

Make cg caches from .pkl files

This scripts takes the output folders from run_train_cgs_on_task.py, which contains multiple .pkl files and combines it into a single .pkl file
This script outputs a single file named "gpi_ofa_{family}{test_metric}{suffix}_comp_graph_cache.pkl"

For Detectron2

python make_cg_task_cache.py -cache_dir cache/FOLDER -family ofa_mbv3 -suffix SUFFIX -test_metric "obj_det"
python make_cg_task_cache.py -cache_dir cache/FOLDER -family ofa_mbv3 -suffix SUFFIX -test_metric "inst_seg"
python make_cg_task_cache.py -cache_dir cache/FOLDER -family ofa_mbv3 -suffix SUFFIX -test_metric "sem_seg"
python make_cg_task_cache.py -cache_dir cache/FOLDER -family ofa_mbv3 -suffix SUFFIX -test_metric "pan_seg"

• -cache_dir is the path to the folder contains all the .pkl files to combine
• -family is the OFA family to combine, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -suffix is any string to uniquely identify the output cache file
• -test_metric is the metric/task you wish to make a cache for. Select from: obj_det, inst_seg, sem_seg, and pan_seg

For HPE

python make_cg_task_cache.py -cache_dir cache/FOLDER -family ofa_mbv3 -suffix SUFFIX -test_metric "val_PCK"

• -cache_dir is the path to the folder contains all the .pkl files to combine
• -family is the OFA family to combine, select from one of ofa_pn, ofa_mbv3, and ofa_resnet.
• -suffix is any string to uniquely identify the output cache file, usually lsp or mpii
• -test_metric is the metric on which accuracy is evaluated. For hpe, the test metric is just val_PCK

Training predictor

This script will output a model of the trained predictor as a .pt file to the saved_models folder

python run_gpi_acc_predictor.py -model_name MODEL_NAME -family_train nb101 -family_test ofa_mbv3_val_PCK_lsp_ind#20+ofa_mbv3_val_PCK_mpii_ind#20+ofa_mbv3_obj_det_coco_ind#20+ofa_mbv3_inst_seg_coco_ind#20+ofa_mbv3_sem_seg_coco_ind#20+ofa_mbv3_pan_seg_coco_ind#20 -fine_tune_epochs 100 -epochs 40 -num_seeds 5 -k_adapt 1 -k_epochs 100 -family_k ofa_mbv3_val_PCK_lsp_shared -tar_norm stand_flops 

• -model_name is any string to uniquely identify the model
• -family_train is the family to train on
• -family_test is the list of families to test on
  • Each family is separated by a +
  • The names of the tests refer to the middle text in the filename: gpi_*_comp_graph_cache.pkl
  • #20 means set aside 20 archs for calculating standardization mean/s.dev and fine-tunin.
• -fine_tune_epochs is the number of epochs to fine tune for
• -epochs is the number of epochs to train for
• -num_seeds is how many times the same code will be executed at different seed values
• -e_chk is the path to the checkpoint file
• -k_adapt is the k-adapter
• -k_epochs is the number of epochs to train the k-adapter
• -family_k is the family to train the k-adapter on
• -tar_norm will apply a transform, should be stand or stand_flops

Misc. Files

We also include some files for making new compute graphs from .pb files and visualizing them.

Making new CGs from .pb files

See make_cg.py
We provide sample .pb files for EfficientNet-b0 and ResNet18.

Visualization of CGs

See visualize_cgs.py
Need graphviz library.
Saves CGs as images which you can then view.
E.g., print pictures for the models we provided .pb files for, then compare to the actual model using Netron.

Bibtex

If you find our data or CG API useful, we kindly ask that you cite our paper:

@inproceedings{mills2023aiop,
  title = {AIO-P: Expanding Neural Performance Predictors Beyond Image Classification},
  author = {Mills, Keith G. and Niu, Di and Salameh, Mohammad and Qiu, Weichen and Han, Fred X. and Liu, Puyuan and Zhang, Jialin and Lu, Wei and Jui, Shangling},
  booktitle={Proceedings of the AAAI Conference on Artificial Intelligence},
  year={2023}
}