The official implementation of HiDe-Prompt (NeurIPS 2023, Spotlight) and its generalized version.
In this work, we reveal that the current prompt-based continual learning strategies fall short of their full potential under the more realistic self-supervised pre-training, which is essential for handling vast quantities of unlabeled data in practice. This is largely due to the difficulty of task-specific knowledge being incorporated into instructed representations via prompt parameters and predicted by uninstructed representations at test time. To overcome the exposed sub-optimality, we conduct a theoretical analysis of the continual learning objective in the context of pre-training, and decompose it into hierarchical components: within-task prediction, task-identity inference, and task-adaptive prediction. Following these empirical and theoretical insights, we propose Hierarchical Decomposition (HiDe-)Prompt, an innovative approach that explicitly optimizes the hierarchical components with an ensemble of task-specific prompts and statistics of both uninstructed and instructed representations, further with the coordination of a contrastive regularization strategy. Our extensive experiments demonstrate the superior performance of HiDe-Prompt and its robustness to pre-training paradigms in continual learning.
- Python 3.6+
pip install -r requirements.txt
Our code has been tested on four datasets: CIFAR-100, ImageNet-R, 5-Datasets, and CUB-200:
- CIFAR-100
- Imagenet-R
- 5-Datasets (including SVHN, MNIST, CIFAR10, NotMNIST, FashionMNIST)
- CUB-200
We incorporated the following supervised and self-supervised checkpoints as backbones:
Please download the self-supervised checkpoints and put them in the /checkpoints/{checkpoint_name} directory.
To reproduce the results mentioned in our paper, execute the training script in /training_script/{train_{dataset}_{backbone}.sh}. e.g.
- HiDe-Prompt: if you want to train the continual learning model on CIFAR-100 with the ViT-B-16 checkpoint used as the backbone, you can execute the following command:
python -m torch.distributed.launch \
--nproc_per_node=8 \
--use_env main.py \
cifar100_hideprompt_5e \
--original_model vit_base_patch16_224 \
--model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets/ \
--output_dir ./output/cifar100_sup21k_multi_centroid_mlp_2_seed$seed \
--epochs 20 \
--sched constant \
--seed $seed \
--train_inference_task_only \
--lr 0.0005
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29501' \
--use_env main.py \
cifar100_hideprompt_5e \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--epochs 50 \
--data-path ./datasets \
--ca_lr 0.005 \
--crct_epochs 30 \
--seed $seed \
--prompt_momentum 0.01 \
--reg 0.1 \
--length 5 \
--sched step \
--larger_prompt_lr \
--trained_original_model ./output/cifar100_sup21k_multi_centroid_mlp_2_seed$seed \
--output_dir ./output/cifar100_vit_pe_seed$seed
- Dual-Prompt/S-Prompt/L2P: if you want to train the continual learning model on CIFAR-100 with the ViT-B-16 checkpoint used as the backbone, you can execute the following command:
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29503' \
--use_env main.py \
cifar100_l2p \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output \
--seed 42 \
--epochs 5
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29503' \
--use_env main.py \
cifar100_sprompt_5e \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output \
--seed 42 \
--epochs 40
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29503' \
--use_env main.py \
cifar100_dualprompt \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output \
--seed 42 \
--epochs 40
- HiDe-LoRA: if you want to train the continual learning model on CIFAR-100 with the ViT-B-16 checkpoint used as the backbone, you can execute the following command:
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29510' \
--use_env main.py \
cifar100_continual_lora \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path /home/xiejingyi/data \
--output_dir ./output/cifar_vit_continual_lora_seed42 \
--seed 42 \
--epochs 20 \
--lr 0.01 \
--lora_type continual \
--num_tasks 10 \
--lora_rank 8
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29510' \
--use_env main.py \
cifar100_hidelora \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path /home/xiejingyi/data \
--output_dir ./output/cifar_vit_hidelora_seed42 \
--seed 42 \
--epochs 20 \
--lr 0.01 \
--lora_type hide \
--num_tasks 10 \
--trained_original_model ./output/cifar_vit_continual_lora_seed42 \
--lora_rank 8
- Few-Shot-LoRA: if you want to test the few-shot learning ability of up-stream LoRA, you can use the following command:
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29500' \
--use_env fsl.py \
imr_few_shot_lora \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output/ \
--seed 42 \
--epochs 50 \
--lr 0.01 \
--lora_type hide \
--num_tasks 8 \
--fs_backbone vanilla \
--train_vanilla \
--vanilla_model_output_dir ./output/imr_vit_vanilla_model \
--shared_model_output_dir ./output/imr_vit_shared_model \
--lora_rank 8
python -m torch.distributed.launch \
--nproc_per_node=8 \
--master_port='29500' \
--use_env fsl.py \
imr_few_shot_lora \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output/ \
--seed 42 \
--epochs 50 \
--lr 0.01 \
--lora_type hide \
--num_tasks 8 \
--fs_backbone shared \
--train_shared \
--vanilla_model_output_dir ./output/imr_vit_vanilla_model \
--shared_model_output_dir ./output/imr_vit_shared_model \
--lora_rank 8
python -m torch.distributed.launch \
--nproc_per_node=1 \
--master_port='29500' \
--use_env fsl.py \
imr_few_shot_lora \
--model vit_base_patch16_224 \
--original_model vit_base_patch16_224 \
--batch-size 24 \
--data-path ./datasets \
--output_dir ./output/ \
--seed 42 \
--epochs 50 \
--lr 0.01 \
--lora_type hide \
--num_tasks 8 \
--num_fs_epochs 50 \
--num_shots 5 \
--train_few_shot \
--fs_backbone shared \
--num_episodes 50 \
--vanilla_model_output_dir ./output/imr_vit_vanilla_model \
--shared_model_output_dir ./output/imr_vit_shared_model \
--lora_rank 8
If you encounter any issues or have any questions, please let us know.
This repository is developed mainly based on the PyTorch implementation of Dual-Prompt. Many thanks to its contributors!
If you find this code helpful to your work, please cite our paper:
@article{wang2023hide,
title={Hierarchical Decomposition of Prompt-Based Continual Learning: Rethinking Obscured Sub-optimality},
author={Wang, Liyuan and Xie, Jingyi and Zhang, Xingxing and Huang, Mingyi and Su, Hang and Zhu, Jun},
journal={Advances in Neural Information Processing Systems},
year={2023}
}
@article{wang2023towards,
title={Towards a General Framework for Continual Learning with Pre-training},
author={Wang, Liyuan and Xie, Jingyi and Zhang, Xingxing and Su, Hang and Zhu, Jun},
journal={arXiv preprint arXiv:2310.13888},
year={2023}
}
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