This repository contains the codebase for the paper Continual Learning via Local Module Composition.
Setting up the environemnt
Create a new conda environment and install the requirements.
conda create --name ENV python=3.7
conda activate ENV
pip install -r requirements.txt
pip install -e Utils/ctrl/
pip install Utils/nngeometry/
CTrL Benchmark
All experiments were run on Nvidia Quadro RTX 8000 GPUs. To run CTrL experiments use the following comands for different streams:
Stream S-
LMC (task agnostic)
python main_transfer.py --activate_after_str_oh=0 --momentum_bn 0.1 --track_running_stats_bn 1 --pr_name lmc_cr --shuffle_test 0 --init_oh=none --task_sequence s_minus --momentum_bn_decoder=0.1 --activation_structural=sigmoid --deviation_threshold=4 --depth=4 --epochs=100 --fix_layers_below_on_addition=0 --hidden_size=64 --lr=0.001 --mask_str_loss=1 --module_init=mean --multihead=gated_linear --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=20 --reg_factor=10 --running_stats_steps=100 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --temp=0.1 --wdecay=0.001
(test acc. 0.6863, 15 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --pr_name lmc_cr --copy_batchstats 1 --track_running_stats_bn 1 --task_sequence s_minus --gating MNTDP --shuffle_test 0 --epochs 100 --lr 1e-3 --wdecay 1e-3
(test acc. 0.667, 12 modules)
Stream S+
LMC
python main_transfer.py --activate_after_str_oh=0 --activation_structural=sigmoid --deviation_threshold=1.5 --early_stop_complete=0 --pr_name lmc_cr --epochs=100 --epochs_str_only_after_addition=1 --hidden_size=64 --init_oh=none --init_runingstats_on_addition=1 --keep_bn_in_eval_after_freeze=1 --lr=0.001 --module_init=most_likely --momentum_bn=0.1 --momentum_bn_decoder=0.1 --multihead=gated_linear --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=5 --reg_factor=10 --running_stats_steps=100 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --task_sequence=s_plus --temp=1 --wdecay=0.001
(test acc. 0.6244, 22 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --pr_name lmc_cr --copy_batchstats 1 --track_running_stats_bn 1 --task_sequence s_plus --gating MNTDP --shuffle_test 0 --epochs 100 --lr 1e-3 --wdecay 1e-3 --regenerate_seed 0
(test acc. 0.609, 18 modules)
Stream Sin
LMC
python main_transfer.py --activate_after_str_oh=0 --momentum_bn 0.1 --track_running_stats_bn 1 --pr_name lmc_cr --shuffle_test 0 --init_oh=none --task_sequence s_in --momentum_bn_decoder=0.1 --activation_structural=sigmoid --deviation_threshold=4 --depth=4 --epochs=100 --fix_layers_below_on_addition=0 --hidden_size=64 --lr=0.001 --mask_str_loss=1 --module_init=most_likely --multihead=gated_linear --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=20 --reg_factor=10 --running_stats_steps=100 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --temp=0.1 --wdecay=0.001
(test acc. 0.7081, 21 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --pr_name lmc_cr --copy_batchstats 1 --track_running_stats_bn 1 --task_sequence s_in --gating MNTDP --shuffle_test 0 --epochs 100 --lr 1e-3 --wdecay 1e-3 --regenerate_seed 0
(test acc. 0.6646, 15 modules)
Stream Sout
LMC
python main_transfer.py --activate_after_str_oh=0 --momentum_bn 0.1 --track_running_stats_bn 1 --pr_name lmc_cr --shuffle_test 0 --init_oh=none --task_sequence s_out --momentum_bn_decoder=0.1 --activation_structural=sigmoid --deviation_threshold=4 --depth=4 --epochs=100 --fix_layers_below_on_addition=0 --hidden_size=64 --lr=0.001 --mask_str_loss=1 --module_init=mean --multihead=gated_linear --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=20 --reg_factor=10 --running_stats_steps=100 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --temp=0.1 --wdecay=0.001
(test acc. 0.5849, 15 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --pr_name lmc_cr --copy_batchstats 1 --track_running_stats_bn 1 --task_sequence s_out --gating MNTDP --shuffle_test 0 --epochs 100 --lr 1e-3 --wdecay 0 --regenerate_seed 0
(test acc. 0.6567, 11 modules)
Stream Spl
LMC
python main_transfer.py --activate_after_str_oh=0 --activation_structural=sigmoid --pr_name lmc_cr --deviation_threshold=1.5 --early_stop_complete=0 --epochs=100 --hidden_size=64 --init_oh=none --init_runingstats_on_addition=0 --keep_bn_in_eval_after_freeze=1 --lr=0.001 --module_init=most_likely --momentum_bn=0.1 --momentum_bn_decoder=0.1 --multihead=gated_linear --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=10 --reg_factor=10 --running_stats_steps=100 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --task_sequence=s_pl --temp=1 --regenerate_seed 0 --wdecay=0.001
(test acc. 0.6241, 19 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --pr_name lmc_cr --copy_batchstats 1 --track_running_stats_bn 1 --task_sequence s_pl --gating MNTDP --shuffle_test 0 --epochs 100 --lr 1e-3 --wdecay 1e-4 --regenerate_seed 0
(test acc. 0.6391, 18 modules)
Stream Slong30 -- 30 tasks
LMC (task aware)
python main_transfer.py --activate_after_str_oh=0 --activation_structural=sigmoid --deviation_threshold=1.5 --epochs=50 --hidden_size=64 --init_oh=none --keep_bn_in_eval_after_freeze=1 --lr=0.001 --module_init=most_likely --momentum_bn_decoder=0.1 --multihead=gated_linear --n_tasks=100 --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=5 --reg_factor=1 --running_stats_steps=50 --seed=180 --str_prior_factor=1 --str_prior_temp=0.01 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=0 --task_sequence=s_long30 --temp=1 --wdecay=0.001
(test acc. 62.44, 50 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --epochs=50 --hidden_size=64 --lr=0.001 --module_init=most_likely --multihead=gated_linear --n_tasks=100 --seed=180 --task_sequence=s_long30 --wdecay=0.001
(test acc. 64.58, 64 modules)
Stream Slong -- 100 tasks
LMC (task aware)
python main_transfer.py --activate_after_str_oh=0 --activation_structural=sigmoid --deviation_threshold=4 --epochs=100 --hidden_size=64 --init_oh=none --keep_bn_in_eval_after_freeze=1 --lr=0.001 --module_init=most_likely --momentum_bn_decoder=0.1 --multihead=gated_linear --n_tasks=100 --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=5 --reg_factor=1 --running_stats_steps=50 --seed=180 --str_prior_factor=1 --str_prior_temp=0.01 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=0 --task_sequence=s_long --temp=1 --pr_name s_long_cr --wdecay=0
(test acc. 63.88, 32 modules)
MNTDP (task aware)
python main_transfer_mntdp.py --momentum_bn 0.1 --n_tasks 100 --hidden_size 64 --searchspace topdown --keep_bn_in_eval_after_freeze 1 --pr_name s_long_cr --copy_batchstats 1 --track_running_stats_bn 1 --wand_notes correct_MNTDP --task_sequence s_long --gating MNTDP --shuffle_test 0 --epochs 50 --lr 1e-3 --wdecay 1e-3
(test acc. 68.92, 142 modules)
OOD generalization experiments
LMC
python main_transfer.py --regenerate_seed 0 --deviation_threshold=8 --epochs=50 --pr_name lmc_cr --hidden_size=64 --keep_bn_in_eval_after_freeze=0 --lr=0.001 --module_init=none --momentum_bn_decoder=0.1 --normalize_data=1 --optmize_structure_only_free_modules=0 --projection_phase_length=10 --no_projection_phase 0 --reg_factor=10 --running_stats_steps=1000 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=linear_no_act --task_sequence=s_ood --temp=1 --wdecay=0 --task_agnostic_test=0
EWC
python main_transfer.py --epochs=50 --ewc=1000 --hidden_size=256 --keep_bn_in_eval_after_freeze=0 --lr=0.001 --module_init=none --pr_name lmc_cr --multihead=usual --normalize_data=1 --task_sequence=s_ood --use_structural=0 --wdecay=0 --projection_phase_length=0
MNTDP
python main_transfer_mntdp.py --epochs=50 --regenerate_seed 0 --hidden_size=64 --keep_bn_in_eval_after_freeze=0 --pr_name lmc_cr --lr=0.01 --module_init=none --multihead=usual --normalize_data=1 --task_sequence=s_ood --use_structural=0 --wdecay=0
LMC (no projetion)
python main_transfer.py --regenerate_seed 0 --deviation_threshold=8 --epochs=50 --pr_name lmc_cr --hidden_size=64 --keep_bn_in_eval_after_freeze=0 --lr=0.001 --module_init=none --momentum_bn_decoder=0.1 --normalize_data=1 --optmize_structure_only_free_modules=0 --projection_phase_length=0 --no_projection_phase 1 --reg_factor=10 --running_stats_steps=1000 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=linear_no_act --task_sequence=s_ood --temp=1 --wdecay=0
Plug and play (combining independently trained modular learners)
python main_plug_and_play.py --activate_after_str_oh=0 --activation_structural=sigmoid --deviation_threshold=1.5 --early_stop_complete=0 --epochs=100 --epochs_str_only_after_addition=1 --pr_name lmc_cr --hidden_size=64 --init_oh=none --init_runingstats_on_addition=1 --keep_bn_in_eval_after_freeze=1 --lr=0.001 --module_init=mean --momentum_bn=0.1 --momentum_bn_decoder=0.1 --multihead=gated_linear --n_tasks=3 --normalize_oh=1 --optmize_structure_only_free_modules=1 --projection_layer_oh=0 --projection_phase_length=5 --reg_factor=10 --running_stats_steps=10 --str_prior_factor=1 --str_prior_temp=0.1 --structure_inv=ae --structure_inv_oh=linear_no_act --task_agnostic_test=1 --task_sequence=s_pnp_comp --temp=1 --wdecay=0.001
A list of hyperparameters used for other baselines can be found in the baselines.txt file.
42 Dec 27, 2022
264 Jan 01, 2023
76 Dec 05, 2022
15 May 21, 2022
61 Nov 25, 2022
113 Dec 24, 2022
140 Dec 04, 2022
302 Dec 23, 2022
0 Jan 04, 2022
134 Dec 08, 2022
106 Dec 14, 2022
4 Nov 30, 2021
51 Dec 01, 2022
5 Jun 08, 2022
11 Oct 22, 2022
57 Nov 14, 2022
464 Dec 19, 2022
136 Dec 08, 2022
6 Sep 08, 2022
3 Mar 08, 2022