openmim
Advanced tools
MIM provides a unified interface for launching and installing OpenMMLab projects and their extensions, and managing the OpenMMLab model zoo.
Package Management
You can use MIM to manage OpenMMLab codebases, install or uninstall them conveniently.
Model Management
You can use MIM to manage OpenMMLab model zoo, e.g., download checkpoints by name, search checkpoints that meet specific criteria.
Unified Entrypoint for Scripts
You can execute any script provided by all OpenMMLab codebases with unified commands. Train, test and inference become easier than ever. Besides, you can use gridsearch command for vanilla hyper-parameter search.
This project is released under the Apache 2.0 license.
v0.1.1 was released in 13/6/2021.
You can use .mimrc for customization. Now we support customize default values of each sub-command. Please refer to customization.md for details.
We provide some examples of how to build custom projects based on OpenMMLAB codebases and MIM in MIM-Example. Without worrying about copying codes and scripts from existing codebases, users can focus on developing new components and MIM helps integrate and run the new project.
Please refer to installation.md for installation.
command
# install latest version of mmcv-full
> mim install mmcv-full # wheel
# install 1.5.0
> mim install mmcv-full==1.5.0
# install latest version of mmcls
> mim install mmcls
# install master branch
> mim install git+https://github.com/open-mmlab/mmclassification.git
# install local repo
> git clone https://github.com/open-mmlab/mmclassification.git
> cd mmclassification
> mim install .
# install extension based on OpenMMLab
mim install git+https://github.com/xxx/mmcls-project.git
api
from mim import install
# install mmcv
install('mmcv-full')
# install mmcls will automatically install mmcv if it is not installed
install('mmcls')
# install extension based on OpenMMLab
install('git+https://github.com/xxx/mmcls-project.git')
command
# uninstall mmcv
> mim uninstall mmcv-full
# uninstall mmcls
> mim uninstall mmcls
api
from mim import uninstall
# uninstall mmcv
uninstall('mmcv-full')
# uninstall mmcls
uninstall('mmcls')
command
> mim list
> mim list --all
api
from mim import list_package
list_package()
list_package(True)
command
> mim search mmcls
> mim search mmcls==0.23.0 --remote
> mim search mmcls --config resnet18_8xb16_cifar10
> mim search mmcls --model resnet
> mim search mmcls --dataset cifar-10
> mim search mmcls --valid-field
> mim search mmcls --condition 'batch_size>45,epochs>100'
> mim search mmcls --condition 'batch_size>45 epochs>100'
> mim search mmcls --condition '128<batch_size<=256'
> mim search mmcls --sort batch_size epochs
> mim search mmcls --field epochs batch_size weight
> mim search mmcls --exclude-field weight paper
api
from mim import get_model_info
get_model_info('mmcls')
get_model_info('mmcls==0.23.0', local=False)
get_model_info('mmcls', models=['resnet'])
get_model_info('mmcls', training_datasets=['cifar-10'])
get_model_info('mmcls', filter_conditions='batch_size>45,epochs>100')
get_model_info('mmcls', filter_conditions='batch_size>45 epochs>100')
get_model_info('mmcls', filter_conditions='128<batch_size<=256')
get_model_info('mmcls', sorted_fields=['batch_size', 'epochs'])
get_model_info('mmcls', shown_fields=['epochs', 'batch_size', 'weight'])
command
> mim download mmcls --config resnet18_8xb16_cifar10
> mim download mmcls --config resnet18_8xb16_cifar10 --dest .
api
from mim import download
download('mmcls', ['resnet18_8xb16_cifar10'])
download('mmcls', ['resnet18_8xb16_cifar10'], dest_root='.')
command
# Train models on a single server with CPU by setting `gpus` to 0 and
# 'launcher' to 'none' (if applicable). The training script of the
# corresponding codebase will fail if it doesn't support CPU training.
> mim train mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 0
# Train models on a single server with one GPU
> mim train mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 1
# Train models on a single server with 4 GPUs and pytorch distributed
> mim train mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 4 \
--launcher pytorch
# Train models on a slurm HPC with one 8-GPU node
> mim train mmcls resnet101_b16x8_cifar10.py --launcher slurm --gpus 8 \
--gpus-per-node 8 --partition partition_name --work-dir tmp
# Print help messages of sub-command train
> mim train -h
# Print help messages of sub-command train and the training script of mmcls
> mim train mmcls -h
api
from mim import train
train(repo='mmcls', config='resnet18_8xb16_cifar10.py', gpus=0,
other_args='--work-dir tmp')
train(repo='mmcls', config='resnet18_8xb16_cifar10.py', gpus=1,
other_args='--work-dir tmp')
train(repo='mmcls', config='resnet18_8xb16_cifar10.py', gpus=4,
launcher='pytorch', other_args='--work-dir tmp')
train(repo='mmcls', config='resnet18_8xb16_cifar10.py', gpus=8,
launcher='slurm', gpus_per_node=8, partition='partition_name',
other_args='--work-dir tmp')
command
# Test models on a single server with 1 GPU, report accuracy
> mim test mmcls resnet101_b16x8_cifar10.py --checkpoint \
tmp/epoch_3.pth --gpus 1 --metrics accuracy
# Test models on a single server with 1 GPU, save predictions
> mim test mmcls resnet101_b16x8_cifar10.py --checkpoint \
tmp/epoch_3.pth --gpus 1 --out tmp.pkl
# Test models on a single server with 4 GPUs, pytorch distributed,
# report accuracy
> mim test mmcls resnet101_b16x8_cifar10.py --checkpoint \
tmp/epoch_3.pth --gpus 4 --launcher pytorch --metrics accuracy
# Test models on a slurm HPC with one 8-GPU node, report accuracy
> mim test mmcls resnet101_b16x8_cifar10.py --checkpoint \
tmp/epoch_3.pth --gpus 8 --metrics accuracy --partition \
partition_name --gpus-per-node 8 --launcher slurm
# Print help messages of sub-command test
> mim test -h
# Print help messages of sub-command test and the testing script of mmcls
> mim test mmcls -h
api
from mim import test
test(repo='mmcls', config='resnet101_b16x8_cifar10.py',
checkpoint='tmp/epoch_3.pth', gpus=1, other_args='--metrics accuracy')
test(repo='mmcls', config='resnet101_b16x8_cifar10.py',
checkpoint='tmp/epoch_3.pth', gpus=1, other_args='--out tmp.pkl')
test(repo='mmcls', config='resnet101_b16x8_cifar10.py',
checkpoint='tmp/epoch_3.pth', gpus=4, launcher='pytorch',
other_args='--metrics accuracy')
test(repo='mmcls', config='resnet101_b16x8_cifar10.py',
checkpoint='tmp/epoch_3.pth', gpus=8, partition='partition_name',
launcher='slurm', gpus_per_node=8, other_args='--metrics accuracy')
command
# Get the Flops of a model
> mim run mmcls get_flops resnet101_b16x8_cifar10.py
# Publish a model
> mim run mmcls publish_model input.pth output.pth
# Train models on a slurm HPC with one GPU
> srun -p partition --gres=gpu:1 mim run mmcls train \
resnet101_b16x8_cifar10.py --work-dir tmp
# Test models on a slurm HPC with one GPU, report accuracy
> srun -p partition --gres=gpu:1 mim run mmcls test \
resnet101_b16x8_cifar10.py tmp/epoch_3.pth --metrics accuracy
# Print help messages of sub-command run
> mim run -h
# Print help messages of sub-command run, list all available scripts in
# codebase mmcls
> mim run mmcls -h
# Print help messages of sub-command run, print the help message of
# training script in mmcls
> mim run mmcls train -h
api
from mim import run
run(repo='mmcls', command='get_flops',
other_args='resnet101_b16x8_cifar10.py')
run(repo='mmcls', command='publish_model',
other_args='input.pth output.pth')
run(repo='mmcls', command='train',
other_args='resnet101_b16x8_cifar10.py --work-dir tmp')
run(repo='mmcls', command='test',
other_args='resnet101_b16x8_cifar10.py tmp/epoch_3.pth --metrics accuracy')
command
# Parameter search on a single server with CPU by setting `gpus` to 0 and
# 'launcher' to 'none' (if applicable). The training script of the
# corresponding codebase will fail if it doesn't support CPU training.
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 0 \
--search-args '--optimizer.lr 1e-2 1e-3'
# Parameter search with on a single server with one GPU, search learning
# rate
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 1 \
--search-args '--optimizer.lr 1e-2 1e-3'
# Parameter search with on a single server with one GPU, search
# weight_decay
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 1 \
--search-args '--optimizer.weight_decay 1e-3 1e-4'
# Parameter search with on a single server with one GPU, search learning
# rate and weight_decay
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 1 \
--search-args '--optimizer.lr 1e-2 1e-3 --optimizer.weight_decay 1e-3 \
1e-4'
# Parameter search on a slurm HPC with one 8-GPU node, search learning
# rate and weight_decay
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 8 \
--partition partition_name --gpus-per-node 8 --launcher slurm \
--search-args '--optimizer.lr 1e-2 1e-3 --optimizer.weight_decay 1e-3 \
1e-4'
# Parameter search on a slurm HPC with one 8-GPU node, search learning
# rate and weight_decay, max parallel jobs is 2
> mim gridsearch mmcls resnet101_b16x8_cifar10.py --work-dir tmp --gpus 8 \
--partition partition_name --gpus-per-node 8 --launcher slurm \
--max-jobs 2 --search-args '--optimizer.lr 1e-2 1e-3 \
--optimizer.weight_decay 1e-3 1e-4'
# Print the help message of sub-command search
> mim gridsearch -h
# Print the help message of sub-command search and the help message of the
# training script of codebase mmcls
> mim gridsearch mmcls -h
api
from mim import gridsearch
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=0,
search_args='--optimizer.lr 1e-2 1e-3',
other_args='--work-dir tmp')
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=1,
search_args='--optimizer.lr 1e-2 1e-3',
other_args='--work-dir tmp')
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=1,
search_args='--optimizer.weight_decay 1e-3 1e-4',
other_args='--work-dir tmp')
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=1,
search_args='--optimizer.lr 1e-2 1e-3 --optimizer.weight_decay'
'1e-3 1e-4',
other_args='--work-dir tmp')
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=8,
partition='partition_name', gpus_per_node=8, launcher='slurm',
search_args='--optimizer.lr 1e-2 1e-3 --optimizer.weight_decay'
' 1e-3 1e-4',
other_args='--work-dir tmp')
gridsearch(repo='mmcls', config='resnet101_b16x8_cifar10.py', gpus=8,
partition='partition_name', gpus_per_node=8, launcher='slurm',
max_workers=2,
search_args='--optimizer.lr 1e-2 1e-3 --optimizer.weight_decay'
' 1e-3 1e-4',
other_args='--work-dir tmp')
We appreciate all contributions to improve mim. Please refer to CONTRIBUTING.md for the contributing guideline.
This project is released under the Apache 2.0 license.
FAQs
MIM Installs OpenMMLab packages
We found that openmim demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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