open-mmlab/mmengine

View on GitHub

OpenMMLab Foundational Library for Training Deep Learning Models

Stars: 1.5k
Forks: 464
Open beginner issues: 0
Indexed issues: 177

Dominant language: Python
License: Apache-2.0
Last GitHub push: Jul 13, 2026
Latest indexed: Sep 19, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: good first issue
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

Open All

177 open issues indexed

Security contact needed — no SECURITY.md or private reporting channel Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

open-mmlab/mmengine#1697 · 1 comment · Opened Sep 3, 2026
[Bug] WandbVisBackend can't set the X‑axis to epoch, because LoggerHook does not consistently pass the epoch value Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

open-mmlab/mmengine#1692 · Opened Aug 6, 2026
[Bug] MlflowVisBackend fails due to use of deprecated filesystem store Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

open-mmlab/mmengine#1687 · Opened Jun 24, 2026
[Feature] Inheritance of global variables Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1685 · Opened Jan 18, 2026
[Feature] Support Runtime Dependency Injection in Configs via ObjectHub Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1684 · Opened Jan 12, 2026
[Bug] MLflowVisBackend.add_image fails when image name has no extension Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-mmlab/mmengine#1681 · Opened Jan 9, 2026
[Feature] Add EMA checkpoint Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-mmlab/mmengine#1678 · Opened Nov 16, 2025
[Feature] When to support Pytorch 2.5 and later version? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1667 · 7 comments · Opened Oct 25, 2025
[Feature] compat_config should compare pipelines being replaced for possible config loss Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1666 · Opened Oct 22, 2025
[Bug] ExponentialMovingAverage doesn't work with mmcv.SyncBatchNorm in MMDistributedDataParallel training Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

open-mmlab/mmengine#1664 · 1 comment · Opened Oct 9, 2025
[Docs] import the custom module missing step Open

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

open-mmlab/mmengine#1662 · Opened Sep 1, 2025
[Feature] Fix in InifiniteSampler.__iter__ Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

open-mmlab/mmengine#1649 · Opened Apr 28, 2025
[Docs] Top-level documentation of interdependent features Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1645 · Opened Apr 9, 2025
[Feature] How can Samplers and Datasets outside the framework perceive the existence of epochs when switching epochs? Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1638 · Opened Feb 21, 2025
[Feature Request] Add glob/iglob API for pattern-based file listing across different storage backends Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

open-mmlab/mmengine#1634 · Opened Feb 11, 2025
[Feature] Make advance dataloader optional in iterbased training loop Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1633 · Opened Feb 7, 2025
[Bug] Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1631 · Opened Jan 21, 2025
[Feature] How to build quantized models? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

open-mmlab/mmengine#1630 · Opened Jan 20, 2025
[Bug] convert_sync_batchnorm missing 'training' attribute Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

open-mmlab/mmengine#1624 · Opened Jan 15, 2025
[Docs] What are you all doing with mmagic? Is it dead? Any communication? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

open-mmlab/mmengine#1622 · 5 reactions · Opened Jan 9, 2025
[Feature] support pytorch CosineAnnealingWarmRestarts schedule Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1618 · Opened Dec 25, 2024
[Bug] fail to build with python 3.13 Open

bug

Difficulty 2/5 1-3 hours Newbie friendliness 68/100

open-mmlab/mmengine#1616 · 6 comments · 3 reactions · Opened Dec 23, 2024
[Feature] Checkpoint Logging For Wandb Vis Backend Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

open-mmlab/mmengine#1615 · Opened Dec 18, 2024
[Docs] ProfilerHook 可视化问题 Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

open-mmlab/mmengine#1614 · Opened Dec 13, 2024
[Bug] Strange behavior of the lr_mult Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1612 · 3 comments · Opened Nov 29, 2024
[Bug] KeyError: 'Adafactor is already registered in optimizer at torch.optim' Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

open-mmlab/mmengine#1609 · 1 comment · 7 reactions · Opened Nov 26, 2024
[Feature] Instantiation from config using path to class / function Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1606 · Opened Nov 19, 2024
[Bug] ImportError: dlopen: cannot load any more object with static TLS Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1599 · Opened Nov 2, 2024
[Bug] KeyError: 'ASGD is already registered in optimizer at torch.optim.asgd' (when running pytest) Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1593 · 2 comments · Opened Oct 28, 2024
[Docs] What's wrong with the initialize function in classes Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1592 · Opened Oct 26, 2024
[Bug] CheckpointHook After save_best is set, running val alone will cause an error Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 68/100

open-mmlab/mmengine#1587 · 1 comment · Opened Oct 20, 2024
[Feature] The list type in config does append Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1586 · 1 reaction · Opened Oct 20, 2024
[Feature] Sort out the training process file storage structure Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1585 · Opened Oct 20, 2024
[Feature] Request for Multi-Input Support in BaseModel Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1584 · 1 comment · Opened Oct 15, 2024
[Feature] Support for XPU devices Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1583 · 1 comment · Opened Oct 14, 2024
[Feature] add_scalar in logger_hook for after_test_epoch Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1582 · Opened Oct 5, 2024
[Bug] “please pass a valid scope. ” in the thirdpart project Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

open-mmlab/mmengine#1581 · 1 comment · Opened Oct 4, 2024
[Bug] test suite fails with `...AttributeError: '<SOME_CLASS>' object has no attribute 'runTest'` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1575 · 4 comments · Opened Sep 20, 2024
[Bug] MLflowVisBackend crashed on after_run hook Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 42/100

open-mmlab/mmengine#1574 · 2 comments · Opened Sep 19, 2024
[Feature] Support for torch > 2.1 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

open-mmlab/mmengine#1573 · Opened Sep 18, 2024
[Docs] Is there way to extract model from mmengine back to Pytorch Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1568 · Opened Aug 28, 2024
[Feature] Modifed implementation of BaseDataElement cuda(), cpu(), etc Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

open-mmlab/mmengine#1566 · Opened Aug 19, 2024
[Docs] after resume training, change param_scheduler is no effective Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1565 · 1 comment · Opened Jul 25, 2024
[Feature] Add a parameter for selecting image suffixes in the LocalVisBackend class Open

Difficulty 2/5 1-3 hours Newbie friendliness 48/100

open-mmlab/mmengine#1563 · Opened Jul 20, 2024
[Docs] A100算力加持！书生大模型实战营第3期全面升级，趣味闯关模式等你开启 Open

Difficulty 1/5 Under an hour Newbie friendliness 15/100

open-mmlab/mmengine#1562 · Opened Jul 16, 2024
What parameters are supported by save best Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

open-mmlab/mmengine#1560 · 2 comments · Opened Jul 10, 2024
[Bug] `misaligned address` during in `SyncBuffersHook` all_reduce when using bf16 with deepspeed Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1557 · 1 comment · Opened Jun 17, 2024
[Bug] KeyError: 'SentryFishVideo3Dataset is not in the __main__::datasets registry. Please check whether the value of `SentryFishVideo3Dataset` is correct or it was registered as expected. More details can be found at https://mmengine.readthedocs.io/en/latest/advanced_tutorials/config.html#import-the-custom-module' Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

open-mmlab/mmengine#1556 · Opened Jun 14, 2024
[Feature] 支持VisualDL可视化分析工具 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

open-mmlab/mmengine#1555 · Opened Jun 7, 2024
[Docs] 分布式训练和GPU的选择能不能在配置文件中读取？ Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

open-mmlab/mmengine#1549 · Opened May 24, 2024

open-mmlab/mmengine

Get new issues in your inbox