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library_name: pytorch
---
# DiffPhyCon Jellyfish Checkpoints
Checkpoint archive for the 2D Jellyfish DiffPhyCon reproduction and Flow
Matching experiments.
## Contents
- `official/joint_full/model-100.pt`: released joint DDPM checkpoint.
- `official/w_full/model-50.pt`: released opening-angle prior checkpoint.
- `official/force_surrogate_model/force_model_epoch_9.pth`: released force surrogate.
- `official/boundary_updater/boundary_updater_epoch_9.pth`: released boundary updater.
- `flow_matching/joint_7ch/joint_step10000.pt` through
`joint_step160000.pt`: the complete saved 7-channel Jellyfish Flow Matching
joint-model training series, at 10,000-step intervals.
- `flow_matching/joint_7ch/joint_latest.pt`: the latest saved joint checkpoint
(corresponding to the 160,000-step training state).
- `flow_matching/joint_7ch/SHA256SUMS`: integrity checksums for the Flow
Matching joint checkpoints.
- `flow_matching/prior_7ch/prior_step10000.pt` through
`prior_step70000.pt`: the complete saved 7-channel Jellyfish Flow Matching
control-prior training series, at 10,000-step intervals.
- `flow_matching/prior_7ch/prior_latest.pt`: the latest saved prior checkpoint
(corresponding to the 70,000-step training state).
- `flow_matching/prior_7ch/SHA256SUMS`: integrity checksums for the Flow
Matching prior checkpoints.
The Flow Matching files retain the model, EMA model, optimizer, scheduler,
configuration, and training-step state needed for inference and training
resumption. Intermediate checkpoints are intentionally retained for exact
experiment recovery and checkpoint-selection studies.
Do not confuse the official DDPM control prior at
`official/w_full/model-50.pt` with the separately trained Flow Matching prior
under `flow_matching/prior_7ch/`.
## Provenance
The files under `official/` were released by the authors of
[DiffPhyCon](https://github.com/AI4Science-WestlakeU/diffphycon). The files
under `flow_matching/` are checkpoints produced by the Flow Matching
implementation in this project.
This repository is published for reproducible research with explicit separation
between the original DiffPhyCon releases and the Flow Matching checkpoints
produced by this project.
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