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Use configured MeshGraphNets training batch size - #754
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2026-08-24T01:30:19
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[google-deepmind/deepmind-research] Use configured MeshGraphNets training batch size (PR #754)
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Could a maintainer review the configured MeshGraphNets training batch size and arrange a fresh approved workflow run? The previous security run ended with no jobs after 30 days, which looks like expired approval. |
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Re: [google-deepmind/deepmind-research] Use configured MeshGraphNets training batch size (PR #754)
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Summary
Apply the per-model
batchsetting in the MeshGraphNets training pipeline.PARAMETERSdefinesbatch=2for the CFD model andbatch=1for the cloth model, anddataset.pyprovidesbatch_datasetto merge graph examples while renumbering cell indices. However,learner()currently never calls that helper, so the configured CFD batch size is ignored and training always consumes one frame at a time.This change passes the preprocessed training dataset through
dataset.batch_dataset(ds, params['batch'])before constructing the iterator. Cloth behavior is unchanged because its configured batch size is 1.Fixes #424.
Validation
The final branch is based on current upstream
master, contains one commit, and changes exactly one line inmeshgraphnets/run_model.py.The change uses the existing
batch_datasetimplementation and the already-defined per-modelbatchparameter. TensorFlow 1.x is not installed in this execution environment, so no runtime training test is claimed.