feat: shared_analysis_state feature example for FactorGraphModel shared state#69
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…ed state Add a feature tutorial demonstrating the cross-factor shared-state mechanism (PyAutoFit #1308) on the 1D Gaussian toy, plus a features/README.md entry. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Summary
Adds a feature example demonstrating the
FactorGraphModelcross-factor shared-state mechanism (PyAutoFit #1308) on the 1D Gaussian toy. When the entire model is shared across a graph's factors the model data is identical for every factor, so the example opts intoshare_model_data=Trueand the model data is computed once per likelihood evaluation and reused, instead of being rebuilt by each factor. This is the 1D analog of the lensing datacube that motivated the feature.Scripts Changed
scripts/features/shared_analysis_state.py— new feature tutorial: builds a fully-shared 3-Gaussian factor graph, opts intoAnalysis.share_model_data/shared_state_from, and explains when sharing is valid (contrasting withgraphical_models.py, which shares onlycentre).scripts/features/README.md— added an entry for the new example.Upstream PR
PyAutoLabs/PyAutoFit#1308
Test Plan
PYAUTO_TEST_MODE=1🤖 Generated with Claude Code