[refactor]: simplify heuristic save-node selection & add Transformer test#11
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jiahy0825 merged 2 commits intoSandAI-org:mainfrom Apr 1, 2026
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🗂️ PR Category
📝 Description
_decide_save_nodepass over the joint graph, replacing twoseparate loops
_primal_contributes_to_bwd_directlybyadding a
visitedset to the BFS worklistSAVE_TENSOR_NODES; track saved nodes locally viaclosure in
custom_joint_graph_partition_fnwith ctx:block for HANDCRAFT and HEURISTIC policiesTransformerConfig,Transformer, and related helpers tomodel_definition.pyfor testing