add experiments

experiments/config_64.yaml

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+# lightning.pytorch==2.5.5
+seed_everything: 1999
+trainer:
+  accelerator: gpu
+  strategy: auto
+  devices: 1
+  num_nodes: 1
+  precision: null
+  logger:
+    - class_path: lightning.pytorch.loggers.TensorBoardLogger
+      init_args:
+        save_dir: lightning_logs
+        name: "64"
+        version: null
+  callbacks:
+    - class_path: lightning.pytorch.callbacks.ModelCheckpoint
+      init_args:
+        monitor: val/loss
+        mode: min
+        save_top_k: 1
+        filename: best-checkpoint
+    - class_path: lightning.pytorch.callbacks.EarlyStopping
+      init_args:
+        monitor: val/loss
+        mode: min
+        patience: 15
+        verbose: false
+  max_epochs: 1000
+  min_epochs: null
+  max_steps: -1
+  min_steps: null
+  overfit_batches: 0.0
+  log_every_n_steps: null
+  inference_mode: true
+  default_root_dir: null
+  accumulate_grad_batches: 6
+  gradient_clip_val: 1.0
+
+model: 
+  class_path: ThermalSolver.module.GraphSolver
+  init_args:
+    model_class_path: ThermalSolver.model.local_gno.GatingGNO
+    model_init_args:
+      x_ch_node: 1 
+      f_ch_node: 1 
+      hidden: 16
+      layers: 64
+      edge_ch: 3 
+      out_ch: 1
+    unrolling_steps: 1
+data: 
+  class_path: ThermalSolver.data_module.GraphDataModule
+  init_args:
+    hf_repo: "SISSAmathLab/thermal-conduction"
+    split_name: "2000"
+    batch_size: 4
+    train_size: 0.8
+    test_size: 0.1
+    test_size: 0.1
+optimizer: null
+lr_scheduler: null
+# ckpt_path: lightning_logs/64/version_0/checkpoints/best-checkpoint.ckpt
+ckpt_path: null