[2025-11-27 06:45:57] Namespace(method='FedNewton', training_mode='head', dataset='fashionmnist', model_name='resnet18', seed=1, rounds=50, num_clients=10, fraction=0.5, local_epochs=1, batch_size=64, lr=0.01, newton_lr=0.1, sophia_lr=0.05, rho=0.04, betas='0.9,0.99', mu=0.01, log_dir='runs/run_20251127_001404_resnet18_head/fashionmnist/logs', optimizer='sgd', hessian_batches=64, damping=0.0001, alpha=0.1)
[2025-11-27 06:45:57] Start: FedNewton | Mode: head | Dataset: fashionmnist | Device: cuda
[2025-11-27 06:47:58] [Round 001] FedNewton | Acc: 39.31% | Loss: 2.7775 | Time: 19.96s | Max GPU Mem: 1463.29 MB
[2025-11-27 06:48:41] [Round 002] FedNewton | Acc: 40.86% | Loss: 37.5648 | Time: 42.70s | Max GPU Mem: 1463.33 MB
[2025-11-27 06:48:41] Early stopping as test loss is very high.
[2025-11-27 06:48:41] Saved to runs/run_20251127_001404_resnet18_head/fashionmnist/logs/FedNewton_head_fashionmnist_resnet18_s1.npz
