[2025-11-27 06:46:52] Namespace(method='FedNewton', training_mode='head', dataset='fashionmnist', model_name='resnet18', seed=2, 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 06:46:52] Start: FedNewton | Mode: head | Dataset: fashionmnist | Device: cuda
[2025-11-27 06:49:05] [Round 001] FedNewton | Acc: 71.38% | Loss: 0.9423 | Time: 40.41s | Max GPU Mem: 1463.29 MB
[2025-11-27 06:49:32] [Round 002] FedNewton | Acc: 76.41% | Loss: 1.0226 | Time: 26.84s | Max GPU Mem: 1463.33 MB
[2025-11-27 06:49:59] [Round 003] FedNewton | Acc: 76.24% | Loss: 0.9675 | Time: 27.69s | Max GPU Mem: 1463.37 MB
[2025-11-27 06:50:25] [Round 004] FedNewton | Acc: 70.81% | Loss: 2.0181 | Time: 25.54s | Max GPU Mem: 1463.39 MB
[2025-11-27 06:50:56] [Round 005] FedNewton | Acc: 55.14% | Loss: 6.5455 | Time: 30.67s | Max GPU Mem: 1463.39 MB
[2025-11-27 06:51:59] [Round 006] FedNewton | Acc: 55.53% | Loss: 11.3012 | Time: 63.16s | Max GPU Mem: 1463.39 MB
[2025-11-27 06:51:59] Early stopping as test loss is very high.
[2025-11-27 06:51:59] Saved to runs/run_20251127_001404_resnet18_head/fashionmnist/logs/FedNewton_head_fashionmnist_resnet18_s2.npz
