{ "reports": { "bp_s42": { "method_name": "BP", "notes": "4-block d=256 ResMLP, CIFAR-10, seed 42", "residual_norms": [ 251.83087158203125, 226.57342529296875, 212.16461181640625, 205.60723876953125, 205.75946044921875 ], "bp_grad_norms": [ 0.0004396044823806733, 0.0004709330096375197, 0.0004792391264345497, 0.00045345001854002476, 0.0003701267414726317 ], "stability_layer": 2, "cross_batch_stability": 0.09898398886952135, "headline_acc": 0.6149, "frozen_baseline_acc": null, "verdict": "trustworthy", "thresholds": { "g_norm_floor": 1e-07, "h_norm_explosion_ratio": 50.0, "stability_drift_ceiling": 0.3, "frozen_acc_margin_pp": 2.0 } }, "dfa_s42": { "method_name": "DFA", "notes": "4-block d=256 ResMLP, CIFAR-10, seed 42", "residual_norms": [ 35824.796875, 73202040.0, 174312304.0, 339040960.0, 435299520.0 ], "bp_grad_norms": [ 4.39066155877299e-07, 4.1912620041273385e-09, 4.183721813433294e-09, 4.174094847542165e-09, 4.174704582027289e-09 ], "stability_layer": 2, "cross_batch_stability": 0.047060725092887876, "headline_acc": 0.3107, "frozen_baseline_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; deep blocks fail to beat frozen-random baseline", "thresholds": { "g_norm_floor": 1e-07, "h_norm_explosion_ratio": 50.0, "stability_drift_ceiling": 0.3, "frozen_acc_margin_pp": 2.0 } }, "state_bridge_s42": { "method_name": "STATE_BRIDGE", "notes": "4-block d=256 ResMLP, CIFAR-10, seed 42", "residual_norms": [ 906.3201293945312, 11583499.0, 34872504.0, 208111168.0, 228665568.0 ], "bp_grad_norms": [ 8.369566785404459e-06, 1.996277365634569e-09, 1.9812380624983916e-09, 1.8405569290891322e-09, 1.8411722146893794e-09 ], "stability_layer": 2, "cross_batch_stability": 0.99180050028695, "headline_acc": 0.1695, "frozen_baseline_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; BP grad direction is drift-dominated; deep blocks fail to beat frozen-random baseline", "thresholds": { "g_norm_floor": 1e-07, "h_norm_explosion_ratio": 50.0, "stability_drift_ceiling": 0.3, "frozen_acc_margin_pp": 2.0 } }, "credit_bridge_s42": { "method_name": "CREDIT_BRIDGE", "notes": "4-block d=256 ResMLP, CIFAR-10, seed 42", "residual_norms": [ 13249.662109375, 24119914.0, 554824896.0, 548816832.0, 606231552.0 ], "bp_grad_norms": [ 7.185065555859182e-07, 1.1024462454045647e-09, 9.061909000962487e-10, 9.013046420314197e-10, 9.011226209665324e-10 ], "stability_layer": 2, "cross_batch_stability": 0.3516695586343606, "headline_acc": 0.2562, "frozen_baseline_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; BP grad direction is drift-dominated; deep blocks fail to beat frozen-random baseline", "thresholds": { "g_norm_floor": 1e-07, "h_norm_explosion_ratio": 50.0, "stability_drift_ceiling": 0.3, "frozen_acc_margin_pp": 2.0 } }, "ep_s42": { "method_name": "EP", "notes": "4-block d=256 ResMLP, CIFAR-10, seed 42", "residual_norms": [ 518.3867797851562, 579.6542358398438, 680.764892578125, 1145.8692626953125, 3286.841064453125 ], "bp_grad_norms": [ 0.00022257285309024155, 0.00022327345504891127, 0.00021209640544839203, 0.00021204684162512422, 0.00016422539192717522 ], "stability_layer": 2, "cross_batch_stability": -0.03589460700750351, "headline_acc": 0.359, "frozen_baseline_acc": null, "verdict": "trustworthy", "thresholds": { "g_norm_floor": 1e-07, "h_norm_explosion_ratio": 50.0, "stability_drift_ceiling": 0.3, "frozen_acc_margin_pp": 2.0 } } }, "summary": [ { "method": "bp", "seed": 42, "acc": 0.6149, "h_L": 205.75946044921875, "g_L": 0.0003701267414726317, "stability": 0.09898398886952135, "frozen_acc": null, "verdict": "trustworthy" }, { "method": "dfa", "seed": 42, "acc": 0.3107, "h_L": 435299520.0, "g_L": 4.174704582027289e-09, "stability": 0.047060725092887876, "frozen_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; deep blocks fail to beat frozen-random baseline" }, { "method": "state_bridge", "seed": 42, "acc": 0.1695, "h_L": 228665568.0, "g_L": 1.8411722146893794e-09, "stability": 0.99180050028695, "frozen_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; BP grad direction is drift-dominated; deep blocks fail to beat frozen-random baseline" }, { "method": "credit_bridge", "seed": 42, "acc": 0.2562, "h_L": 606231552.0, "g_L": 9.011226209665324e-10, "stability": 0.3516695586343606, "frozen_acc": 0.349, "verdict": "needs walk-back: residual stream exploded; BP grad at numerical floor; BP grad direction is drift-dominated; deep blocks fail to beat frozen-random baseline" }, { "method": "ep", "seed": 42, "acc": 0.359, "h_L": 3286.841064453125, "g_L": 0.00016422539192717522, "stability": -0.03589460700750351, "frozen_acc": null, "verdict": "trustworthy" } ] }