{ "experiment": "Track B: Bitrate Sweep", "config": { "k": 10, "n_permutations": 50, "seed": 42, "device": "cuda:0", "n_pairs": 8 }, "results": [ { "pair": "dinov2_vitb14 <-> dinov2_vitl14", "model_a": "dinov2_vitb14", "model_b": "dinov2_vitl14", "bitrate_sweep": { "model_name": "dinov2_vitb14", "reference_name": "dinov2_vitl14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 9.3627, "s_local": 0.5137, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 9.0057, "s_local": 0.514, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.4584, "s_local": 0.5133, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.4962, "s_local": 0.4999, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.5239, "s_local": 0.4605, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.5396, "s_local": 0.4044, "tau": 1.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": 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0.3988, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 0.7558, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 1.3031, "tau_a_to_b": 0.0, "tau_b_to_a": 1.0, "tai": 1.0, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 2.2654, "tau_a_to_b": 0.0, "tau_b_to_a": 0.1576, "tai": 1.0, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 3.2377, "tau_a_to_b": 1.0, "tau_b_to_a": 0.0, "tai": 0.9144, "compression_level": 0.125, "regime": "Convergent" } ] } }, { "pair": "resnet50 <-> resnet101", "model_a": "resnet50", "model_b": "resnet101", "bitrate_sweep": { "model_name": "resnet50", "reference_name": "resnet101", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 10.363, "s_local": 0.3194, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 10.1057, "s_local": 0.3197, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 9.6217, "s_local": 0.3198, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 8.7042, "s_local": 0.3202, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 7.7545, "s_local": 0.317, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 6.7991, "s_local": 0.3037, "tau": 1.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "resnet101", "reference_name": "resnet50", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 10.4752, "s_local": 0.3195, "tau": 0.1015, "downstream_acc": null }, { "level": 0.75, "bitrate": 10.1962, "s_local": 0.3195, "tau": 0.2651, "downstream_acc": null }, { "level": 0.5, "bitrate": 9.6932, "s_local": 0.3193, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 8.7623, "s_local": 0.3177, "tau": 1.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 7.8079, "s_local": 0.3111, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 6.847, "s_local": 0.2986, "tau": 1.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.3195, "s_global": 0.7468, "lambda_val": 0.4278, "raw_overlap": 0.3208, "null_mean": 0.002, "interpretation": "Inflated: CKA confounded by scale; local alignment not significant." }, "transport_stress_test": { "model_a_name": "resnet50", "model_b_name": "resnet101", "points": [ { "delta": 0.112, "tau_a_to_b": 1.0, "tau_b_to_a": 0.1073, "tai": 0.816, "compression_level": 1.0, "regime": "Convergent" }, { "delta": 0.3693, "tau_a_to_b": 1.0, "tau_b_to_a": 0.0963, "tai": 0.9704, "compression_level": 0.75, "regime": "Convergent" }, { "delta": 0.8533, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0778, "tai": 1.0, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 1.7708, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0195, "tai": 1.0, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 2.7205, "tau_a_to_b": 1.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.125, "regime": "Convergent" } ] } }, { "pair": "clip_vitb16 <-> clip_vitl14", "model_a": "clip_vitb16", "model_b": "clip_vitl14", "bitrate_sweep": { "model_name": "clip_vitb16", "reference_name": "clip_vitl14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.4655, "s_local": 0.2907, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.2003, "s_local": 0.2908, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.7053, "s_local": 0.292, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 6.7916, "s_local": 0.2848, "tau": 1.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.8464, "s_local": 0.2632, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.8846, "s_local": 0.2208, "tau": 1.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "clip_vitl14", "reference_name": "clip_vitb16", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.9308, "s_local": 0.2907, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.8035, "s_local": 0.2908, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.305, "s_local": 0.2909, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.3828, "s_local": 0.2884, "tau": 1.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.4354, "s_local": 0.2762, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.4714, "s_local": 0.2477, "tau": 1.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.2907, "s_global": 0.7183, "lambda_val": 0.4047, "raw_overlap": 0.2921, "null_mean": 0.002, "interpretation": "Inflated: CKA confounded by scale; local alignment not significant." }, "transport_stress_test": { "model_a_name": "clip_vitb16", "model_b_name": "clip_vitl14", "points": [ { "delta": 0.4651, "tau_a_to_b": 1.0, "tau_b_to_a": 1.0, "tai": 0.3987, "compression_level": 1.0, "regime": "Convergent" }, { "delta": 0.7304, "tau_a_to_b": 1.0, "tau_b_to_a": 1.0, "tai": 0.4038, "compression_level": 0.75, "regime": "Convergent" }, { "delta": 1.2254, "tau_a_to_b": 1.0, "tau_b_to_a": 1.0, "tai": 0.3837, "compression_level": 0.5, "regime": "Convergent" }, { "delta": 2.1391, "tau_a_to_b": 1.0, "tau_b_to_a": 0.902, "tai": 0.4938, "compression_level": 0.25, "regime": "Convergent" }, { "delta": 3.0843, "tau_a_to_b": 1.0, "tau_b_to_a": 0.3763, "tai": 0.5487, "compression_level": 0.125, "regime": "Convergent" } ] } }, { "pair": "dinov2_vitl14 <-> beit_large_patch16_224", "model_a": "dinov2_vitl14", "model_b": "beit_large_patch16_224", "bitrate_sweep": { "model_name": "dinov2_vitl14", "reference_name": "beit_large_patch16_224", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 9.7616, "s_local": 0.0722, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 9.4075, "s_local": 0.0724, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.8634, "s_local": 0.0724, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.905, "s_local": 0.0724, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.9405, "s_local": 0.0715, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.9646, "s_local": 0.0683, "tau": 0.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "beit_large_patch16_224", "reference_name": "dinov2_vitl14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 9.3985, "s_local": 0.0723, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 9.0829, "s_local": 0.0725, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.5684, "s_local": 0.073, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.6361, "s_local": 0.0731, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.6864, "s_local": 0.0697, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.7313, "s_local": 0.0626, "tau": 0.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.0722, "s_global": 0.1615, "lambda_val": 0.4473, "raw_overlap": 0.0741, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "dinov2_vitl14", "model_b_name": "beit_large_patch16_224", "points": [ { "delta": 0.3632, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 0.0092, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 0.535, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 1.4933, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 2.4579, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.125, "regime": "Local-Only" } ] } }, 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0.2138, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 10.1057, "s_local": 0.2137, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 9.6217, "s_local": 0.2137, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 8.7042, "s_local": 0.214, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 7.7545, "s_local": 0.212, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 6.7991, "s_local": 0.2045, "tau": 0.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.2137, "s_global": 0.6391, "lambda_val": 0.3344, "raw_overlap": 0.2153, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "vit_base_patch16_224", "model_b_name": "resnet50", "points": [ { "delta": 1.1965, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 1.5095, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 2.0116, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 2.9403, "tau_a_to_b": 0.0, "tau_b_to_a": 0.976, "tai": 1.0, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 3.9031, "tau_a_to_b": 0.0, "tau_b_to_a": 0.4466, "tai": 1.0, "compression_level": 0.125, "regime": "Local-Only" } ] } }, { "pair": "dinov2_vitb14 <-> clip_vitb16", "model_a": "dinov2_vitb14", "model_b": "clip_vitb16", "bitrate_sweep": { "model_name": "dinov2_vitb14", "reference_name": "clip_vitb16", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 9.3627, "s_local": 0.2241, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 9.0057, "s_local": 0.2245, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.4584, "s_local": 0.2241, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.4962, "s_local": 0.222, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.5239, "s_local": 0.2126, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.5396, "s_local": 0.202, "tau": 0.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "clip_vitb16", "reference_name": "dinov2_vitb14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.4655, "s_local": 0.224, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.2003, "s_local": 0.2242, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.7053, "s_local": 0.2243, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 6.7916, "s_local": 0.2212, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.8464, "s_local": 0.2053, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.8846, "s_local": 0.1688, "tau": 1.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.2241, "s_global": 0.4886, "lambda_val": 0.4586, "raw_overlap": 0.2256, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "dinov2_vitb14", "model_b_name": "clip_vitb16", "points": [ { "delta": 0.8972, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 0.5402, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 0.0071, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 0.0, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 0.9693, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 1.9416, "tau_a_to_b": 0.0, "tau_b_to_a": 0.8671, "tai": 0.528, "compression_level": 0.125, "regime": "Local-Only" } ] } }, { "pair": "vit_base_patch16_224.mae <-> vit_base_patch16_224", "model_a": "vit_base_patch16_224.mae", 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null }, { "level": 0.75, "bitrate": 8.8534, "s_local": 0.0266, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.3512, "s_local": 0.0264, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.4225, "s_local": 0.0263, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.4597, "s_local": 0.0258, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.4838, "s_local": 0.0249, "tau": 0.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.0265, "s_global": 0.1539, "lambda_val": 0.1724, "raw_overlap": 0.0285, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "vit_base_patch16_224.mae", "model_b_name": "vit_base_patch16_224", "points": [ { "delta": 2.1679, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 1.0, "regime": "Divergent" }, { "delta": 2.373, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 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"s_local": 0.0301, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 4.8296, "s_local": 0.0296, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.0489, "s_local": 0.0287, "tau": 0.0, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "resnet101", "reference_name": "vit_base_patch16_224.mae", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 10.4752, "s_local": 0.0303, "tau": 0.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 10.1962, "s_local": 0.0303, "tau": 0.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 9.6932, "s_local": 0.0303, "tau": 0.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 8.7623, "s_local": 0.0306, "tau": 0.0, "downstream_acc": null }, { "level": 0.125, "bitrate": 7.8079, "s_local": 0.0303, "tau": 0.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 6.847, "s_local": 0.0291, "tau": 0.0, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.0302, "s_global": 0.144, "lambda_val": 0.2095, "raw_overlap": 0.0321, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "vit_base_patch16_224.mae", "model_b_name": "resnet101", "points": [ { "delta": 3.4766, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 1.0, "regime": "Divergent" }, { "delta": 3.6817, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.75, "regime": "Divergent" }, { "delta": 4.0694, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.5, "regime": "Divergent" }, { "delta": 4.8399, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.25, "regime": "Divergent" }, { "delta": 5.6454, "tau_a_to_b": 0.0, "tau_b_to_a": 0.0, "tai": 1.0, "compression_level": 0.125, "regime": "Divergent" } ] } } ] }