{ "experiment": "Track B: Bitrate Sweep", "config": { "k": 10, "n_permutations": 100, "seed": 42, "device": "cuda:2", "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": 8.6006, "s_local": 0.5138, "tau": 0.4052, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.3796, "s_local": 0.514, "tau": 0.4617, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.9645, "s_local": 0.5134, "tau": 0.5698, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.1548, "s_local": 0.5, "tau": 0.6972, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.2893, "s_local": 0.4605, "tau": 0.6736, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.369, "s_local": 0.4044, "tau": 0.5303, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "dinov2_vitl14", "reference_name": "dinov2_vitb14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.9635, "s_local": 0.5138, "tau": 0.8042, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.7532, "s_local": 0.5135, "tau": 0.4444, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.3523, "s_local": 0.5113, "tau": 0.5611, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.5638, "s_local": 0.4959, "tau": 0.7339, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.7283, "s_local": 0.4621, "tau": 0.7706, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.8327, "s_local": 0.4146, "tau": 0.6721, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.5137, "s_global": 0.6823, "lambda_val": 0.7529, "raw_overlap": 0.5147, "null_mean": 0.002, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "dinov2_vitb14", "model_b_name": "dinov2_vitl14", "points": [ { "delta": 0.3626, "tau_a_to_b": 0.4052, "tau_b_to_a": 0.8065, "tai": 0.0316, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 0.5836, "tau_a_to_b": 0.4617, "tau_b_to_a": 0.6979, "tai": 0.0396, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 0.9987, "tau_a_to_b": 0.5698, "tau_b_to_a": 0.4617, "tai": 0.0925, "compression_level": 0.5, "regime": "Convergent" }, { "delta": 1.8084, "tau_a_to_b": 0.6972, "tau_b_to_a": 0.1555, "tai": 0.363, "compression_level": 0.25, "regime": "Convergent" }, { "delta": 2.6739, "tau_a_to_b": 0.6736, "tau_b_to_a": 0.0368, "tai": 0.4956, "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": 8.1057, "s_local": 0.3194, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.0462, "s_local": 0.3197, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.8477, "s_local": 0.3198, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.3236, "s_local": 0.3202, "tau": 0.9843, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.6871, "s_local": 0.317, "tau": 1.0, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.9988, "s_local": 0.3037, "tau": 0.9888, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "resnet101", "reference_name": "resnet50", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.5948, "s_local": 0.3195, "tau": 0.5431, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.5094, "s_local": 0.3195, "tau": 0.6069, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.2593, "s_local": 0.3193, "tau": 0.572, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.6568, "s_local": 0.3177, "tau": 0.4741, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.9564, "s_local": 0.3111, "tau": 0.5595, "downstream_acc": null }, { "level": 0.0625, "bitrate": 6.2038, "s_local": 0.2986, "tau": 0.7375, "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": 0.4883, "tau_a_to_b": 1.0, "tau_b_to_a": 0.5428, "tai": 0.2349, "compression_level": 1.0, "regime": "Convergent" }, { "delta": 0.5478, "tau_a_to_b": 1.0, "tau_b_to_a": 0.4954, "tai": 0.3537, "compression_level": 0.75, "regime": "Convergent" }, { "delta": 0.7463, "tau_a_to_b": 1.0, "tau_b_to_a": 0.3523, "tai": 0.4586, "compression_level": 0.5, "regime": "Convergent" }, { "delta": 1.2704, "tau_a_to_b": 0.9843, "tau_b_to_a": 0.1682, "tai": 0.5393, "compression_level": 0.25, "regime": "Convergent" }, { "delta": 1.9069, "tau_a_to_b": 1.0, "tau_b_to_a": 0.1058, "tai": 0.5916, "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": 6.8409, "s_local": 0.2907, "tau": 0.9405, "downstream_acc": null }, { "level": 0.75, "bitrate": 6.7647, "s_local": 0.2908, "tau": 0.9339, "downstream_acc": null }, { "level": 0.5, "bitrate": 6.5247, "s_local": 0.292, "tau": 0.9253, "downstream_acc": null }, { "level": 0.25, "bitrate": 5.9455, "s_local": 0.2848, "tau": 0.8964, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.242, "s_local": 0.2632, "tau": 0.8118, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.459, "s_local": 0.2208, "tau": 0.7091, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "clip_vitl14", "reference_name": "clip_vitb16", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 7.4424, "s_local": 0.2907, "tau": 0.4683, "downstream_acc": null }, { "level": 0.75, "bitrate": 7.4123, "s_local": 0.2908, "tau": 0.4427, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.1609, "s_local": 0.2909, "tau": 0.4617, "downstream_acc": null }, { "level": 0.25, "bitrate": 6.5562, "s_local": 0.2884, "tau": 0.6475, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.8432, "s_local": 0.2762, "tau": 0.7375, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.0513, "s_local": 0.2477, "tau": 0.7059, "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": 0.6011, "tau_a_to_b": 0.9405, "tau_b_to_a": 0.4698, "tai": 0.0695, "compression_level": 1.0, "regime": "Convergent" }, { "delta": 0.6774, "tau_a_to_b": 0.9339, "tau_b_to_a": 0.5356, "tai": 0.0607, "compression_level": 0.75, "regime": "Convergent" }, { "delta": 0.9174, "tau_a_to_b": 0.9253, "tau_b_to_a": 0.5265, "tai": 0.0815, "compression_level": 0.5, "regime": "Convergent" }, { "delta": 1.4965, "tau_a_to_b": 0.8964, "tau_b_to_a": 0.3365, "tai": 0.2044, "compression_level": 0.25, "regime": "Convergent" }, { "delta": 2.2001, "tau_a_to_b": 0.8118, "tau_b_to_a": 0.1519, "tai": 0.3311, "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": 8.9635, "s_local": 0.0723, "tau": 0.088, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.7532, "s_local": 0.0724, "tau": 0.1048, "downstream_acc": null }, { "level": 0.5, "bitrate": 8.3523, "s_local": 0.0724, "tau": 0.0545, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.5638, "s_local": 0.0724, "tau": 0.029, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.7283, "s_local": 0.0715, "tau": 0.0401, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.8327, "s_local": 0.0683, "tau": 0.0784, "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": 6.5552, "s_local": 0.0723, "tau": 0.0173, "downstream_acc": null }, { "level": 0.75, "bitrate": 6.462, "s_local": 0.0725, "tau": 0.0356, "downstream_acc": null }, { "level": 0.5, "bitrate": 6.2432, "s_local": 0.073, "tau": 0.0283, "downstream_acc": null }, { "level": 0.25, "bitrate": 5.7448, "s_local": 0.0731, "tau": 0.0323, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.168, "s_local": 0.0696, "tau": 0.0342, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.5391, "s_local": 0.0626, "tau": 0.0227, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.0723, "s_global": 0.1615, "lambda_val": 0.4474, "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": 2.4089, "tau_a_to_b": 0.088, "tau_b_to_a": 0.0176, "tai": 0.9228, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 2.1986, "tau_a_to_b": 0.1048, "tau_b_to_a": 0.0571, "tai": 0.9106, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 1.7977, "tau_a_to_b": 0.0545, "tau_b_to_a": 0.0, "tai": 0.9482, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 1.0092, "tau_a_to_b": 0.029, "tau_b_to_a": 0.0, "tai": 0.9729, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 0.1737, "tau_a_to_b": 0.0401, "tau_b_to_a": 0.0011, "tai": 0.9493, "compression_level": 0.125, "regime": "Local-Only" } ] } }, { "pair": "vit_base_patch16_224 <-> resnet50", "model_a": "vit_base_patch16_224", "model_b": "resnet50", "bitrate_sweep": { "model_name": "vit_base_patch16_224", "reference_name": "resnet50", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 7.7697, "s_local": 0.2137, "tau": 0.2532, "downstream_acc": null }, { "level": 0.75, "bitrate": 7.6488, "s_local": 0.2137, "tau": 0.2471, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.3755, "s_local": 0.2143, "tau": 0.2272, "downstream_acc": null }, { "level": 0.25, "bitrate": 6.717, "s_local": 0.2123, "tau": 0.253, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.931, "s_local": 0.2023, "tau": 0.4112, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.0835, "s_local": 0.185, "tau": 0.5903, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "resnet50", "reference_name": "vit_base_patch16_224", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 8.1057, "s_local": 0.2137, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.0462, "s_local": 0.2137, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.8477, "s_local": 0.2137, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.3236, "s_local": 0.214, "tau": 0.9894, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.6871, "s_local": 0.212, "tau": 0.8648, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.9988, "s_local": 0.2044, "tau": 0.8236, "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)." }, 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1.0, "bitrate": 8.6006, "s_local": 0.2241, "tau": 0.0448, "downstream_acc": null }, { "level": 0.75, "bitrate": 8.3796, "s_local": 0.2245, "tau": 0.0351, "downstream_acc": null }, { "level": 0.5, "bitrate": 7.9645, "s_local": 0.2241, "tau": 0.0262, "downstream_acc": null }, { "level": 0.25, "bitrate": 7.1548, "s_local": 0.222, "tau": 0.0227, "downstream_acc": null }, { "level": 0.125, "bitrate": 6.2893, "s_local": 0.2127, "tau": 0.0268, "downstream_acc": null }, { "level": 0.0625, "bitrate": 5.369, "s_local": 0.202, "tau": 0.0388, "downstream_acc": null } ] }, "bitrate_sweep_reverse": { "model_name": "clip_vitb16", "reference_name": "dinov2_vitb14", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 6.8409, "s_local": 0.224, "tau": 1.0, "downstream_acc": null }, { "level": 0.75, "bitrate": 6.7647, "s_local": 0.2242, "tau": 1.0, "downstream_acc": null }, { "level": 0.5, "bitrate": 6.5247, "s_local": 0.2244, "tau": 1.0, "downstream_acc": null }, { "level": 0.25, "bitrate": 5.9455, "s_local": 0.2212, "tau": 0.8323, "downstream_acc": null }, { "level": 0.125, "bitrate": 5.242, "s_local": 0.2052, "tau": 0.6559, "downstream_acc": null }, { "level": 0.0625, "bitrate": 4.459, "s_local": 0.1688, "tau": 0.528, "downstream_acc": null } ] }, "neighborhood_alignment": { "s_local": 0.2241, "s_global": 0.4886, "lambda_val": 0.4587, "raw_overlap": 0.2256, "null_mean": 0.0019, "interpretation": "No meaningful alignment (Collapsed or Divergent regime)." }, "transport_stress_test": { "model_a_name": "dinov2_vitb14", "model_b_name": "clip_vitb16", "points": [ { "delta": 1.7598, "tau_a_to_b": 0.0448, "tau_b_to_a": 1.0, "tai": 0.3956, "compression_level": 1.0, "regime": "Local-Only" }, { "delta": 1.5388, "tau_a_to_b": 0.0351, "tau_b_to_a": 1.0, "tai": 0.417, "compression_level": 0.75, "regime": "Local-Only" }, { "delta": 1.1237, "tau_a_to_b": 0.0262, "tau_b_to_a": 1.0, "tai": 0.3577, "compression_level": 0.5, "regime": "Local-Only" }, { "delta": 0.3139, "tau_a_to_b": 0.0227, "tau_b_to_a": 0.8184, "tai": 0.064, "compression_level": 0.25, "regime": "Local-Only" }, { "delta": 0.5515, "tau_a_to_b": 0.0268, "tau_b_to_a": 0.5208, "tai": 0.2702, "compression_level": 0.125, "regime": "Local-Only" } ] } }, { "pair": "vit_base_patch16_224.mae <-> vit_base_patch16_224", "model_a": "vit_base_patch16_224.mae", "model_b": "vit_base_patch16_224", "bitrate_sweep": { "model_name": "vit_base_patch16_224.mae", "reference_name": "vit_base_patch16_224", "compression_method": "rank_reduction", "points": [ { "level": 1.0, "bitrate": 1.6488, "s_local": 0.0265, "tau": 0.1959, "downstream_acc": null }, { "level": 0.75, "bitrate": 1.647, "s_local": 0.0266, "tau": 0.2023, "downstream_acc": null }, { "level": 0.5, "bitrate": 1.6404, "s_local": 0.0265, "tau": 0.2072, "downstream_acc": null }, { "level": 0.25, "bitrate": 1.617, "s_local": 0.0265, "tau": 0.1751, "downstream_acc": null }, { "level": 0.125, "bitrate": 1.5787, "s_local": 0.0258, "tau": 0.139, 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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": 6.1207, "tau_a_to_b": 0.1959, "tau_b_to_a": 0.0024, "tai": 0.663, "compression_level": 1.0, "regime": "Collapsed" }, { "delta": 6.1225, "tau_a_to_b": 0.2023, "tau_b_to_a": 0.0023, "tai": 0.6768, "compression_level": 0.75, "regime": "Collapsed" }, { "delta": 6.1291, "tau_a_to_b": 0.2072, "tau_b_to_a": 0.0023, "tai": 0.6874, "compression_level": 0.5, "regime": "Collapsed" }, { "delta": 6.1525, "tau_a_to_b": 0.1751, "tau_b_to_a": 0.0022, "tai": 0.6629, "compression_level": 0.25, "regime": "Collapsed" }, { "delta": 6.1908, "tau_a_to_b": 0.139, "tau_b_to_a": 0.002, "tai": 0.6573, "compression_level": 0.125, "regime": "Collapsed" } ] } }, { "pair": "vit_base_patch16_224.mae <-> resnet101", "model_a": "vit_base_patch16_224.mae", "model_b": "resnet101", "bitrate_sweep": { 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