{ "format": "gemma4-pmra-orbitquant-policy-v1", "created_utc": "2026-05-14T01:13:53.078680+00:00", "base_model": "google/gemma-4-E2B-it", "source_result": "C:\\Users\\power\\Documents\\Codex\\2026-05-12\\i-m-on-a-mission-to\\orbitquant\\results\\modal_gemma4_pmra_orbit_stack_trim128_safe3_latest.json", "source_profile": "trim128_safe3", "static_weight_state": { "method": "PMRA", "variant": "c2_calib_knapsack_mixed", "payload_bpw": 5.32661328956758, "payload_bytes": 3094396044 }, "selected_policy": { "name": "safe3", "total_buses": 10, "kv_layers": [ { "layer": 33, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 28, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 30, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 16, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 18, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 11, "bits": 3, "rotation": "hadamard", "alpha": 0.75 }, { "layer": 15, "bits": 3, "rotation": "hadamard", "alpha": 0.75 } ], "mlp_choices": [ { "layer": 20, "bits": 2, "primitive": "plus", "rotation": "preperm_activation_max_hadamard", "alpha": 0.375, "block_size": 512 }, { "layer": 19, "bits": 2, "primitive": "plus", "rotation": "preperm_activation_max_hadamard", "alpha": 0.375, "block_size": 512 }, { "layer": 6, "bits": 2, "primitive": "plus", "rotation": "preperm_boundary_rms_hadamard", "alpha": 0.375, "block_size": 512 } ] }, "evaluation": { "tokens": 24058, "dataset": "wikitext", "dataset_config": "wikitext-2-raw-v1", "prompt_count": 128, "calibration_prompt_count": 24, "eval_max_length": 192, "calib_max_length": 192, "pmra_nll": 12.818462451820967, "q3_k_s_nll": 18.04630691050413, "stack_nll": 12.834082924860832, "delta_nll_vs_pmra": 0.015620473039865246, "delta_nll_vs_q3_k_s": -5.212223985643297, "last_logit_mse_to_fp16": 67.99472899734974, "top10_overlap_to_fp16": 0.13593750000000002, "runtime_savings_estimate": { "context_length": 8192, "mlp_lifetime_tokens": 64, "kv_saved_mib": 45.5, "mlp_saved_mib": 3.28125, "total_saved_mib": 48.78125, "mlp_dims": [ 12288, 12288, 6144 ] } }, "method": { "kv_cache": "Rotate K/V activations with Hadamard before 3-bit scalar quantization.", "mlp_intermediate": "Rotate Gemma4 MLP intermediate activations before calibrated 2-bit quantization, then invert before down_proj.", "calibration": "Hadamard-plus MLP choices reconstruct prepermutation order from calibration activations and down-proj weights." } }