{"item": "w18", "speed": {"replica_markets_per_s": [106.2, 91.2, 85.1, 82.9], "measure": "rep_ib.run_many(IB TH, 512 markets x 10000 steps, procs=8) on an 8-core machine, Numba warmed before timing (compile excluded); four timed runs; single warm market 0.055 s", "under_200": true, "decision": "Brief: under 200 markets/s => no search; IB and HA run on real seeds from 7628000, 32 a chunk, as many as fit"}, "search": {"minutes": 0, "generations": 0, "settings": "not run: replica speed under 200 markets/s (brief rule). No CMA-ES, monitor, freeze, holdout or gate C."}, "curve": [], "gates": {"A": {"run": false, "note": "not run; no new weights were frozen, so the deployed code is IB unchanged (code sha256 verified)"}, "B": {"seeds": [7132768, 7133279], "replica_IB_minus_T": 1.708612109706731, "se": 0.04425219850674254, "target": 1.749, "abs_error": 0.0404, "passed": true, "replica_HA_minus_T_same_seeds": 1.1222303487145568}, "C": {"run": false, "note": "no frozen candidate"}, "hashes": "HA, T, replica, RS2 port, IB code and IB port all match the brief sha256 values; regenerating IB head from params via the freeze template reproduces IB.sol byte-for-byte"}, "holdout": null, "real": {"seeds": [7628000, 7628927], "chunk": 32, "engine": "amm_sim_rs.run_batch(bytecode, VanillaStrategy, configs, 8), IB and HA each alone vs 30 bps Vanilla; configs per MatchRunner._build_configs with rng seed = sim seed = market seed", "vs_HA": {"n": 928, "mean_diff": 0.659134071483726, "se": 0.023552361053630653, "worst5": [[7628006, -3.1513850729212436], [7628070, -2.161702295414159], [7628677, -1.5362427723778183], [7628555, -1.4713372860217078], [7628506, -1.4396330156005206]]}, "vs_IB": null, "retail_delta": 637.8900032643932, "arb_delta": 483.3923167734545, "delta_units": "mean per-market retail and arb VOLUME in Y (IB minus HA); the engine result exposes no retail/arb edge split", "mean_edge": {"IB": 530.272300542323, "HA": 529.6131664708394}, "chunk_means_IB_minus_HA": [[7628000, 0.3466], [7628032, 0.4826], [7628064, 0.5988], [7628096, 0.7108], [7628128, 0.5574], [7628160, 0.3571], [7628192, 0.4967], [7628224, 0.6472], [7628256, 0.6829], [7628288, 0.7804], [7628320, 0.7097], [7628352, 0.6698], [7628384, 0.7557], [7628416, 0.7618], [7628448, 0.8372], [7628480, 0.8115], [7628512, 0.7541], [7628544, 0.6308], [7628576, 0.684], [7628608, 0.5546], [7628640, 0.6407], [7628672, 0.6116], [7628704, 0.5779], [7628736, 0.8921], [7628768, 0.722], [7628800, 0.6196], [7628832, 0.6567], [7628864, 0.8163], [7628896, 0.7485]]}, "gas": {"afterSwap_peak": 237056, "afterInitialize_peak": 243227, "OOG": 0, "IB_afterSwap_calls": 10047964, "HA": {"afterSwap_peak": 233730, "afterInitialize_peak": 243147, "OOG": 0}, "note": "OOG counts every oog/revert/other_halt/tx_error/bad_return across all chunks"}, "valid": true, "code_zb64": 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"code_sha256": "301941829a44bb60977bb28181a5e4bfa6544f3696763f987054789b2611d686", "params": {"W1": [[0.654471, 1.616192, -0.786055, 3.194473, -2.819834, -0.745799, -1.103005, 1.399501, -5.182228, -0.047389, 1.840275, -0.34166, 0.284462, 1.50209, 0.230267, -1.204179, 0.368945, 0.128606, 0.322065], [0.495108, 1.032922, 2.545247, 3.022238, 0.545921, -0.792076, -0.166156, -0.320584, -0.072802, -0.091527, -0.179354, -0.810304, 0.246024, -1.439807, -1.006687, 1.317468, 0.396225, -0.701713, 0.16103], [1.377378, 2.844135, 0.235131, 0.370319, 1.065977, 1.72645, -1.681601, 1.351727, 0.715107, -0.937554, 0.132692, -3.065224, -0.788429, -0.134986, 0.410067, 0.637203, -0.584876, -0.838255, -1.118148], [-1.161171, -0.862658, 1.44659, -0.347316, -0.560987, 1.149734, -1.058577, 1.737799, -1.817471, -0.164429, 0.328763, -2.122942, -1.647649, -0.104171, 0.263169, 0.741364, 1.831593, 0.522629, 1.904871], [0.237232, 0.675657, 2.640259, -0.350353, -2.032207, -0.032464, 1.338695, 1.061689, -0.090965, 0.146196, -0.008601, -2.061813, -0.184058, -0.661903, 0.236134, -1.212566, 2.5002, -0.715383, -0.162412], [2.414711, -1.219338, 1.842294, -0.892567, 1.765955, 1.503509, 0.285132, 0.106068, -0.567663, 0.363173, -0.175631, 3.233143, 1.05256, -0.508115, -1.263047, 0.58407, 0.26797, 1.221104, 0.152133], [-1.281479, 1.354851, 0.300801, -2.954143, 1.498673, -0.077106, -0.380866, 0.016136, 0.790167, -0.059733, 0.808665, 0.275944, -0.94974, 0.476579, 0.11158, 0.203081, 0.124231, 0.71829, -0.351035], [-2.208804, -1.676579, 2.67743, 3.026558, -0.39123, -2.586319, -1.282493, 2.97081, 1.117537, -1.54951, 2.703842, -2.273928, 0.249918, 0.459059, -0.267546, 2.343903, 0.728739, 0.066072, -0.739607]], "b1": [1.843756, -1.958675, -3.109189, -1.951308, -0.923113, -1.635223, -2.724683, -0.957449], "W2": [[0.322713, -1.673628, 0.284764, -0.267997, -2.892365, -0.4659, -2.275743, 0.886153], [0.343761, -1.317095, -1.335244, 0.413609, 1.860307, -1.208948, 0.636254, 0.391827]], "b2": [1.652891, 1.962816], "hidden_units": 8, "input_count": 19, "layout": "flat vector = W1 (8x19 row-major), b1(8), W2 (2x8 row-major: bid row then ask row), b2(2)", "weight_fixed_point_scale": 1000000, "feature_fixed_point_scale": 1000000, "output_unit_fee": 0.0001, "feature_order": ["sigmaHat", "lambdaHat", "sizeHat", "toxEma", "actEma", "direction", "(spot-staleHat)/staleHat", "signed_trade_ratio", "arb_probability", "first_in_step", "uncertainty", "min(silent,8)/8", "anchor_mean", "raw_amountY", "step_trade_count", "prev_bid_fee", "prev_ask_fee", "steps_since_arb_like_print", "router_implied_vanilla_spot"], "feature_multipliers": [1000, 2, 500, 500, 500, 1, 500, 500, 2, 2, 1000000, 1, 500, 0.05, 0.5, 333.333333, 333.333333, 0.125, 500], "feature_offsets": [-1, -1, -1, -1, -1, -1, 0, 0, -1, -1, -1, 0, -1, -1, -0.5, -1, -1, -1, 0], "feature_clip": [-4, 4], "hidden_relu_clip": [0, 4], "toxicity_anchor": {"count_cap": 674, "linear_k_wad": 712696014807650816, "quadratic_k_wad": 1295240753826310656}}, "notes": ["No training was done: the replica with IB port ran at 83-106 markets/s here (8 cores), under the brief threshold of 200, so the brief no-search branch was followed. Delivered code and params are IB unchanged.", "Real IB minus HA on 928 fresh seeds 7628000..7628927 (29 chunks of 32, each strategy alone): +0.659 se 0.024; every chunk mean positive (range 0.347..0.892).", "This agrees with the IB artifact own real check (+0.592 se 0.030 over HA on 7132768..7133279) and stays far below the about +3.1 over HA that the goal says the top 10 needs.", "IB afterSwap peak 237056 gas (<= 245,000), 0 OOG over 10047964 afterSwap calls.", "Gate B replica IB-T 1.709 vs real 1.749 (passed). Gates A and C, holdout and vs_IB were not run because no candidate was trained.", "Replica throughput reported by the IB artifact (4181.9 markets/s, 22 processes) could not be reproduced on this machine."]}