{"item": "w14", "speed": {"replica_markets_per_s": 554.8, "n_markets": 512, "processes": 4, "compile_excluded": true, "strategy": "IB port (IB params) in replica STRATEGY block", "machine_cores": 4}, "search": {"minutes": 46.17, "generations": 174, "market_evaluations": 1514496, "settings": {"method": "CMA-ES (pycma), all 178 head weights", "start": "IB params", "es_seed": 434, "population": 16, "markets_per_generation": 512, "train_seeds": [880000000, 880089087], "fitness": "mean replica edge minus T edge on the generation seeds (shared by the population; T evaluated on the same seeds)", "sigma0": 0.03, "CMA_stds": "per-block rms of IB weights (W1, b1, W2, b2)", "sigma_cap": "sigma <= 0.03*0.5^(minutes/30), enforced before each ask", "monitor_seeds": [30000000, 30002047], "monitor_every_minutes": 5, "segments": "7 segments under 8 min, state pickled under scratch"}, "frozen": {"source": "CMA mean gen 154", "minute": 40.69, "monitor_gain_vs_T": 1.8665033988487048}}, "curve": [[0.0, 1.8096, 0.03], [5.196, 1.8114, 0.02386], [10.262, 1.8134, 0.02198], [15.341, 1.8219, 0.02096], [20.363, 1.8355, 0.01883], [25.373, 1.8603, 0.01679], [30.431, 1.8611, 0.01494], [35.653, 1.8621, 0.01323], [40.692, 1.8665, 0.01173], [45.842, 1.8646, 0.01047]], "curve_note": "[minutes, monitor gain over T of the CMA mean (minute 0 = IB params), sigma]; monitor se about 0.023 for each point: [0.0238, 0.0235, 0.024, 0.0234, 0.0235, 0.0242, 0.0244, 0.0235, 0.0236, 0.0235]", "gates": {"A": {"passed": true, "max_fee_diff_bps": 6.64202309125228e-05, "sequences": 50, "seeds": [310000, 310049], "callbacks_incl_init": 100050, "threshold_bps": 0.01, "what": "IB port with params vs IB.sol in EVM (adapted differential_test_source)"}, "B": {"passed": true, "seeds": [7132768, 7133279], "replica_IB_minus_T": 1.708612109706731, "se": 0.04425219850674254, "reference": 1.749, "abs_error": 0.04038789029326906, "threshold": 0.15}, "C": {"passed": true, "max_fee_diff_bps": 7.302067450698502e-05, "sequences": 50, "seeds": [310000, 310049], "callbacks_incl_init": 100050, "threshold_bps": 0.1, "what": "frozen candidate .sol in EVM vs IB port with frozen weights"}}, "holdout": {"n": 8192, "seeds": [40000000, 40008191], "evaluated_once": true, "over_T": 1.8260520937243028, "over_T_se": 0.011792730597919463, "over_HA": 0.709220031224353, "over_HA_se": 0.008694372881952291, "over_IB": 0.057067984550950655, "over_IB_se": 0.005110878939329823, "retail_edge_delta": {"vs_T": 4.877318718437411, "vs_HA": 0.8242827822811644, "vs_IB": -0.17329295568208178}, "arb_edge_delta": {"vs_T": -3.051266624713108, "vs_HA": -0.11506275105681117, "vs_IB": 0.23036094023303305}, "IB_over_T": 1.768984109173352, "HA_over_T": 1.1168320624999497, "means": {"T": 524.9728358327186, "HA": 526.0896678952186, "IB": 526.7418199418919, "cand": 526.798887926443}}, "real": {"seeds": [7612000, 7612511], "chunk": 64, "engine": "amm_sim_rs.run_batch(bytecode, VanillaStrategy, configs, 8), each strategy alone; configs per MatchRunner._build_configs with seed i -> i", "vs_IB": {"n": 512, "mean_diff": 0.05923492112865414, "se": 0.016607171098528828, "worst5": [[7612374, -2.6229901716658333], [7612391, -1.5039642361059578], [7612472, -1.3452502106881639], [7612369, -1.2937414457992418], [7612091, -1.1539598940603355]], "retail_volume_y_delta": -54.86850561296659, "arb_volume_y_delta": -64.30133754450361}, "vs_HA": {"n": 512, "mean_diff": 0.7051804753497226, "se": 0.033721602447893705, "worst5": [[7612284, -4.8307002252353755], [7612384, -1.609014758656258], [7612374, -1.5896231505640799], [7612189, -1.5601525041016657], [7612223, -1.3381651726236328]], "retail_volume_y_delta": 587.531298340391, "arb_volume_y_delta": 419.1746528982238}, "IB_vs_HA_same_seeds": {"n": 512, "mean_diff": 0.6459455542210685, "se": 0.032969877758339795, "worst5": [[7612284, -4.529589717312206], [7612480, -1.8399657377715357], [7612223, -1.7991023764058696], [7612189, -1.7943966336388826], [7612384, -1.3459995074513245]], "retail_volume_y_delta": 642.3998039533576, "arb_volume_y_delta": 483.4759904427274}, "retail_delta": {"vs_IB": -54.86850561296659, "vs_HA": 587.531298340391}, "arb_delta": {"vs_IB": -64.30133754450361, "vs_HA": 419.1746528982238}, "delta_note": "run_batch results expose retail_volume_y and arb_volume_y, not a retail/arb edge split, so real retail/arb deltas are mean Y-volume deltas; replica retail/arb edge deltas are in holdout", "mean_edge": {"cand": 532.3029932251131, "IB": 532.2437583039846, "HA": 531.5978127497635}}, "gas": {"afterSwap_peak": 234971, "afterInitialize_peak": 243227, "OOG": 0, "other_failures": 0, "IB": {"afterSwap_peak": 234965, "afterInitialize_peak": 243227, "OOG": 0, "other_failures": 0}, "HA": {"afterSwap_peak": 231406, "afterInitialize_peak": 243147, "OOG": 0, "other_failures": 0}}, "valid": true, "code_zb64": 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"code_sha256": "bc83647a36a46038b52798e41d304ffea1527d4c4de277a5209e6dc8a60e37b0", "params": {"W1": [[0.602749, 1.979788, -1.022092, 3.466997, -2.583828, -0.595354, -0.852335, 1.214616, -5.211129, 0.032857, 1.578629, -0.185243, 0.396765, 1.515906, 0.342694, -1.458431, 0.303037, -0.103476, 0.246724], [0.472117, 1.098399, 2.414552, 3.014552, 0.438865, -0.710071, -0.170043, -0.28605, -0.184326, -0.099932, -0.169096, -1.06722, 0.261189, -1.337972, -1.020246, 1.306357, 0.328928, -0.790934, 0.22851], [1.37122, 2.963864, 0.18391, 0.592419, 1.200414, 1.664586, -1.720468, 1.548132, 0.697027, -0.865961, 0.126958, -3.195187, -0.800003, 0.209387, 0.329719, 0.487618, -0.642851, -0.946231, -1.281834], [-1.089822, -0.664143, 1.689692, -0.26683, -0.728909, 1.222476, -0.989508, 1.793433, -1.849781, -0.23924, 0.240929, -1.913844, -1.528398, -0.101931, 0.30588, 0.75884, 1.906094, 0.599379, 1.83532], [0.20681, 0.733551, 2.504954, -0.242592, -1.953895, -0.051814, 1.372899, 1.207203, -0.24012, 0.147315, -0.034074, -1.855627, -0.076906, -0.514739, -0.051212, -1.380527, 2.415156, -0.511076, -0.1559], [2.322381, -1.311946, 1.863926, -0.961402, 1.680591, 1.632026, 0.093639, 0.111572, -0.7263, 0.228458, -0.230318, 2.762907, 1.390943, -0.493658, -1.249642, 0.491606, -0.101085, 1.040707, 0.264951], [-1.139493, 1.215971, 0.499931, -2.726235, 1.498391, -0.208981, -0.380935, 0.017669, 0.855217, -0.075285, 0.900036, 0.259557, -1.262656, 0.553232, 0.088861, 0.064001, -0.047061, 0.873618, -0.394809], [-2.102359, -1.718613, 2.760777, 2.802187, -0.589776, -2.58932, -1.288387, 3.32022, 1.203332, -1.688982, 2.553198, -2.356907, 0.217943, 0.612649, -0.280577, 2.152448, 0.74659, 0.075126, -0.975089]], "b1": [2.087171, -2.195063, -2.885669, -2.184513, -0.457813, -1.533471, -2.892708, -0.841373], "W2": [[0.559828, -1.644019, 0.235605, -0.608196, -2.924676, -0.531089, -2.250705, 0.930978], [0.204763, -1.4079, -1.3098, 0.607785, 1.812405, -1.111314, 0.797954, 0.494102]], "b2": [1.730123, 2.172777], "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": ["All input sha256 checked and matched: HA code 99e3a2ec..., T code ebd9de9b..., replica_source 1e4c44b4..., RS2 port_source 9eac3553..., IB code 30194182..., IB port f63227c5.... The IB port was used as published (only its import placed in the replica STRATEGY block); nothing rebuilt from source.", "Speed 554.8 replica markets/s on 512 markets with 4 processes on a 4-core machine (warm Numba), above 200, so the search ran.", "The search ran 46.2 minutes, 174 generations. The best monitor score was the CMA mean at generation 154 (minute 40.7): +1.867 over T against +1.810 for IB params on the same monitor seeds. The monitor curve rose by about +0.057 over 46 minutes and was flat over the last 3 checks (+1.861, +1.862, +1.867, +1.865), each with se about 0.023. sigma followed the 0.5^(minutes/30) cap.", "Holdout (8192 replica seeds, evaluated once): candidate +0.057 se 0.005 over IB, +0.709 over HA, +1.826 over T. IB_over_T (+1.76898) and HA_over_T (+1.11683) reproduce the IB artifact holdout figures on these seeds to the printed digits.", "Real engine, 512 fresh seeds 7612000..7612511 (none used before in this run): candidate +0.059 se 0.017 over IB and +0.705 se 0.034 over HA. The replica holdout predicted +0.057 over IB. IB over HA on the same seeds was +0.646 se 0.033.", "Gas: candidate afterSwap peak 234971 <= 245000, afterInitialize peak 243227, 0 OOG and 0 other failures across 512 real markets.", "The gain over HA (+0.70) is still far short of the about +3.1 over HA the goal says the top 10 needs. This learned-head fine-tuning appears to be close to saturating at this sigma schedule. No leaderboard placement is claimed.", "Real retail_delta and arb_delta are mean Y-volume deltas (the run_batch result has no retail/arb edge split). Replica retail/arb edge deltas are under holdout.", "Weights were rounded to 1e-6 before freezing. The candidate code is IB.sol with only the _head literals regenerated. Regenerating with IB params reproduces IB.sol byte-for-byte."]}