{ "best_global_step": null, "best_metric": null, "best_model_checkpoint": null, "epoch": 1.995031055900621, "eval_steps": 500, "global_step": 536, "is_hyper_param_search": false, "is_local_process_zero": true, "is_world_process_zero": true, "log_history": [ { "epoch": 0.037267080745341616, "grad_norm": 0.19933472573757172, "learning_rate": 2.8125000000000003e-05, "loss": 3.1896, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 24.27871, "step": 10, "tokens/total": 368640, "tokens/train_per_sec_per_gpu": 44.07, "tokens/trainable": 321256 }, { "epoch": 0.07453416149068323, "grad_norm": 0.2485538274049759, "learning_rate": 4.9995893860576395e-05, "loss": 3.1828, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 24.11418, "step": 20, "tokens/total": 737280, "tokens/train_per_sec_per_gpu": 43.47, "tokens/trainable": 643308 }, { "epoch": 0.11180124223602485, "grad_norm": 0.16610555350780487, "learning_rate": 4.99229333433282e-05, "loss": 3.1795, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 24.03473, "step": 30, "tokens/total": 1105920, "tokens/train_per_sec_per_gpu": 44.23, "tokens/trainable": 962499 }, { "epoch": 0.14906832298136646, "grad_norm": 0.16600094735622406, "learning_rate": 4.975903174511846e-05, "loss": 3.1002, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.20239, "step": 40, "tokens/total": 1474560, "tokens/train_per_sec_per_gpu": 45.06, "tokens/trainable": 1283109 }, { "epoch": 0.18633540372670807, "grad_norm": 0.17242471873760223, "learning_rate": 4.950478712510446e-05, "loss": 3.0775, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.70407, "step": 50, "tokens/total": 1843200, "tokens/train_per_sec_per_gpu": 45.42, "tokens/trainable": 1603821 }, { "epoch": 0.2236024844720497, "grad_norm": 0.17550165951251984, "learning_rate": 4.9161127194332655e-05, "loss": 3.1334, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.95188, "step": 60, "tokens/total": 2211840, "tokens/train_per_sec_per_gpu": 43.85, "tokens/trainable": 1925471 }, { "epoch": 0.2608695652173913, "grad_norm": 0.18663033843040466, "learning_rate": 4.872930593062168e-05, "loss": 3.1937, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 24.37846, "step": 70, "tokens/total": 2580480, "tokens/train_per_sec_per_gpu": 44.7, "tokens/trainable": 2242912 }, { "epoch": 0.2981366459627329, "grad_norm": 0.20098601281642914, "learning_rate": 4.8210899002933235e-05, "loss": 3.1263, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.7895, "step": 80, "tokens/total": 2949120, "tokens/train_per_sec_per_gpu": 44.38, "tokens/trainable": 2562908 }, { "epoch": 0.33540372670807456, "grad_norm": 0.18968884646892548, "learning_rate": 4.760779802192698e-05, "loss": 3.142, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 23.15012, "step": 90, "tokens/total": 3317760, "tokens/train_per_sec_per_gpu": 46.02, "tokens/trainable": 2881497 }, { "epoch": 0.37267080745341613, "grad_norm": 0.21494834125041962, "learning_rate": 4.692220363767833e-05, "loss": 3.1794, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 24.03233, "step": 100, "tokens/total": 3686400, "tokens/train_per_sec_per_gpu": 44.95, "tokens/trainable": 3199097 }, { "epoch": 0.40993788819875776, "grad_norm": 0.20388352870941162, "learning_rate": 4.6156617509745015e-05, "loss": 3.1358, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 23.00703, "step": 110, "tokens/total": 4055040, "tokens/train_per_sec_per_gpu": 44.96, "tokens/trainable": 3517985 }, { "epoch": 0.4472049689440994, "grad_norm": 0.22123299539089203, "learning_rate": 4.531383317888261e-05, "loss": 3.1032, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.2691, "step": 120, "tokens/total": 4423680, "tokens/train_per_sec_per_gpu": 41.16, "tokens/trainable": 3837324 }, { "epoch": 0.484472049689441, "grad_norm": 0.2072950154542923, "learning_rate": 4.439692587371731e-05, "loss": 3.1074, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.36283, "step": 130, "tokens/total": 4792320, "tokens/train_per_sec_per_gpu": 46.1, "tokens/trainable": 4159485 }, { "epoch": 0.5217391304347826, "grad_norm": 0.22470185160636902, "learning_rate": 4.3409241289570156e-05, "loss": 3.0826, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.81505, "step": 140, "tokens/total": 5160960, "tokens/train_per_sec_per_gpu": 45.04, "tokens/trainable": 4479023 }, { "epoch": 0.5590062111801242, "grad_norm": 0.23675978183746338, "learning_rate": 4.235438338037764e-05, "loss": 3.0895, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.96609, "step": 150, "tokens/total": 5529600, "tokens/train_per_sec_per_gpu": 44.54, "tokens/trainable": 4798599 }, { "epoch": 0.5962732919254659, "grad_norm": 0.22080311179161072, "learning_rate": 4.123620120825459e-05, "loss": 3.0991, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.17798, "step": 160, "tokens/total": 5898240, "tokens/train_per_sec_per_gpu": 45.18, "tokens/trainable": 5117093 }, { "epoch": 0.6335403726708074, "grad_norm": 0.22512708604335785, "learning_rate": 4.005877489868401e-05, "loss": 3.1219, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.68945, "step": 170, "tokens/total": 6266880, "tokens/train_per_sec_per_gpu": 43.85, "tokens/trainable": 5436542 }, { "epoch": 0.6708074534161491, "grad_norm": 0.22725142538547516, "learning_rate": 3.88264007525816e-05, "loss": 3.167, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 23.73617, "step": 180, "tokens/total": 6635520, "tokens/train_per_sec_per_gpu": 45.1, "tokens/trainable": 5757152 }, { "epoch": 0.7080745341614907, "grad_norm": 0.23717202246189117, "learning_rate": 3.754357556955966e-05, "loss": 3.1361, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 23.01394, "step": 190, "tokens/total": 7004160, "tokens/train_per_sec_per_gpu": 42.08, "tokens/trainable": 6076610 }, { "epoch": 0.7453416149068323, "grad_norm": 0.2373926043510437, "learning_rate": 3.621498023959294e-05, "loss": 3.1262, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.78722, "step": 200, "tokens/total": 7372800, "tokens/train_per_sec_per_gpu": 44.68, "tokens/trainable": 6396405 }, { "epoch": 0.782608695652174, "grad_norm": 0.22468852996826172, "learning_rate": 3.484546266295883e-05, "loss": 3.1138, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.50641, "step": 210, "tokens/total": 7741440, "tokens/train_per_sec_per_gpu": 43.14, "tokens/trainable": 6714000 }, { "epoch": 0.8198757763975155, "grad_norm": 0.23512248694896698, "learning_rate": 3.344002006077487e-05, "loss": 3.113, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.48841, "step": 220, "tokens/total": 8110080, "tokens/train_per_sec_per_gpu": 44.86, "tokens/trainable": 7034597 }, { "epoch": 0.8571428571428571, "grad_norm": 0.23428736627101898, "learning_rate": 3.200378074068092e-05, "loss": 3.0454, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.01844, "step": 230, "tokens/total": 8478720, "tokens/train_per_sec_per_gpu": 44.72, "tokens/trainable": 7357866 }, { "epoch": 0.8944099378881988, "grad_norm": 0.25676628947257996, "learning_rate": 3.0541985384200686e-05, "loss": 3.1156, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.54695, "step": 240, "tokens/total": 8847360, "tokens/train_per_sec_per_gpu": 44.71, "tokens/trainable": 7675991 }, { "epoch": 0.9316770186335404, "grad_norm": 0.2449398934841156, "learning_rate": 2.9059967924063153e-05, "loss": 3.1204, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.65544, "step": 250, "tokens/total": 9216000, "tokens/train_per_sec_per_gpu": 45.14, "tokens/trainable": 7995656 }, { "epoch": 0.968944099378882, "grad_norm": 0.2541828453540802, "learning_rate": 2.7563136081260582e-05, "loss": 3.1261, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.78494, "step": 260, "tokens/total": 9584640, "tokens/train_per_sec_per_gpu": 42.8, "tokens/trainable": 8314538 }, { "epoch": 1.0037267080745342, "grad_norm": 0.24245300889015198, "learning_rate": 2.6056951632860976e-05, "loss": 3.0867, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.90467, "step": 270, "tokens/total": 9924608, "tokens/train_per_sec_per_gpu": 45.48, "tokens/trainable": 8609040 }, { "epoch": 1.0409937888198757, "grad_norm": 0.2593900263309479, "learning_rate": 2.4546910482575908e-05, "loss": 3.0741, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.63041, "step": 280, "tokens/total": 10293248, "tokens/train_per_sec_per_gpu": 44.2, "tokens/trainable": 8927894 }, { "epoch": 1.0782608695652174, "grad_norm": 0.2553490996360779, "learning_rate": 2.303852260680388e-05, "loss": 3.0859, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.88716, "step": 290, "tokens/total": 10661888, "tokens/train_per_sec_per_gpu": 46.62, "tokens/trainable": 9250881 }, { "epoch": 1.115527950310559, "grad_norm": 0.2889447510242462, "learning_rate": 2.1537291949324007e-05, "loss": 3.0993, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.18242, "step": 300, "tokens/total": 11030528, "tokens/train_per_sec_per_gpu": 43.46, "tokens/trainable": 9569197 }, { "epoch": 1.1527950310559005, "grad_norm": 0.3012157380580902, "learning_rate": 2.0048696338002015e-05, "loss": 3.1172, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.58306, "step": 310, "tokens/total": 11399168, "tokens/train_per_sec_per_gpu": 42.07, "tokens/trainable": 9889854 }, { "epoch": 1.1900621118012422, "grad_norm": 0.290158212184906, "learning_rate": 1.857816749679043e-05, "loss": 3.1, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.19795, "step": 320, "tokens/total": 11767808, "tokens/train_per_sec_per_gpu": 43.72, "tokens/trainable": 10207408 }, { "epoch": 1.227329192546584, "grad_norm": 0.315685898065567, "learning_rate": 1.713107122595693e-05, "loss": 3.0941, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.06737, "step": 330, "tokens/total": 12136448, "tokens/train_per_sec_per_gpu": 43.89, "tokens/trainable": 10527550 }, { "epoch": 1.2645962732919256, "grad_norm": 0.29844436049461365, "learning_rate": 1.571268782286107e-05, "loss": 3.0997, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.19129, "step": 340, "tokens/total": 12505088, "tokens/train_per_sec_per_gpu": 45.94, "tokens/trainable": 10848911 }, { "epoch": 1.301863354037267, "grad_norm": 0.29774603247642517, "learning_rate": 1.4328192814721846e-05, "loss": 3.0617, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.36384, "step": 350, "tokens/total": 12873728, "tokens/train_per_sec_per_gpu": 44.22, "tokens/trainable": 11167329 }, { "epoch": 1.3391304347826087, "grad_norm": 0.305044025182724, "learning_rate": 1.2982638073680112e-05, "loss": 3.0857, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.88278, "step": 360, "tokens/total": 13242368, "tokens/train_per_sec_per_gpu": 44.71, "tokens/trainable": 11489331 }, { "epoch": 1.3763975155279504, "grad_norm": 0.30985885858535767, "learning_rate": 1.1680933383065057e-05, "loss": 3.0768, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.68889, "step": 370, "tokens/total": 13611008, "tokens/train_per_sec_per_gpu": 43.03, "tokens/trainable": 11809342 }, { "epoch": 1.4136645962732919, "grad_norm": 0.31623899936676025, "learning_rate": 1.042782852212725e-05, "loss": 3.0995, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.18686, "step": 380, "tokens/total": 13979648, "tokens/train_per_sec_per_gpu": 45.18, "tokens/trainable": 12127653 }, { "epoch": 1.4509316770186336, "grad_norm": 0.31580615043640137, "learning_rate": 9.227895934609235e-06, "loss": 3.0674, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.48597, "step": 390, "tokens/total": 14348288, "tokens/train_per_sec_per_gpu": 45.49, "tokens/trainable": 12446447 }, { "epoch": 1.4881987577639753, "grad_norm": 0.3268173635005951, "learning_rate": 8.085514044394216e-06, "loss": 3.1286, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.84198, "step": 400, "tokens/total": 14716928, "tokens/train_per_sec_per_gpu": 44.11, "tokens/trainable": 12766899 }, { "epoch": 1.5254658385093167, "grad_norm": 0.31086301803588867, "learning_rate": 7.004851279112129e-06, "loss": 3.0784, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.72362, "step": 410, "tokens/total": 15085568, "tokens/train_per_sec_per_gpu": 45.54, "tokens/trainable": 13088335 }, { "epoch": 1.5627329192546584, "grad_norm": 0.3192853629589081, "learning_rate": 5.989850859999227e-06, "loss": 3.0708, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.55914, "step": 420, "tokens/total": 15454208, "tokens/train_per_sec_per_gpu": 44.24, "tokens/trainable": 13408321 }, { "epoch": 1.6, "grad_norm": 0.3102209270000458, "learning_rate": 5.044216413511494e-06, "loss": 3.0687, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.51392, "step": 430, "tokens/total": 15822848, "tokens/train_per_sec_per_gpu": 44.8, "tokens/trainable": 13731661 }, { "epoch": 1.6372670807453416, "grad_norm": 0.3230491876602173, "learning_rate": 4.171398457193274e-06, "loss": 3.0735, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.61743, "step": 440, "tokens/total": 16191488, "tokens/train_per_sec_per_gpu": 45.26, "tokens/trainable": 14052955 }, { "epoch": 1.6745341614906832, "grad_norm": 0.3240269124507904, "learning_rate": 3.3745818091130033e-06, "loss": 3.1082, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.38072, "step": 450, "tokens/total": 16560128, "tokens/train_per_sec_per_gpu": 43.83, "tokens/trainable": 14372424 }, { "epoch": 1.711801242236025, "grad_norm": 0.3217725157737732, "learning_rate": 2.6566739668074576e-06, "loss": 3.1315, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.90832, "step": 460, "tokens/total": 16928768, "tokens/train_per_sec_per_gpu": 44.5, "tokens/trainable": 14690565 }, { "epoch": 1.7490683229813664, "grad_norm": 0.3098929524421692, "learning_rate": 2.020294498138503e-06, "loss": 3.066, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.45591, "step": 470, "tokens/total": 17297408, "tokens/train_per_sec_per_gpu": 45.19, "tokens/trainable": 15008561 }, { "epoch": 1.786335403726708, "grad_norm": 0.3308022618293762, "learning_rate": 1.4677654827741111e-06, "loss": 3.1263, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.7895, "step": 480, "tokens/total": 17666048, "tokens/train_per_sec_per_gpu": 44.69, "tokens/trainable": 15325346 }, { "epoch": 1.8236024844720498, "grad_norm": 0.33477458357810974, "learning_rate": 1.0011030391714278e-06, "loss": 3.0856, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.88059, "step": 490, "tokens/total": 18034688, "tokens/train_per_sec_per_gpu": 44.1, "tokens/trainable": 15644995 }, { "epoch": 1.8608695652173912, "grad_norm": 0.3346908390522003, "learning_rate": 6.220099679791897e-07, "loss": 3.1043, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.29361, "step": 500, "tokens/total": 18403328, "tokens/train_per_sec_per_gpu": 44.87, "tokens/trainable": 15966250 }, { "epoch": 1.898136645962733, "grad_norm": 0.3268662095069885, "learning_rate": 3.3186953870281144e-07, "loss": 3.0731, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 21.60879, "step": 510, "tokens/total": 18771968, "tokens/train_per_sec_per_gpu": 44.17, "tokens/trainable": 16285364 }, { "epoch": 1.9354037267080746, "grad_norm": 0.32842233777046204, "learning_rate": 1.3174044230396532e-07, "loss": 3.1173, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.58532, "step": 520, "tokens/total": 19140608, "tokens/train_per_sec_per_gpu": 42.71, "tokens/trainable": 16603401 }, { "epoch": 1.972670807453416, "grad_norm": 0.33898642659187317, "learning_rate": 2.2352928152089003e-08, "loss": 3.1123, "memory/device_reserved (GiB)": 45.16, "memory/max_active (GiB)": 37.89, "memory/max_allocated (GiB)": 37.89, "ppl": 22.47267, "step": 530, "tokens/total": 19509248, "tokens/train_per_sec_per_gpu": 44.84, "tokens/trainable": 16923422 } ], "logging_steps": 10, "max_steps": 536, "num_input_tokens_seen": 0, "num_train_epochs": 2, "save_steps": 302, "stateful_callbacks": { "TrainerControl": { "args": { "should_epoch_stop": false, "should_evaluate": false, "should_log": false, "should_save": true, "should_training_stop": true }, "attributes": {} } }, "total_flos": 8.394277834016686e+17, "train_batch_size": 6, "trial_name": null, "trial_params": null }