User: {
  "best_global_step": null,
  "best_metric": null,
  "best_model_checkpoint": null,
  "epoch": 4.166666666666667,
  "eval_steps": 50,
  "global_step": 500,
  "is_hyper_param_search": false,
  "is_local_process_zero": true,
  "is_world_process_zero": true,
  "log_history": [
    {
      "epoch": 0.08333333333333333,
      "grad_norm": 59.3357048034668,
      "learning_rate": 9.375000000000001e-07,
      "logits/chosen": -0.9454028606414795,
      "logits/rejected": -0.9781471490859985,
      "logps/chosen": -164.17739868164062,
      "logps/rejected": -56.273868560791016,
      "loss": 7.7285,
      "rewards/accuracies": 0.06875000149011612,
      "rewards/chosen": -7.34322452545166,
      "rewards/margins": -7.514928817749023,
      "rewards/rejected": 0.17170372605323792,
      "step": 10
    },
    {
      "epoch": 0.16666666666666666,
      "grad_norm": 54.258296966552734,
      "learning_rate": 1.9791666666666666e-06,
      "logits/chosen": -0.9368013143539429,
      "logits/rejected": -0.9636590480804443,
      "logps/chosen": -163.6491241455078,
      "logps/rejected": -70.55938720703125,
      "loss": 6.7099,
      "rewards/accuracies": 0.09062500298023224,
      "rewards/chosen": -6.927839756011963,
      "rewards/margins": -6.360180854797363,
      "rewards/rejected": -0.5676591396331787,
      "step": 20
    },
    {
      "epoch": 0.25,
      "grad_norm": 51.072933197021484,
      "learning_rate": 3.0208333333333334e-06,
      "logits/chosen": -0.9163515567779541,
      "logits/rejected": -0.9468698501586914,
      "logps/chosen": -160.3782958984375,
      "logps/rejected": -69.39027404785156,
      "loss": 6.3627,
      "rewards/accuracies": 0.09687499701976776,
      "rewards/chosen": -6.391718864440918,
      "rewards/margins": -6.082165718078613,
      "rewards/rejected": -0.309552937746048,
      "step": 30
    },
    {
      "epoch": 0.3333333333333333,
      "grad_norm": 46.9283447265625,
      "learning_rate": 4.0625000000000005e-06,
      "logits/chosen": -0.8782346844673157,
      "logits/rejected": -0.9060037136077881,
      "logps/chosen": -141.84832763671875,
      "logps/rejected": -58.1420783996582,
      "loss": 5.5514,
      "rewards/accuracies": 0.11874999850988388,
      "rewards/chosen": -5.010513782501221,
      "rewards/margins": -5.2537641525268555,
      "rewards/rejected": 0.24325042963027954,
      "step": 40
    },
    {
      "epoch": 0.4166666666666667,
      "grad_norm": 21.16282081604004,
      "learning_rate": 4.999933894080444e-06,
      "logits/chosen": -0.8297739028930664,
      "logits/rejected": -0.8586738705635071,
      "logps/chosen": -141.7031707763672,
      "logps/rejected": -62.69814682006836,
      "loss": 4.7049,
      "rewards/accuracies": 0.09062500298023224,
      "rewards/chosen": -4.109439849853516,
      "rewards/margins": -4.461027145385742,
      "rewards/rejected": 0.35158732533454895,
      "step": 50
    },
    {
      "epoch": 0.4166666666666667,
      "eval_logits/chosen": -0.7962626218795776,
      "eval_logits/rejected": -0.8236687183380127,
      "eval_logps/chosen": -121.69711303710938,
      "eval_logps/rejected": -51.655029296875,
      "eval_loss": 4.0124287605285645,
      "eval_rewards/accuracies": 0.09313726425170898,
      "eval_rewards/chosen": -2.867465019226074,
      "eval_rewards/margins": -3.7553324699401855,
      "eval_rewards/rejected": 0.8878673911094666,
      "eval_runtime": 169.2002,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.301,
      "step": 50
    },
    {
      "epoch": 0.5,
      "grad_norm": 31.434329986572266,
      "learning_rate": 4.9920054130141445e-06,
      "logits/chosen": -0.7588668465614319,
      "logits/rejected": -0.7878490686416626,
      "logps/chosen": -116.17402648925781,
      "logps/rejected": -56.88942337036133,
      "loss": 3.2455,
      "rewards/accuracies": 0.11562500894069672,
      "rewards/chosen": -2.228087902069092,
      "rewards/margins": -2.944610595703125,
      "rewards/rejected": 0.7165228128433228,
      "step": 60
    },
    {
      "epoch": 0.5833333333333334,
      "grad_norm": 21.27601432800293,
      "learning_rate": 4.970903776169403e-06,
      "logits/chosen": -0.6752899885177612,
      "logits/rejected": -0.7008639574050903,
      "logps/chosen": -107.55536651611328,
      "logps/rejected": -54.47526550292969,
      "loss": 2.4717,
      "rewards/accuracies": 0.16875000298023224,
      "rewards/chosen": -1.334320068359375,
      "rewards/margins": -2.121823787689209,
      "rewards/rejected": 0.787503719329834,
      "step": 70
    },
    {
      "epoch": 0.6666666666666666,
      "grad_norm": 16.641738891601562,
      "learning_rate": 4.936740530314087e-06,
      "logits/chosen": -0.6005370020866394,
      "logits/rejected": -0.6229169368743896,
      "logps/chosen": -102.33735656738281,
      "logps/rejected": -57.693763732910156,
      "loss": 1.418,
      "rewards/accuracies": 0.2906250059604645,
      "rewards/chosen": -0.47213315963745117,
      "rewards/margins": -0.8266530632972717,
      "rewards/rejected": 0.35451990365982056,
      "step": 80
    },
    {
      "epoch": 0.75,
      "grad_norm": 4.342240810394287,
      "learning_rate": 4.889696268057349e-06,
      "logits/chosen": -0.5254063606262207,
      "logits/rejected": -0.5458543300628662,
      "logps/chosen": -90.89668273925781,
      "logps/rejected": -68.27143096923828,
      "loss": 0.7269,
      "rewards/accuracies": 0.5906250476837158,
      "rewards/chosen": 0.23994526267051697,
      "rewards/margins": 0.4780767261981964,
      "rewards/rejected": -0.23813146352767944,
      "step": 90
    },
    {
      "epoch": 0.8333333333333334,
      "grad_norm": 2.382265329360962,
      "learning_rate": 4.830019673206997e-06,
      "logits/chosen": -0.4397103786468506,
      "logits/rejected": -0.45866870880126953,
      "logps/chosen": -83.78376007080078,
      "logps/rejected": -72.47702026367188,
      "loss": 0.4149,
      "rewards/accuracies": 0.7593749761581421,
      "rewards/chosen": 0.6671402454376221,
      "rewards/margins": 1.4038618803024292,
      "rewards/rejected": -0.7367216348648071,
      "step": 100
    },
    {
      "epoch": 0.8333333333333334,
      "eval_logits/chosen": -0.3980421721935272,
      "eval_logits/rejected": -0.4102678894996643,
      "eval_logps/chosen": -87.48466491699219,
      "eval_logps/rejected": -71.72773742675781,
      "eval_loss": 0.38501474261283875,
      "eval_rewards/accuracies": 0.7941176891326904,
      "eval_rewards/chosen": 0.5537807941436768,
      "eval_rewards/margins": 1.6731841564178467,
      "eval_rewards/rejected": -1.1194032430648804,
      "eval_runtime": 169.0661,
      "eval_samples_per_second": 1.195,
      "eval_steps_per_second": 0.302,
      "step": 100
    },
    {
      "epoch": 0.9166666666666666,
      "grad_norm": 1.8605284690856934,
      "learning_rate": 4.758026206185461e-06,
      "logits/chosen": -0.3788110017776489,
      "logits/rejected": -0.391421377658844,
      "logps/chosen": -90.46680450439453,
      "logps/rejected": -77.12654113769531,
      "loss": 0.3818,
      "rewards/accuracies": 0.8031250238418579,
      "rewards/chosen": 0.4862397611141205,
      "rewards/margins": 1.8365038633346558,
      "rewards/rejected": -1.350264072418213,
      "step": 110
    },
    {
      "epoch": 1.0,
      "grad_norm": 1.9464777708053589,
      "learning_rate": 4.674096436453448e-06,
      "logits/chosen": -0.3635258078575134,
      "logits/rejected": -0.3776419460773468,
      "logps/chosen": -87.60589599609375,
      "logps/rejected": -83.93844604492188,
      "loss": 0.2929,
      "rewards/accuracies": 0.8500000238418579,
      "rewards/chosen": 0.5170825123786926,
      "rewards/margins": 2.3697762489318848,
      "rewards/rejected": -1.8526935577392578,
      "step": 120
    },
    {
      "epoch": 1.0833333333333333,
      "grad_norm": 1.2728959321975708,
      "learning_rate": 4.578674030756364e-06,
      "logits/chosen": -0.36268943548202515,
      "logits/rejected": -0.37396782636642456,
      "logps/chosen": -90.13533782958984,
      "logps/rejected": -85.38867950439453,
      "loss": 0.2768,
      "rewards/accuracies": 0.8718750476837158,
      "rewards/chosen": 0.5040277242660522,
      "rewards/margins": 2.633760452270508,
      "rewards/rejected": -2.129732370376587,
      "step": 130
    },
    {
      "epoch": 1.1666666666666667,
      "grad_norm": 1.7659063339233398,
      "learning_rate": 4.472263407827987e-06,
      "logits/chosen": -0.36474719643592834,
      "logits/rejected": -0.3796120882034302,
      "logps/chosen": -83.40186309814453,
      "logps/rejected": -90.49617004394531,
      "loss": 0.2045,
      "rewards/accuracies": 0.9187500476837158,
      "rewards/chosen": 0.40221941471099854,
      "rewards/margins": 3.1050338745117188,
      "rewards/rejected": -2.7028141021728516,
      "step": 140
    },
    {
      "epoch": 1.25,
      "grad_norm": 1.380458950996399,
      "learning_rate": 4.355427071949004e-06,
      "logits/chosen": -0.36710819602012634,
      "logits/rejected": -0.37924671173095703,
      "logps/chosen": -93.99185943603516,
      "logps/rejected": -90.3389892578125,
      "loss": 0.1992,
      "rewards/accuracies": 0.9281250238418579,
      "rewards/chosen": 0.28435981273651123,
      "rewards/margins": 3.374526023864746,
      "rewards/rejected": -3.0901665687561035,
      "step": 150
    },
    {
      "epoch": 1.25,
      "eval_logits/chosen": -0.3667898178100586,
      "eval_logits/rejected": -0.3789345622062683,
      "eval_logps/chosen": -91.83634948730469,
      "eval_logps/rejected": -93.38908386230469,
      "eval_loss": 0.20877902209758759,
      "eval_rewards/accuracies": 0.9264706373214722,
      "eval_rewards/chosen": 0.11861235648393631,
      "eval_rewards/margins": 3.404151439666748,
      "eval_rewards/rejected": -3.285538673400879,
      "eval_runtime": 169.0112,
      "eval_samples_per_second": 1.195,
      "eval_steps_per_second": 0.302,
      "step": 150
    },
    {
      "epoch": 1.3333333333333333,
      "grad_norm": 1.2602179050445557,
      "learning_rate": 4.228782639455674e-06,
      "logits/chosen": -0.3551796078681946,
      "logits/rejected": -0.36958184838294983,
      "logps/chosen": -91.43587493896484,
      "logps/rejected": -97.08419036865234,
      "loss": 0.2045,
      "rewards/accuracies": 0.921875,
      "rewards/chosen": 0.240179181098938,
      "rewards/margins": 3.591364860534668,
      "rewards/rejected": -3.3511857986450195,
      "step": 160
    },
    {
      "epoch": 1.4166666666666667,
      "grad_norm": 1.3332889080047607,
      "learning_rate": 4.092999573916971e-06,
      "logits/chosen": -0.3476043939590454,
      "logits/rejected": -0.36567771434783936,
      "logps/chosen": -94.3681869506836,
      "logps/rejected": -106.48966217041016,
      "loss": 0.1966,
      "rewards/accuracies": 0.9125000238418579,
      "rewards/chosen": -0.022858060896396637,
      "rewards/margins": 3.775601863861084,
      "rewards/rejected": -3.798460006713867,
      "step": 170
    },
    {
      "epoch": 1.5,
      "grad_norm": 1.4733268022537231,
      "learning_rate": 3.948795647238638e-06,
      "logits/chosen": -0.35841116309165955,
      "logits/rejected": -0.37437722086906433,
      "logps/chosen": -97.39532470703125,
      "logps/rejected": -108.38935852050781,
      "loss": 0.1576,
      "rewards/accuracies": 0.940625011920929,
      "rewards/chosen": -0.10770167410373688,
      "rewards/margins": 4.289604187011719,
      "rewards/rejected": -4.397306442260742,
      "step": 180
    },
    {
      "epoch": 1.5833333333333335,
      "grad_norm": 2.1246559619903564,
      "learning_rate": 3.796933145401304e-06,
      "logits/chosen": -0.3737327754497528,
      "logits/rejected": -0.3907764256000519,
      "logps/chosen": -95.82321166992188,
      "logps/rejected": -112.48960876464844,
      "loss": 0.1507,
      "rewards/accuracies": 0.9468749761581421,
      "rewards/chosen": -0.28559213876724243,
      "rewards/margins": 4.44504451751709,
      "rewards/rejected": -4.7306365966796875,
      "step": 190
    },
    {
      "epoch": 1.6666666666666665,
      "grad_norm": 0.993766188621521,
      "learning_rate": 3.6382148388898013e-06,
      "logits/chosen": -0.37553924322128296,
      "logits/rejected": -0.391690194606781,
      "logps/chosen": -97.88423156738281,
      "logps/rejected": -112.31088256835938,
      "loss": 0.158,
      "rewards/accuracies": 0.9281250238418579,
      "rewards/chosen": -0.3459627330303192,
      "rewards/margins": 4.411401271820068,
      "rewards/rejected": -4.757364273071289,
      "step": 200
    },
    {
      "epoch": 1.6666666666666665,
      "eval_logits/chosen": -0.3778800368309021,
      "eval_logits/rejected": -0.39322346448898315,
      "eval_logps/chosen": -97.67074584960938,
      "eval_logps/rejected": -109.59329223632812,
      "eval_loss": 0.16819064319133759,
      "eval_rewards/accuracies": 0.9411765336990356,
      "eval_rewards/chosen": -0.46482765674591064,
      "eval_rewards/margins": 4.441130638122559,
      "eval_rewards/rejected": -4.90595817565918,
      "eval_runtime": 169.1708,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.301,
      "step": 200
    },
    {
      "epoch": 1.75,
      "grad_norm": 2.7532832622528076,
      "learning_rate": 3.4734797391146384e-06,
      "logits/chosen": -0.3730657696723938,
      "logits/rejected": -0.3895687162876129,
      "logps/chosen": -102.30464172363281,
      "logps/rejected": -111.9312515258789,
      "loss": 0.1529,
      "rewards/accuracies": 0.9375,
      "rewards/chosen": -0.3663730025291443,
      "rewards/margins": 4.533186912536621,
      "rewards/rejected": -4.89955997467041,
      "step": 210
    },
    {
      "epoch": 1.8333333333333335,
      "grad_norm": 2.3777518272399902,
      "learning_rate": 3.303598663257904e-06,
      "logits/chosen": -0.37278351187705994,
      "logits/rejected": -0.38900768756866455,
      "logps/chosen": -103.72232818603516,
      "logps/rejected": -115.44267272949219,
      "loss": 0.1422,
      "rewards/accuracies": 0.956250011920929,
      "rewards/chosen": -0.5616986751556396,
      "rewards/margins": 4.820520401000977,
      "rewards/rejected": -5.382219314575195,
      "step": 220
    },
    {
      "epoch": 1.9166666666666665,
      "grad_norm": 1.7933709621429443,
      "learning_rate": 3.1294696309885717e-06,
      "logits/chosen": -0.38176223635673523,
      "logits/rejected": -0.3999715745449066,
      "logps/chosen": -100.84109497070312,
      "logps/rejected": -117.96549987792969,
      "loss": 0.1406,
      "rewards/accuracies": 0.9656250476837158,
      "rewards/chosen": -0.5684419870376587,
      "rewards/margins": 4.979866981506348,
      "rewards/rejected": -5.548308849334717,
      "step": 230
    },
    {
      "epoch": 2.0,
      "grad_norm": 1.0398147106170654,
      "learning_rate": 2.9520131173809136e-06,
      "logits/chosen": -0.3889537453651428,
      "logits/rejected": -0.40670228004455566,
      "logps/chosen": -95.36781311035156,
      "logps/rejected": -117.28488159179688,
      "loss": 0.1318,
      "rewards/accuracies": 0.96875,
      "rewards/chosen": -0.6670013666152954,
      "rewards/margins": 4.738548278808594,
      "rewards/rejected": -5.405550003051758,
      "step": 240
    },
    {
      "epoch": 2.0833333333333335,
      "grad_norm": 0.8599414229393005,
      "learning_rate": 2.7721671871299115e-06,
      "logits/chosen": -0.38517600297927856,
      "logits/rejected": -0.4025938808917999,
      "logps/chosen": -99.700927734375,
      "logps/rejected": -122.06266021728516,
      "loss": 0.1141,
      "rewards/accuracies": 0.971875011920929,
      "rewards/chosen": -0.8118516206741333,
      "rewards/margins": 4.949002265930176,
      "rewards/rejected": -5.7608537673950195,
      "step": 250
    },
    {
      "epoch": 2.0833333333333335,
      "eval_logits/chosen": -0.39103662967681885,
      "eval_logits/rejected": -0.40863344073295593,
      "eval_logps/chosen": -102.90823364257812,
      "eval_logps/rejected": -122.25155639648438,
      "eval_loss": 0.14860467612743378,
      "eval_rewards/accuracies": 0.9509804248809814,
      "eval_rewards/chosen": -0.9885762929916382,
      "eval_rewards/margins": 5.183209419250488,
      "eval_rewards/rejected": -6.171785354614258,
      "eval_runtime": 169.0445,
      "eval_samples_per_second": 1.195,
      "eval_steps_per_second": 0.302,
      "step": 250
    },
    {
      "epoch": 2.1666666666666665,
      "grad_norm": 1.4207168817520142,
      "learning_rate": 2.590882535785e-06,
      "logits/chosen": -0.3818565607070923,
      "logits/rejected": -0.4046100676059723,
      "logps/chosen": -105.71626281738281,
      "logps/rejected": -128.3812713623047,
      "loss": 0.1067,
      "rewards/accuracies": 0.9656250476837158,
      "rewards/chosen": -0.9299248456954956,
      "rewards/margins": 5.6827921867370605,
      "rewards/rejected": -6.6127166748046875,
      "step": 260
    },
    {
      "epoch": 2.25,
      "grad_norm": 1.1950312852859497,
      "learning_rate": 2.4091174642150013e-06,
      "logits/chosen": -0.3945794105529785,
      "logits/rejected": -0.41264137625694275,
      "logps/chosen": -106.9026107788086,
      "logps/rejected": -128.23316955566406,
      "loss": 0.1088,
      "rewards/accuracies": 0.9656250476837158,
      "rewards/chosen": -0.8958712816238403,
      "rewards/margins": 5.534148693084717,
      "rewards/rejected": -6.430020332336426,
      "step": 270
    },
    {
      "epoch": 2.3333333333333335,
      "grad_norm": 1.1052201986312866,
      "learning_rate": 2.2278328128700893e-06,
      "logits/chosen": -0.4073947072029114,
      "logits/rejected": -0.4301881790161133,
      "logps/chosen": -99.98856353759766,
      "logps/rejected": -127.33273315429688,
      "loss": 0.1189,
      "rewards/accuracies": 0.9593750238418579,
      "rewards/chosen": -0.9575347900390625,
      "rewards/margins": 5.679556369781494,
      "rewards/rejected": -6.637091159820557,
      "step": 280
    },
    {
      "epoch": 2.4166666666666665,
      "grad_norm": 1.6796650886535645,
      "learning_rate": 2.0479868826190873e-06,
      "logits/chosen": -0.4062725305557251,
      "logits/rejected": -0.4307219982147217,
      "logps/chosen": -107.07919311523438,
      "logps/rejected": -128.68560791015625,
      "loss": 0.1292,
      "rewards/accuracies": 0.9468749761581421,
      "rewards/chosen": -0.7419480085372925,
      "rewards/margins": 5.686651229858398,
      "rewards/rejected": -6.4285993576049805,
      "step": 290
    },
    {
      "epoch": 2.5,
      "grad_norm": 1.241589069366455,
      "learning_rate": 1.870530369011429e-06,
      "logits/chosen": -0.3948354721069336,
      "logits/rejected": -0.4172993302345276,
      "logps/chosen": -109.19975280761719,
      "logps/rejected": -137.5168914794922,
      "loss": 0.1178,
      "rewards/accuracies": 0.953125,
      "rewards/chosen": -1.5339837074279785,
      "rewards/margins": 5.753636360168457,
      "rewards/rejected": -7.287619590759277,
      "step": 300
    },
    {
      "epoch": 2.5,
      "eval_logits/chosen": -0.3981320261955261,
      "eval_logits/rejected": -0.41806328296661377,
      "eval_logps/chosen": -108.41285705566406,
      "eval_logps/rejected": -133.9067840576172,
      "eval_loss": 0.13694725930690765,
      "eval_rewards/accuracies": 0.9460784792900085,
      "eval_rewards/chosen": -1.5390385389328003,
      "eval_rewards/margins": 5.7982707023620605,
      "eval_rewards/rejected": -7.33730936050415,
      "eval_runtime": 169.0702,
      "eval_samples_per_second": 1.195,
      "eval_steps_per_second": 0.302,
      "step": 300
    },
    {
      "epoch": 2.5833333333333335,
      "grad_norm": 2.4646902084350586,
      "learning_rate": 1.6964013367420967e-06,
      "logits/chosen": -0.3950307369232178,
      "logits/rejected": -0.4174864888191223,
      "logps/chosen": -110.95613098144531,
      "logps/rejected": -136.63735961914062,
      "loss": 0.1678,
      "rewards/accuracies": 0.940625011920929,
      "rewards/chosen": -1.46989107131958,
      "rewards/margins": 5.709423542022705,
      "rewards/rejected": -7.179314613342285,
      "step": 310
    },
    {
      "epoch": 2.6666666666666665,
      "grad_norm": 1.9686604738235474,
      "learning_rate": 1.526520260885363e-06,
      "logits/chosen": -0.392097145318985,
      "logits/rejected": -0.41372960805892944,
      "logps/chosen": -109.32743835449219,
      "logps/rejected": -143.68389892578125,
      "loss": 0.144,
      "rewards/accuracies": 0.9500000476837158,
      "rewards/chosen": -1.5100269317626953,
      "rewards/margins": 6.2663397789001465,
      "rewards/rejected": -7.7763671875,
      "step": 320
    },
    {
      "epoch": 2.75,
      "grad_norm": 0.6470440626144409,
      "learning_rate": 1.3617851611101995e-06,
      "logits/chosen": -0.3830685615539551,
      "logits/rejected": -0.4039232134819031,
      "logps/chosen": -114.06416320800781,
      "logps/rejected": -142.9540557861328,
      "loss": 0.1156,
      "rewards/accuracies": 0.956250011920929,
      "rewards/chosen": -1.9330756664276123,
      "rewards/margins": 5.971068382263184,
      "rewards/rejected": -7.904144287109375,
      "step": 330
    },
    {
      "epoch": 2.8333333333333335,
      "grad_norm": 0.6389434933662415,
      "learning_rate": 1.203066854598696e-06,
      "logits/chosen": -0.38300588726997375,
      "logits/rejected": -0.40373772382736206,
      "logps/chosen": -110.93284606933594,
      "logps/rejected": -142.53802490234375,
      "loss": 0.0967,
      "rewards/accuracies": 0.96875,
      "rewards/chosen": -1.8935884237289429,
      "rewards/margins": 6.009681701660156,
      "rewards/rejected": -7.903270721435547,
      "step": 340
    },
    {
      "epoch": 2.9166666666666665,
      "grad_norm": 0.9258596301078796,
      "learning_rate": 1.0512043527613624e-06,
      "logits/chosen": -0.3910984992980957,
      "logits/rejected": -0.41077184677124023,
      "logps/chosen": -111.24457550048828,
      "logps/rejected": -139.83331298828125,
      "loss": 0.0867,
      "rewards/accuracies": 0.9781249761581421,
      "rewards/chosen": -1.8010632991790771,
      "rewards/margins": 6.172385215759277,
      "rewards/rejected": -7.973448753356934,
      "step": 350
    },
    {
      "epoch": 2.9166666666666665,
      "eval_logits/chosen": -0.40320104360580444,
      "eval_logits/rejected": -0.42338401079177856,
      "eval_logps/chosen": -111.43417358398438,
      "eval_logps/rejected": -139.78598022460938,
      "eval_loss": 0.12995605170726776,
      "eval_rewards/accuracies": 0.9509804248809814,
      "eval_rewards/chosen": -1.841169834136963,
      "eval_rewards/margins": 6.08405876159668,
      "eval_rewards/rejected": -7.925228595733643,
      "eval_runtime": 169.203,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.301,
      "step": 350
    },
    {
      "epoch": 3.0,
      "grad_norm": 1.8412357568740845,
      "learning_rate": 9.070004260830295e-07,
      "logits/chosen": -0.40060946345329285,
      "logits/rejected": -0.42547348141670227,
      "logps/chosen": -108.20175170898438,
      "logps/rejected": -142.8829803466797,
      "loss": 0.1364,
      "rewards/accuracies": 0.9468749761581421,
      "rewards/chosen": -1.6252586841583252,
      "rewards/margins": 6.190016269683838,
      "rewards/rejected": -7.815275192260742,
      "step": 360
    },
    {
      "epoch": 3.0833333333333335,
      "grad_norm": 0.631112813949585,
      "learning_rate": 7.712173605443269e-07,
      "logits/chosen": -0.3964496850967407,
      "logits/rejected": -0.4224715828895569,
      "logps/chosen": -113.43112182617188,
      "logps/rejected": -145.30966186523438,
      "loss": 0.1035,
      "rewards/accuracies": 0.9593750238418579,
      "rewards/chosen": -1.7042003870010376,
      "rewards/margins": 6.479954242706299,
      "rewards/rejected": -8.184154510498047,
      "step": 370
    },
    {
      "epoch": 3.1666666666666665,
      "grad_norm": 1.3086528778076172,
      "learning_rate": 6.445729280509957e-07,
      "logits/chosen": -0.40034162998199463,
      "logits/rejected": -0.42680659890174866,
      "logps/chosen": -107.75439453125,
      "logps/rejected": -144.67581176757812,
      "loss": 0.1031,
      "rewards/accuracies": 0.956250011920929,
      "rewards/chosen": -1.7683058977127075,
      "rewards/margins": 6.546302318572998,
      "rewards/rejected": -8.31460952758789,
      "step": 380
    },
    {
      "epoch": 3.25,
      "grad_norm": 1.708430528640747,
      "learning_rate": 5.277365921720138e-07,
      "logits/chosen": -0.40526118874549866,
      "logits/rejected": -0.4235883057117462,
      "logps/chosen": -112.21919250488281,
      "logps/rejected": -143.82858276367188,
      "loss": 0.1127,
      "rewards/accuracies": 0.96875,
      "rewards/chosen": -2.1424684524536133,
      "rewards/margins": 5.966117858886719,
      "rewards/rejected": -8.108586311340332,
      "step": 390
    },
    {
      "epoch": 3.3333333333333335,
      "grad_norm": 1.018641710281372,
      "learning_rate": 4.2132596924363666e-07,
      "logits/chosen": -0.4011279344558716,
      "logits/rejected": -0.42039811611175537,
      "logps/chosen": -117.45173645019531,
      "logps/rejected": -142.8136749267578,
      "loss": 0.1227,
      "rewards/accuracies": 0.9468749761581421,
      "rewards/chosen": -1.9771944284439087,
      "rewards/margins": 6.230938911437988,
      "rewards/rejected": -8.208133697509766,
      "step": 400
    },
    {
      "epoch": 3.3333333333333335,
      "eval_logits/chosen": -0.40247875452041626,
      "eval_logits/rejected": -0.4235730469226837,
      "eval_logps/chosen": -114.19671630859375,
      "eval_logps/rejected": -144.37567138671875,
      "eval_loss": 0.1292138397693634,
      "eval_rewards/accuracies": 0.9460784792900085,
      "eval_rewards/chosen": -2.117424964904785,
      "eval_rewards/margins": 6.266772270202637,
      "eval_rewards/rejected": -8.384197235107422,
      "eval_runtime": 169.2013,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.301,
      "step": 400
    },
    {
      "epoch": 3.4166666666666665,
      "grad_norm": 0.7059422135353088,
      "learning_rate": 3.2590356354655297e-07,
      "logits/chosen": -0.3985642194747925,
      "logits/rejected": -0.4250812530517578,
      "logps/chosen": -114.51036071777344,
      "logps/rejected": -148.64158630371094,
      "loss": 0.1087,
      "rewards/accuracies": 0.9750000238418579,
      "rewards/chosen": -1.8509716987609863,
      "rewards/margins": 6.692180633544922,
      "rewards/rejected": -8.54315185546875,
      "step": 410
    },
    {
      "epoch": 3.5,
      "grad_norm": 0.7448450326919556,
      "learning_rate": 2.419737938145394e-07,
      "logits/chosen": -0.40017998218536377,
      "logits/rejected": -0.42546790838241577,
      "logps/chosen": -116.61198425292969,
      "logps/rejected": -149.36138916015625,
      "loss": 0.1138,
      "rewards/accuracies": 0.953125,
      "rewards/chosen": -2.080221176147461,
      "rewards/margins": 6.418741703033447,
      "rewards/rejected": -8.49896240234375,
      "step": 420
    },
    {
      "epoch": 3.5833333333333335,
      "grad_norm": 0.6377065777778625,
      "learning_rate": 1.699803267930039e-07,
      "logits/chosen": -0.4011068344116211,
      "logits/rejected": -0.4223814308643341,
      "logps/chosen": -112.07035827636719,
      "logps/rejected": -146.4469757080078,
      "loss": 0.0998,
      "rewards/accuracies": 0.971875011920929,
      "rewards/chosen": -2.045961856842041,
      "rewards/margins": 6.271527290344238,
      "rewards/rejected": -8.317489624023438,
      "step": 430
    },
    {
      "epoch": 3.6666666666666665,
      "grad_norm": 0.9743245840072632,
      "learning_rate": 1.1030373194265114e-07,
      "logits/chosen": -0.4039200246334076,
      "logits/rejected": -0.42375850677490234,
      "logps/chosen": -116.42359161376953,
      "logps/rejected": -149.7032470703125,
      "loss": 0.1447,
      "rewards/accuracies": 0.9343750476837158,
      "rewards/chosen": -2.0571279525756836,
      "rewards/margins": 6.105255126953125,
      "rewards/rejected": -8.162384033203125,
      "step": 440
    },
    {
      "epoch": 3.75,
      "grad_norm": 1.7391022443771362,
      "learning_rate": 6.325946968591318e-08,
      "logits/chosen": -0.39900287985801697,
      "logits/rejected": -0.421191930770874,
      "logps/chosen": -116.2868423461914,
      "logps/rejected": -149.47189331054688,
      "loss": 0.1014,
      "rewards/accuracies": 0.9624999761581421,
      "rewards/chosen": -1.962756872177124,
      "rewards/margins": 6.246945858001709,
      "rewards/rejected": -8.20970344543457,
      "step": 450
    },
    {
      "epoch": 3.75,
      "eval_logits/chosen": -0.4067137837409973,
      "eval_logits/rejected": -0.42797625064849854,
      "eval_logps/chosen": -114.40528869628906,
      "eval_logps/rejected": -144.951416015625,
      "eval_loss": 0.12985311448574066,
      "eval_rewards/accuracies": 0.9460784792900085,
      "eval_rewards/chosen": -2.13828182220459,
      "eval_rewards/margins": 6.303490161895752,
      "eval_rewards/rejected": -8.4417724609375,
      "eval_runtime": 169.2205,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.301,
      "step": 450
    },
    {
      "epoch": 3.8333333333333335,
      "grad_norm": 0.5031156539916992,
      "learning_rate": 7.950040998437541e-07,
      "logits/chosen": -0.3987583518028259,
      "logits/rejected": -0.4246464967727661,
      "logps/chosen": -110.34420776367188,
      "logps/rejected": -146.98077392578125,
      "loss": 0.0858,
      "rewards/accuracies": 0.9781249761581421,
      "rewards/chosen": -1.8703659772872925,
      "rewards/margins": 6.706109046936035,
      "rewards/rejected": -8.576475143432617,
      "step": 460
    },
    {
      "epoch": 3.9166666666666665,
      "grad_norm": 2.1724891662597656,
      "learning_rate": 6.9157759342073e-07,
      "logits/chosen": -0.4023183584213257,
      "logits/rejected": -0.42706167697906494,
      "logps/chosen": -113.64767456054688,
      "logps/rejected": -151.3915252685547,
      "loss": 0.0977,
      "rewards/accuracies": 0.96875,
      "rewards/chosen": -1.927915334701538,
      "rewards/margins": 6.642574310302734,
      "rewards/rejected": -8.570489883422852,
      "step": 470
    },
    {
      "epoch": 4.0,
      "grad_norm": 2.208034038543701,
      "learning_rate": 5.942702159789554e-07,
      "logits/chosen": -0.41028231382369995,
      "logits/rejected": -0.4348015785217285,
      "logps/chosen": -115.01875305175781,
      "logps/rejected": -146.09375,
      "loss": 0.1059,
      "rewards/accuracies": 0.971875011920929,
      "rewards/chosen": -1.9994795322418213,
      "rewards/margins": 6.362839221954346,
      "rewards/rejected": -8.362319946289062,
      "step": 480
    },
    {
      "epoch": 4.083333333333333,
      "grad_norm": 1.2038780450820923,
      "learning_rate": 5.034112248817685e-07,
      "logits/chosen": -0.41040176153182983,
      "logits/rejected": -0.4317142367362976,
      "logps/chosen": -113.03083038330078,
      "logps/rejected": -146.17955017089844,
      "loss": 0.1067,
      "rewards/accuracies": 0.956250011920929,
      "rewards/chosen": -2.1460397243499756,
      "rewards/margins": 6.312833786010742,
      "rewards/rejected": -8.458873748779297,
      "step": 490
    },
    {
      "epoch": 4.166666666666667,
      "grad_norm": 0.9352567195892334,
      "learning_rate": 4.19308058194306e-07,
      "logits/chosen": -0.4176822304725647,
      "logits/rejected": -0.4356018602848053,
      "logps/chosen": -118.86480712890625,
      "logps/rejected": -148.31724548339844,
      "loss": 0.1062,
      "rewards/accuracies": 0.9624999761581421,
      "rewards/chosen": -2.27327823638916,
      "rewards/margins": 6.1437482833862305,
      "rewards/rejected": -8.41702651977539,
      "step": 500
    },
    {
      "epoch": 4.166666666666667,
      "eval_logits/chosen": -0.41935092210769653,
      "eval_logits/rejected": -0.44125983119010925,
      "eval_logps/chosen": -115.37763977050781,
      "eval_logps/rejected": -148.16912841796875,
      "eval_loss": 0.12574315071105957,
      "eval_rewards/accuracies": 0.9509804248809814,
      "eval_rewards/chosen": -2.235517740249634,
      "eval_rewards/margins": 6.528023719787598,
      "eval_rewards/rejected": -8.763542175292969,
      "eval_runtime": 169.1456,
      "eval_samples_per_second": 1.194,
      "eval_steps_per_second": 0.302,
      "step": 500
    }
  ],
  "logging_steps": 10,
  "max_steps": 600,
  "num_input_tokens_seen": 0,
  "num_train_epochs": 5,
  "save_steps": 50,
  "stateful_callbacks": {
    "TrainerControl": {
      "args": {
        "should_epoch_stop": false,
        "should_evaluate": false,
        "should_log": false,
        "should_save": true,
        "should_training_stop": false
      },
      "attributes": {}
    }
  },
  "total_flos": 5.136447974510952e+18,
  "train_batch_size": 2,
  "trial_name": null,
  "trial_params": null
}


帮我看一下dpo训练效果


Assistant: 根据你提供的训练日志数据，这里是对DPO（Direct Preference Optimization）训练效果的分析：

---

### 1. 训练过程整体趋势

- 训练进行了大约4.17个epoch，步数达到500，总计划600步。
- 损失（loss）整体呈下降趋势，从初期的较高值（约7.7）下降至最终0.1附近，说明模型在训练过程中在逐步收敛。
- 精度(rewards/accuracies)从初期很低（约0.07），逐渐提升到约0.95~0.97的水平，表明模型在选择“chosen”样本方面的表现显著提升。
- 学习率逐渐从10^-6级别慢慢减少到低于10^-7级别，符合常规的学习率衰减策略。

---

### 2. 评价指标（Evaluation Metrics）

- 评估时的loss较训练时略有波动，但整体维持在0.12左右，波动较小，说明模型在验证集上的表现稳定。
- 评估集的accuracy也持续维持高位（约0.95），与训练集表现接近，说明模型没有出现明显的过拟合。
- 评估奖励(rewards)的chosen、margins、rejected均保持合理的分布状态，margins始终为正且较大，表明模型能够明显区分“chosen”和“rejected”样本。

---

### 3. logits和log概率

- “logits/chosen”在训练过程中从-0.94逐渐增加（趋向0附近），而“logits/rejected”从-0.97逐渐降低（更负值），两者差距拉开，符合dpo目标——增强对“chosen”样本的概率。
- logps(chosen)和logps(rejected)差异不断扩大，进一步说明模型对首选样本评分更高，拒绝样本评分更低。

---

### 4. 梯度范数（grad_norm）

- 梯度范数从训练初期较高水平（>50）迅速下降到接近1以下并保持稳定，意味着参数更新逐渐收敛，训练过程较为稳定，无异常震荡。

---

### 5. 总结建议

- **训练效果良好**：模型表现为准确率高达95%以上，损失低且平稳，表明训练基本成功。
- **稳定性不错**：评估集表现良好且平滑，未有明显过拟合。梯度范数稳定，优化过程健康。
- **后续可考虑**：
  - 继续训练至600步观察是否有进一步提升。
  - 尝试调整学习率策略（如提前停止衰减）可能进一步提升稳定性。
  - 分析模型在测试集的表现以验证泛化能力。
  - 若任务允许，尝试增大batch size和采样更多训练样本，提高模型效果。

---

如果有更具体的目标或指标需求，可以提供，我可以进一步帮你解读和分析。
User: 收敛了吗
Assistant: