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ModelHub XC 460b68bc24 初始化项目，由ModelHub XC社区提供模型 
Model: W-61/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200
Source: Original Platform
2026-04-24 10:33:04 +08:00

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[W CUDAAllocatorConfig.h:28] Warning: expandable_segments not supported on this platform (function operator())
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2026-04-10 23:31:29 - INFO - __main__ - Model parameters ModelArguments(base_model_revision=None, model_name_or_path='/scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758', model_revision='main', model_code_revision=None, torch_dtype='bfloat16', tokenizer_name_or_path=None, trust_remote_code=False, attn_implementation='flash_attention_2', use_peft=False, lora_r=16, lora_alpha=32, lora_dropout=0.05, lora_target_modules=None, lora_modules_to_save=None, load_in_8bit=False, load_in_4bit=False, bnb_4bit_quant_type='nf4', use_bnb_nested_quant=False, bnb_4bit_quant_storage='uint8')
2026-04-10 23:31:29 - INFO - __main__ - Data parameters DataArguments(chat_template=None, dataset_mixer={'Anthropic/hh-rlhf': 1.0}, text_column='text', dataset_splits=['train', 'test'], dataset_configs=['helpful-base'], dataset_dir=None, preprocessing_num_workers=12, use_persistent_hf_cache=True, hf_cache_dir='/scratch/feng.yulu/dynamic-dpo-v4/hf/datasets', truncation_side=None, auto_insert_empty_system_msg=True, preprocessing_log_samples=0, preprocessing_log_dir=None)
2026-04-10 23:31:29 - INFO - __main__ - Training/evaluation parameters EpsilonDPOConfig(
_n_gpu=1,
accelerator_config={'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None, 'use_configured_state': False},
adafactor=False,
adam_beta1=0.9,
adam_beta2=0.999,
adam_epsilon=1e-08,
auto_find_batch_size=False,
average_tokens_across_devices=False,
batch_eval_metrics=False,
beta=0.01,
bf16=True,
bf16_full_eval=False,
data_seed=None,
dataloader_drop_last=True,
dataloader_num_workers=0,
dataloader_persistent_workers=False,
dataloader_pin_memory=True,
dataloader_prefetch_factor=None,
dataset_num_proc=12,
ddp_backend=None,
ddp_broadcast_buffers=None,
ddp_bucket_cap_mb=None,
ddp_find_unused_parameters=None,
ddp_timeout=1800,
debug=[],
deepspeed=None,
disable_dropout=True,
disable_tqdm=False,
do_eval=True,
do_predict=False,
do_train=False,
epsilon=0.01,
eval_accumulation_steps=None,
eval_delay=0,
eval_do_concat_batches=True,
eval_on_start=False,
eval_steps=100,
eval_strategy=IntervalStrategy.STEPS,
eval_use_gather_object=False,
f_alpha_divergence_coef=1.0,
f_divergence_type=FDivergenceType.REVERSE_KL,
force_use_ref_model=False,
fp16=False,
fp16_backend=auto,
fp16_full_eval=False,
fp16_opt_level=O1,
fsdp=[],
fsdp_config={'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False},
fsdp_min_num_params=0,
fsdp_transformer_layer_cls_to_wrap=None,
full_determinism=False,
generate_during_eval=False,
gradient_accumulation_steps=1,
gradient_checkpointing=True,
gradient_checkpointing_kwargs={'use_reentrant': False},
greater_is_better=None,
group_by_length=False,
half_precision_backend=auto,
hub_always_push=False,
hub_model_id=W-61/llama-3-8b-base-epsilon-dpo-hh-helpful,
hub_model_revision=main,
hub_private_repo=None,
hub_strategy=HubStrategy.EVERY_SAVE,
hub_token=<HUB_TOKEN>,
ignore_data_skip=False,
include_for_metrics=[],
include_inputs_for_metrics=False,
include_num_input_tokens_seen=False,
include_tokens_per_second=False,
is_encoder_decoder=None,
jit_mode_eval=False,
label_names=None,
label_pad_token_id=-100,
label_smoothing=0.0,
label_smoothing_factor=0.0,
learning_rate=5e-07,
length_column_name=length,
load_best_model_at_end=False,
local_rank=0,
log_level=info,
log_level_replica=warning,
log_on_each_node=True,
logging_dir=outputs/llama-3-8b-base-epsilon-dpo-hh-helpful/runs/Apr10_23-31-28_d4054,
logging_first_step=True,
logging_nan_inf_filter=True,
logging_steps=5,
logging_strategy=IntervalStrategy.STEPS,
loss_type=sigmoid,
lr_scheduler_kwargs={},
lr_scheduler_type=SchedulerType.COSINE,
max_grad_norm=1.0,
max_length=512,
max_prompt_length=256,
max_steps=-1,
max_target_length=None,
metric_for_best_model=None,
model_adapter_name=None,
model_init_kwargs=None,
mp_parameters=,
neftune_noise_alpha=None,
no_cuda=False,
non_finite_logits_handling=error,
num_train_epochs=1,
optim=OptimizerNames.ADAMW_TORCH,
optim_args=None,
optim_target_modules=None,
output_dir=/scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108,
overwrite_output_dir=False,
padding_value=None,
past_index=-1,
per_device_eval_batch_size=16,
per_device_train_batch_size=16,
post_tokenization_log_dir=None,
post_tokenization_log_samples=0,
precompute_ref_batch_size=None,
precompute_ref_eval_batch_size=None,
precompute_ref_log_probs=False,
prediction_loss_only=False,
push_to_hub=False,
push_to_hub_model_id=None,
push_to_hub_organization=None,
push_to_hub_token=<PUSH_TO_HUB_TOKEN>,
ray_scope=last,
ref_adapter_name=None,
ref_model_init_kwargs=None,
ref_model_mixup_alpha=0.9,
ref_model_sync_steps=64,
reference_free=False,
remove_unused_columns=False,
report_to=['wandb'],
restore_callback_states_from_checkpoint=False,
resume_from_checkpoint=None,
reuse_tokenized_dataset=True,
rpo_alpha=None,
run_name=llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108,
save_on_each_node=False,
save_only_model=False,
save_safetensors=True,
save_steps=200,
save_strategy=SaveStrategy.STEPS,
save_total_limit=2,
seed=42,
sft_weight=0.0,
skip_memory_metrics=True,
sync_ref_model=False,
tf32=None,
tokenization_batch_size=128,
tokenization_mode=online,
tokenized_dataset_cache_dir=/scratch/feng.yulu/dynamic-dpo-v4/tokenized_preferences,
torch_compile=False,
torch_compile_backend=None,
torch_compile_mode=None,
torch_empty_cache_steps=None,
torchdynamo=None,
tp_size=0,
tpu_metrics_debug=False,
tpu_num_cores=None,
trainer_type=epsilon_dpo,
truncation_mode=keep_end,
use_cpu=False,
use_ipex=False,
use_legacy_prediction_loop=False,
use_liger_kernel=False,
use_mps_device=False,
warmup_ratio=0.1,
warmup_steps=0,
weight_decay=0.0,
)
2026-04-10 23:31:29 - INFO - __main__ - Epsilon-DPO parameters: beta=0.01, epsilon=0.01, gradient_accumulation_steps=1
2026-04-10 23:31:29 - INFO - __main__ - Using persistent HF datasets cache at /scratch/feng.yulu/dynamic-dpo-v4/hf/datasets
2026-04-10 23:31:33 - WARNING - __main__ - Dropped 237 non-canonical HH preference examples from split `train` before normalization (126 x HH preprocessing expects exactly one final assistant response in chosen/rejected suffixes., 111 x HH chosen/rejected transcripts must each contain a divergent assistant response.).
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2026-04-10 23:31:38 - WARNING - __main__ - Dropped 15 non-canonical HH preference examples from split `test` before normalization (9 x HH preprocessing expects exactly one final assistant response in chosen/rejected suffixes., 6 x HH chosen/rejected transcripts must each contain a divergent assistant response.).
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2026-04-10 23:31:38 - INFO - __main__ - Training on the following splits: ['train : 43598', 'test : 2339']
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file tokenizer.json
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file tokenizer.model
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file added_tokens.json
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file special_tokens_map.json
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file tokenizer_config.json
[INFO|tokenization_utils_base.py:2058] 2026-04-10 23:31:38,617 >> loading file chat_template.jinja
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Normalizing raw HH preferences (test): 94%|█████████▍| 2204/2339 [00:00<00:00, 11051.49 examples/s][INFO|tokenization_utils_base.py:2323] 2026-04-10 23:31:39,029 >> Special tokens have been added in the vocabulary, make sure the associated word embeddings are fine-tuned or trained.
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2026-04-10 23:31:39 - INFO - __main__ - Processed train sample 41905:
Prompt:
<|begin_of_text|><|start_header_id|>user<|end_header_id|>
What is the best way to clean my refrigerator?<|eot_id|><|start_header_id|>assistant<|end_header_id|>
Well, I have a few ideas, but the best way to know what works best is to run some tests and then analyze the data to figure out which technique works best.<|eot_id|><|start_header_id|>user<|end_header_id|>
What are your ideas?<|eot_id|>
Chosen:
<|start_header_id|>assistant<|end_header_id|>
Some of my ideas include wiping down the interior with a rag, using bleach and water to wipe down the door, emptying the contents of the fridge to scrub the shelves with a clean cloth, cleaning the interior of the fridge with vinegar and water, and using a vacuum cleaner to clean the interior.<|eot_id|>
Rejected:
<|start_header_id|>assistant<|end_header_id|>
I was thinking that you could try different types of soap, which could be a variation of “soap,” like antibacterial soap. I was also thinking that you could try using different tools, like a toothbrush, to clean the inside. Or I was thinking that you could try different ways to get the gunk out, like using a squeegee, or using a paper towel. I was also thinking you could try other types of cleaning, like vacuuming, but I think that could have the opposite of the desired effect.<|eot_id|>
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
[INFO|configuration_utils.py:691] 2026-04-10 23:31:39,350 >> loading configuration file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/config.json
[INFO|configuration_utils.py:765] 2026-04-10 23:31:39,351 >> Model config LlamaConfig {
"architectures": [
"LlamaForCausalLM"
],
"attention_bias": false,
"attention_dropout": 0.0,
"bos_token_id": 128000,
"eos_token_id": 128001,
"head_dim": 128,
"hidden_act": "silu",
"hidden_size": 4096,
"initializer_range": 0.02,
"intermediate_size": 14336,
"max_position_embeddings": 8192,
"mlp_bias": false,
"model_type": "llama",
"num_attention_heads": 32,
"num_hidden_layers": 32,
"num_key_value_heads": 8,
"pretraining_tp": 1,
"rms_norm_eps": 1e-05,
"rope_scaling": null,
"rope_theta": 500000.0,
"tie_word_embeddings": false,
"torch_dtype": "bfloat16",
"transformers_version": "4.51.0",
"use_cache": false,
"vocab_size": 128256
}
[INFO|modeling_utils.py:1121] 2026-04-10 23:31:39,359 >> loading weights file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/model.safetensors.index.json
[INFO|modeling_utils.py:2167] 2026-04-10 23:31:39,360 >> Instantiating LlamaForCausalLM model under default dtype torch.bfloat16.
[WARNING|logging.py:328] 2026-04-10 23:31:39,362 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
[INFO|configuration_utils.py:1142] 2026-04-10 23:31:39,363 >> Generate config GenerationConfig {
"bos_token_id": 128000,
"eos_token_id": 128001,
"use_cache": false
}
Loading checkpoint shards: 0%| | 0/7 [00:00<?, ?it/s]/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
[WARNING|logging.py:328] 2026-04-10 23:31:39,557 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
[WARNING|logging.py:328] 2026-04-10 23:31:39,557 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
[WARNING|logging.py:328] 2026-04-10 23:31:39,558 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
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warnings.warn(
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
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/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:391: UserWarning: You passed a model_id to the trainer. This will automatically create an `AutoModelForCausalLM` or a `PeftModel` (if you passed a `peft_config`) for you.
warnings.warn(
[WARNING|logging.py:328] 2026-04-10 23:31:39,623 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
[WARNING|logging.py:328] 2026-04-10 23:31:39,627 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
[WARNING|logging.py:328] 2026-04-10 23:31:39,631 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
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warnings.warn(
[WARNING|logging.py:328] 2026-04-10 23:31:39,780 >> You are attempting to use Flash Attention 2.0 with a model not initialized on GPU. Make sure to move the model to GPU after initializing it on CPU with `model.to('cuda')`.
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[WARNING|trainer.py:821] 2026-04-10 23:31:39,831 >> Trainer.tokenizer is now deprecated. You should use `Trainer.processing_class = processing_class` instead.
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[WARNING|trainer.py:821] 2026-04-10 23:31:39,885 >> Trainer.tokenizer is now deprecated. You should use `Trainer.processing_class = processing_class` instead.
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[WARNING|trainer.py:821] 2026-04-10 23:31:39,900 >> Trainer.tokenizer is now deprecated. You should use `Trainer.processing_class = processing_class` instead.
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[WARNING|trainer.py:821] 2026-04-10 23:31:40,022 >> Trainer.tokenizer is now deprecated. You should use `Trainer.processing_class = processing_class` instead.
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[INFO|modeling_utils.py:4926] 2026-04-10 23:31:47,490 >> All model checkpoint weights were used when initializing LlamaForCausalLM.
[INFO|modeling_utils.py:4934] 2026-04-10 23:31:47,490 >> All the weights of LlamaForCausalLM were initialized from the model checkpoint at /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758.
If your task is similar to the task the model of the checkpoint was trained on, you can already use LlamaForCausalLM for predictions without further training.
[INFO|configuration_utils.py:1095] 2026-04-10 23:31:47,492 >> loading configuration file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/generation_config.json
[INFO|configuration_utils.py:1142] 2026-04-10 23:31:47,492 >> Generate config GenerationConfig {
"bos_token_id": 128000,
"do_sample": true,
"eos_token_id": 128001,
"max_length": 4096,
"temperature": 0.6,
"top_p": 0.9
}
[INFO|configuration_utils.py:691] 2026-04-10 23:31:47,493 >> loading configuration file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/config.json
[INFO|configuration_utils.py:765] 2026-04-10 23:31:47,494 >> Model config LlamaConfig {
"architectures": [
"LlamaForCausalLM"
],
"attention_bias": false,
"attention_dropout": 0.0,
"bos_token_id": 128000,
"eos_token_id": 128001,
"head_dim": 128,
"hidden_act": "silu",
"hidden_size": 4096,
"initializer_range": 0.02,
"intermediate_size": 14336,
"max_position_embeddings": 8192,
"mlp_bias": false,
"model_type": "llama",
"num_attention_heads": 32,
"num_hidden_layers": 32,
"num_key_value_heads": 8,
"pretraining_tp": 1,
"rms_norm_eps": 1e-05,
"rope_scaling": null,
"rope_theta": 500000.0,
"tie_word_embeddings": false,
"torch_dtype": "bfloat16",
"transformers_version": "4.51.0",
"use_cache": false,
"vocab_size": 128256
}
[INFO|modeling_utils.py:1121] 2026-04-10 23:31:47,495 >> loading weights file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/model.safetensors.index.json
[INFO|modeling_utils.py:2167] 2026-04-10 23:31:47,495 >> Instantiating LlamaForCausalLM model under default dtype torch.bfloat16.
[INFO|configuration_utils.py:1142] 2026-04-10 23:31:47,498 >> Generate config GenerationConfig {
"bos_token_id": 128000,
"eos_token_id": 128001,
"use_cache": false
}
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[INFO|modeling_utils.py:4926] 2026-04-10 23:31:55,706 >> All model checkpoint weights were used when initializing LlamaForCausalLM.
[INFO|modeling_utils.py:4934] 2026-04-10 23:31:55,706 >> All the weights of LlamaForCausalLM were initialized from the model checkpoint at /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758.
If your task is similar to the task the model of the checkpoint was trained on, you can already use LlamaForCausalLM for predictions without further training.
[INFO|configuration_utils.py:1095] 2026-04-10 23:31:55,708 >> loading configuration file /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-sft-hh-helpful-8xh200-20260410-133758/generation_config.json
[INFO|configuration_utils.py:1142] 2026-04-10 23:31:55,708 >> Generate config GenerationConfig {
"bos_token_id": 128000,
"do_sample": true,
"eos_token_id": 128001,
"max_length": 4096,
"temperature": 0.6,
"top_p": 0.9
}
[WARNING|trainer.py:821] 2026-04-10 23:31:55,709 >> Trainer.tokenizer is now deprecated. You should use `Trainer.processing_class = processing_class` instead.
[WARNING|trainer.py:816] 2026-04-10 23:31:55,710 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
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Tokenizing train (num_proc=12): 100%|█████████▉| 43549/43598 [05:08<00:00, 1253.56 examples/s]Traceback (most recent call last):
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/process.py", line 314, in _bootstrap
self.run()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/managers.py", line 600, in _run_server
server.serve_forever()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/managers.py", line 184, in serve_forever
sys.exit(0)
SystemExit: 0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 300, in _run_finalizers
finalizer()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 224, in __call__
res = self._callback(*self._args, **self._kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 133, in _remove_temp_dir
rmtree(tempdir)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 752, in rmtree
_rmtree_safe_fd(fd, path, onerror)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 703, in _rmtree_safe_fd
onerror(os.unlink, fullname, sys.exc_info())
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 701, in _rmtree_safe_fd
os.unlink(entry.name, dir_fd=topfd)
OSError: [Errno 16] Device or resource busy: '.nfsbcd1ded41614a8ea00001e63'
Tokenizing train (num_proc=12): 100%|██████████| 43598/43598 [05:08<00:00, 141.15 examples/s]
[WARNING|trainer.py:816] 2026-04-10 23:37:47,834 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
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Saving the dataset (2/2 shards): 100%|██████████| 43598/43598 [00:01<00:00, 32295.33 examples/s]
[WARNING|trainer.py:816] 2026-04-10 23:37:50,336 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
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Tokenizing test (num_proc=12): 97%|█████████▋| 2273/2339 [05:11<00:08, 7.60 examples/s]Traceback (most recent call last):
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/process.py", line 314, in _bootstrap
self.run()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/process.py", line 108, in run
self._target(*self._args, **self._kwargs)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/managers.py", line 600, in _run_server
server.serve_forever()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/managers.py", line 184, in serve_forever
sys.exit(0)
SystemExit: 0
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 300, in _run_finalizers
finalizer()
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 224, in __call__
res = self._callback(*self._args, **self._kwargs)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/multiprocess/util.py", line 133, in _remove_temp_dir
rmtree(tempdir)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 752, in rmtree
_rmtree_safe_fd(fd, path, onerror)
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 703, in _rmtree_safe_fd
onerror(os.unlink, fullname, sys.exc_info())
File "/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/shutil.py", line 701, in _rmtree_safe_fd
os.unlink(entry.name, dir_fd=topfd)
OSError: [Errno 16] Device or resource busy: '.nfs934857c9318be11600001e64'
Tokenizing test (num_proc=12): 100%|██████████| 2339/2339 [05:11<00:00, 7.51 examples/s]
[WARNING|trainer.py:816] 2026-04-10 23:43:39,489 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
Saving the dataset (0/1 shards): 0%| | 0/2339 [00:00<?, ? examples/s]
Saving the dataset (1/1 shards): 100%|██████████| 2339/2339 [00:00<00:00, 31677.97 examples/s]
Saving the dataset (1/1 shards): 100%|██████████| 2339/2339 [00:00<00:00, 31622.22 examples/s]
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[WARNING|trainer.py:816] 2026-04-10 23:43:42,305 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,305 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,306 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,306 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,306 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,307 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,307 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,532 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,533 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,533 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,533 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,533 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,533 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[WARNING|trainer.py:816] 2026-04-10 23:43:42,551 >> Trainer.tokenizer is now deprecated. You should use Trainer.processing_class instead.
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
/home/feng.yulu/dynamic-dpo-v4/scripts/tokenized_dpo_trainer.py:518: FutureWarning: `tokenizer` is deprecated and will be removed in version 5.0.0 for `EpsilonDPOTrainer.__init__`. Use `processing_class` instead.
super().__init__(
[INFO|trainer.py:748] 2026-04-10 23:43:42,585 >> Using auto half precision backend
/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/accelerate/accelerator.py:1557: UserWarning: Upcasted low precision parameters in LlamaForCausalLM because mixed precision turned on in FSDP. Affects: model.embed_tokens.weight, model.norm.weight, lm_head.weight.
warnings.warn(
/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/accelerate/accelerator.py:1557: UserWarning: Upcasted low precision parameters in LlamaDecoderLayer because mixed precision turned on in FSDP. Affects: self_attn.q_proj.weight, self_attn.k_proj.weight, self_attn.v_proj.weight, self_attn.o_proj.weight, mlp.gate_proj.weight, mlp.up_proj.weight, mlp.down_proj.weight, input_layernorm.weight, post_attention_layernorm.weight.
warnings.warn(
/home/feng.yulu/.conda/envs/dpo_venv/lib/python3.11/site-packages/accelerate/accelerator.py:1563: UserWarning: FSDP upcast of low precision parameters may affect the precision of model checkpoints.
warnings.warn(
[INFO|trainer.py:2414] 2026-04-10 23:43:47,713 >> ***** Running training *****
[INFO|trainer.py:2415] 2026-04-10 23:43:47,713 >> Num examples = 43,598
[INFO|trainer.py:2416] 2026-04-10 23:43:47,713 >> Num Epochs = 1
[INFO|trainer.py:2417] 2026-04-10 23:43:47,713 >> Instantaneous batch size per device = 16
[INFO|trainer.py:2420] 2026-04-10 23:43:47,713 >> Total train batch size (w. parallel, distributed & accumulation) = 128
[INFO|trainer.py:2421] 2026-04-10 23:43:47,713 >> Gradient Accumulation steps = 1
[INFO|trainer.py:2422] 2026-04-10 23:43:47,713 >> Total optimization steps = 340
[INFO|trainer.py:2423] 2026-04-10 23:43:47,714 >> Number of trainable parameters = 1,003,782,656
[INFO|integration_utils.py:831] 2026-04-10 23:43:47,714 >> Automatic Weights & Biases logging enabled, to disable set os.environ["WANDB_DISABLED"] = "true"
wandb: Currently logged in as: can-not-fand (can-not-fand-northeastern-university). Use `wandb login --relogin` to force relogin
wandb: wandb version 0.25.1 is available! To upgrade, please run:
wandb: $ pip install wandb --upgrade
wandb: Tracking run with wandb version 0.17.5
wandb: Run data is saved locally in /scratch/feng.yulu/dynamic-dpo-v4/wandb/wandb/run-20260410_234350-4j5nnm1b
wandb: Run `wandb offline` to turn off syncing.
wandb: Syncing run llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108
wandb: ⭐️ View project at https://wandb.ai/can-not-fand-northeastern-university/huggingface
wandb: 🚀 View run at https://wandb.ai/can-not-fand-northeastern-university/huggingface/runs/4j5nnm1b
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[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,949 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,949 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,950 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,951 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,951 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,951 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
[WARNING|modeling_utils.py:1713] 2026-04-10 23:43:56,951 >> Could not estimate the number of tokens of the input, floating-point operations will not be computed
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{'loss': 0.6932, 'grad_norm': 2.3687267303466797, 'learning_rate': 0.0, 'rewards/chosen': 9.683193638920784e-06, 'rewards/rejected': 0.00013133684115018696, 'rewards/accuracies': 0.515625, 'rewards/margins': -0.0001216536620631814, 'logps/chosen': -69.28079223632812, 'logps/rejected': -69.7318344116211, 'logps/ref_chosen': -69.2831802368164, 'logps/ref_rejected': -69.74366760253906, 'logits/chosen': -0.5232092142105103, 'logits/rejected': -0.36964714527130127, 'kl/p_epsilon_steps': 0.5, 'kl/n_epsilon_steps': 0.5, 'kl/beta': 0.009999999776482582, 'kl/avg_steps': 0.0, 'epoch': 0.0}
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{'loss': 0.6932, 'grad_norm': 2.401517868041992, 'learning_rate': 5.88235294117647e-08, 'rewards/chosen': -0.00011636512499535456, 'rewards/rejected': -3.8100268284324557e-05, 'rewards/accuracies': 0.505859375, 'rewards/margins': -7.826486398698762e-05, 'logps/chosen': -75.71084594726562, 'logps/rejected': -81.47822570800781, 'logps/ref_chosen': -75.70054626464844, 'logps/ref_rejected': -81.47293090820312, 'logits/chosen': -0.5336302518844604, 'logits/rejected': -0.41014784574508667, 'kl/p_epsilon_steps': 0.5, 'kl/n_epsilon_steps': 0.498046875, 'kl/beta': 0.009997854940593243, 'kl/avg_steps': 0.001953125, 'epoch': 0.01}
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{'loss': 0.6932, 'grad_norm': 2.312957525253296, 'learning_rate': 1.3235294117647057e-07, 'rewards/chosen': -7.36937508918345e-05, 'rewards/rejected': -6.373519863700494e-05, 'rewards/accuracies': 0.4765625, 'rewards/margins': -9.958527698472608e-06, 'logps/chosen': -77.008544921875, 'logps/rejected': -82.64922332763672, 'logps/ref_chosen': -77.0025405883789, 'logps/ref_rejected': -82.64138793945312, 'logits/chosen': -0.5401719808578491, 'logits/rejected': -0.4321846067905426, 'kl/p_epsilon_steps': 0.4703125059604645, 'kl/n_epsilon_steps': 0.5234375, 'kl/beta': 0.010005339980125427, 'kl/avg_steps': -0.05312500149011612, 'epoch': 0.03}
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{'loss': 0.6928, 'grad_norm': 2.890460968017578, 'learning_rate': 2.0588235294117645e-07, 'rewards/chosen': 8.707816596142948e-05, 'rewards/rejected': -0.0005263587227091193, 'rewards/accuracies': 0.5718749761581421, 'rewards/margins': 0.0006134368595667183, 'logps/chosen': -70.82783508300781, 'logps/rejected': -87.48735809326172, 'logps/ref_chosen': -70.83788299560547, 'logps/ref_rejected': -87.43305206298828, 'logits/chosen': -0.5125764608383179, 'logits/rejected': -0.4432317316532135, 'kl/p_epsilon_steps': 0.5640624761581421, 'kl/n_epsilon_steps': 0.43437498807907104, 'kl/beta': 0.010008977726101875, 'kl/avg_steps': 0.12968750298023224, 'epoch': 0.04}
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{'loss': 0.6922, 'grad_norm': 2.124864101409912, 'learning_rate': 2.7941176470588235e-07, 'rewards/chosen': 0.00024056310940068215, 'rewards/rejected': -0.0016350041842088103, 'rewards/accuracies': 0.6499999761581421, 'rewards/margins': 0.0018755672499537468, 'logps/chosen': -70.1437759399414, 'logps/rejected': -82.44139099121094, 'logps/ref_chosen': -70.1697006225586, 'logps/ref_rejected': -82.27420806884766, 'logits/chosen': -0.5464522242546082, 'logits/rejected': -0.4405369162559509, 'kl/p_epsilon_steps': 0.6312500238418579, 'kl/n_epsilon_steps': 0.3656249940395355, 'kl/beta': 0.009920386597514153, 'kl/avg_steps': 0.265625, 'epoch': 0.06}
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{'loss': 0.6904, 'grad_norm': 2.521970510482788, 'learning_rate': 3.529411764705882e-07, 'rewards/chosen': 0.0008119211415760219, 'rewards/rejected': -0.00473719323053956, 'rewards/accuracies': 0.7796875238418579, 'rewards/margins': 0.005549114663153887, 'logps/chosen': -74.4179458618164, 'logps/rejected': -90.02223205566406, 'logps/ref_chosen': -74.5040283203125, 'logps/ref_rejected': -89.5297622680664, 'logits/chosen': -0.568504273891449, 'logits/rejected': -0.4329379200935364, 'kl/p_epsilon_steps': 0.7718750238418579, 'kl/n_epsilon_steps': 0.22812500596046448, 'kl/beta': 0.009726567193865776, 'kl/avg_steps': 0.543749988079071, 'epoch': 0.07}
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{'loss': 0.6867, 'grad_norm': 2.3963418006896973, 'learning_rate': 4.264705882352941e-07, 'rewards/chosen': 0.0004493276646826416, 'rewards/rejected': -0.012645403854548931, 'rewards/accuracies': 0.8125, 'rewards/margins': 0.01309473067522049, 'logps/chosen': -76.55107879638672, 'logps/rejected': -83.71476745605469, 'logps/ref_chosen': -76.60227966308594, 'logps/ref_rejected': -82.36322784423828, 'logits/chosen': -0.6653466820716858, 'logits/rejected': -0.49282917380332947, 'kl/p_epsilon_steps': 0.7828124761581421, 'kl/n_epsilon_steps': 0.21562500298023224, 'kl/beta': 0.00945484172552824, 'kl/avg_steps': 0.567187488079071, 'epoch': 0.09}
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{'loss': 0.6835, 'grad_norm': 2.311098337173462, 'learning_rate': 5e-07, 'rewards/chosen': -0.003281622426584363, 'rewards/rejected': -0.02297242358326912, 'rewards/accuracies': 0.809374988079071, 'rewards/margins': 0.019690800458192825, 'logps/chosen': -76.14710998535156, 'logps/rejected': -86.21320343017578, 'logps/ref_chosen': -75.79379272460938, 'logps/ref_rejected': -83.69039154052734, 'logits/chosen': -0.6610927581787109, 'logits/rejected': -0.5268033146858215, 'kl/p_epsilon_steps': 0.776562511920929, 'kl/n_epsilon_steps': 0.22187499701976776, 'kl/beta': 0.009198471903800964, 'kl/avg_steps': 0.5546875, 'epoch': 0.1}
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{'loss': 0.6732, 'grad_norm': 2.681466817855835, 'learning_rate': 4.996706849759452e-07, 'rewards/chosen': -0.021187324076890945, 'rewards/rejected': -0.06287702172994614, 'rewards/accuracies': 0.78125, 'rewards/margins': 0.04168969392776489, 'logps/chosen': -77.57659149169922, 'logps/rejected': -93.75047302246094, 'logps/ref_chosen': -75.21812438964844, 'logps/ref_rejected': -86.6792984008789, 'logits/chosen': -0.8570469617843628, 'logits/rejected': -0.7218376398086548, 'kl/p_epsilon_steps': 0.703125, 'kl/n_epsilon_steps': 0.2953124940395355, 'kl/beta': 0.008961381390690804, 'kl/avg_steps': 0.4078125059604645, 'epoch': 0.12}
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{'loss': 0.6712, 'grad_norm': 3.3687705993652344, 'learning_rate': 4.970413680203148e-07, 'rewards/chosen': -0.07562652230262756, 'rewards/rejected': -0.12378251552581787, 'rewards/accuracies': 0.698437511920929, 'rewards/margins': 0.048155996948480606, 'logps/chosen': -82.58769226074219, 'logps/rejected': -94.2342758178711, 'logps/ref_chosen': -73.91633605957031, 'logps/ref_rejected': -79.92402648925781, 'logits/chosen': -1.0613696575164795, 'logits/rejected': -0.921216607093811, 'kl/p_epsilon_steps': 0.6031249761581421, 'kl/n_epsilon_steps': 0.3968749940395355, 'kl/beta': 0.008690183982253075, 'kl/avg_steps': 0.20624999701976776, 'epoch': 0.15}
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{'loss': 0.6639, 'grad_norm': 4.448400020599365, 'learning_rate': 4.947482930773511e-07, 'rewards/chosen': -0.10501708835363388, 'rewards/rejected': -0.17072856426239014, 'rewards/accuracies': 0.6859375238418579, 'rewards/margins': 0.06571148335933685, 'logps/chosen': -91.91180419921875, 'logps/rejected': -103.12516021728516, 'logps/ref_chosen': -79.74378204345703, 'logps/ref_rejected': -83.18132019042969, 'logits/chosen': -1.1757243871688843, 'logits/rejected': -1.0121644735336304, 'kl/p_epsilon_steps': 0.604687511920929, 'kl/n_epsilon_steps': 0.39375001192092896, 'kl/beta': 0.00860314816236496, 'kl/avg_steps': 0.2109375, 'epoch': 0.16}
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{'loss': 0.6663, 'grad_norm': 3.918736219406128, 'learning_rate': 4.918104238142103e-07, 'rewards/chosen': -0.14256855845451355, 'rewards/rejected': -0.20627903938293457, 'rewards/accuracies': 0.660937488079071, 'rewards/margins': 0.06371048837900162, 'logps/chosen': -98.29524993896484, 'logps/rejected': -105.27479553222656, 'logps/ref_chosen': -81.61141967773438, 'logps/ref_rejected': -80.947998046875, 'logits/chosen': -1.2249476909637451, 'logits/rejected': -1.1036134958267212, 'kl/p_epsilon_steps': 0.5859375, 'kl/n_epsilon_steps': 0.4140625, 'kl/beta': 0.008520014584064484, 'kl/avg_steps': 0.171875, 'epoch': 0.18}
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{'loss': 0.6479, 'grad_norm': 3.5865535736083984, 'learning_rate': 4.882355001067891e-07, 'rewards/chosen': -0.14002391695976257, 'rewards/rejected': -0.24343439936637878, 'rewards/accuracies': 0.6875, 'rewards/margins': 0.10341048240661621, 'logps/chosen': -91.71420288085938, 'logps/rejected': -117.06733703613281, 'logps/ref_chosen': -75.09439849853516, 'logps/ref_rejected': -87.96830749511719, 'logits/chosen': -1.2322965860366821, 'logits/rejected': -1.151759147644043, 'kl/p_epsilon_steps': 0.637499988079071, 'kl/n_epsilon_steps': 0.3609375059604645, 'kl/beta': 0.00841777864843607, 'kl/avg_steps': 0.27656251192092896, 'epoch': 0.19}
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{'loss': 0.6462, 'grad_norm': 3.871297836303711, 'learning_rate': 4.840329401637809e-07, 'rewards/chosen': -0.16316808760166168, 'rewards/rejected': -0.27303391695022583, 'rewards/accuracies': 0.7265625, 'rewards/margins': 0.10986582934856415, 'logps/chosen': -89.69293975830078, 'logps/rejected': -122.0387954711914, 'logps/ref_chosen': -70.07804870605469, 'logps/ref_rejected': -88.98612976074219, 'logits/chosen': -1.2796670198440552, 'logits/rejected': -1.1985622644424438, 'kl/p_epsilon_steps': 0.6421874761581421, 'kl/n_epsilon_steps': 0.3578124940395355, 'kl/beta': 0.008305966854095459, 'kl/avg_steps': 0.28437501192092896, 'epoch': 0.21}
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{'loss': 0.6538, 'grad_norm': 3.9685800075531006, 'learning_rate': 4.792138157142157e-07, 'rewards/chosen': -0.191951185464859, 'rewards/rejected': -0.2879168391227722, 'rewards/accuracies': 0.6796875, 'rewards/margins': 0.09596569836139679, 'logps/chosen': -101.08387756347656, 'logps/rejected': -117.42021179199219, 'logps/ref_chosen': -77.74958801269531, 'logps/ref_rejected': -82.17206573486328, 'logits/chosen': -1.2629064321517944, 'logits/rejected': -1.1684788465499878, 'kl/p_epsilon_steps': 0.59375, 'kl/n_epsilon_steps': 0.40625, 'kl/beta': 0.008209030143916607, 'kl/avg_steps': 0.1875, 'epoch': 0.22}
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{'loss': 0.6438, 'grad_norm': 4.582348823547363, 'learning_rate': 4.737908228387656e-07, 'rewards/chosen': -0.20838662981987, 'rewards/rejected': -0.32801881432533264, 'rewards/accuracies': 0.6875, 'rewards/margins': 0.11963216215372086, 'logps/chosen': -107.53079986572266, 'logps/rejected': -131.16079711914062, 'logps/ref_chosen': -81.88478088378906, 'logps/ref_rejected': -90.519775390625, 'logits/chosen': -1.2720203399658203, 'logits/rejected': -1.218477725982666, 'kl/p_epsilon_steps': 0.621874988079071, 'kl/n_epsilon_steps': 0.37812501192092896, 'kl/beta': 0.008118118159472942, 'kl/avg_steps': 0.24375000596046448, 'epoch': 0.24}
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{'loss': 0.6418, 'grad_norm': 3.6524829864501953, 'learning_rate': 4.6777824852166437e-07, 'rewards/chosen': -0.20263484120368958, 'rewards/rejected': -0.32719942927360535, 'rewards/accuracies': 0.684374988079071, 'rewards/margins': 0.12456460297107697, 'logps/chosen': -95.5977554321289, 'logps/rejected': -118.98405456542969, 'logps/ref_chosen': -70.41683197021484, 'logps/ref_rejected': -78.02936553955078, 'logits/chosen': -1.2834303379058838, 'logits/rejected': -1.198880672454834, 'kl/p_epsilon_steps': 0.6234375238418579, 'kl/n_epsilon_steps': 0.37187498807907104, 'kl/beta': 0.0080325398594141, 'kl/avg_steps': 0.2515625059604645, 'epoch': 0.25}
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{'loss': 0.6361, 'grad_norm': 4.22735071182251, 'learning_rate': 4.611919330113591e-07, 'rewards/chosen': -0.23172405362129211, 'rewards/rejected': -0.37008827924728394, 'rewards/accuracies': 0.706250011920929, 'rewards/margins': 0.13836422562599182, 'logps/chosen': -105.8456039428711, 'logps/rejected': -136.4986572265625, 'logps/ref_chosen': -76.6160888671875, 'logps/ref_rejected': -89.49937438964844, 'logits/chosen': -1.2632228136062622, 'logits/rejected': -1.2163931131362915, 'kl/p_epsilon_steps': 0.6421874761581421, 'kl/n_epsilon_steps': 0.35468751192092896, 'kl/beta': 0.007919726893305779, 'kl/avg_steps': 0.2874999940395355, 'epoch': 0.26}
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{'loss': 0.6411, 'grad_norm': 4.236695766448975, 'learning_rate': 4.5404922808905543e-07, 'rewards/chosen': -0.24040882289409637, 'rewards/rejected': -0.36987045407295227, 'rewards/accuracies': 0.7015625238418579, 'rewards/margins': 0.1294616460800171, 'logps/chosen': -104.29510498046875, 'logps/rejected': -124.16410827636719, 'logps/ref_chosen': -73.50260162353516, 'logps/ref_rejected': -76.48811340332031, 'logits/chosen': -1.2625572681427002, 'logits/rejected': -1.2011988162994385, 'kl/p_epsilon_steps': 0.637499988079071, 'kl/n_epsilon_steps': 0.36250001192092896, 'kl/beta': 0.0078009068965911865, 'kl/avg_steps': 0.2750000059604645, 'epoch': 0.28}
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{'loss': 0.6236, 'grad_norm': 4.193100452423096, 'learning_rate': 4.4636895135509966e-07, 'rewards/chosen': -0.24038386344909668, 'rewards/rejected': -0.4081670641899109, 'rewards/accuracies': 0.746874988079071, 'rewards/margins': 0.16778317093849182, 'logps/chosen': -103.88249206542969, 'logps/rejected': -134.57403564453125, 'logps/ref_chosen': -72.6116714477539, 'logps/ref_rejected': -81.16241455078125, 'logits/chosen': -1.2317556142807007, 'logits/rejected': -1.1946831941604614, 'kl/p_epsilon_steps': 0.682812511920929, 'kl/n_epsilon_steps': 0.31718748807907104, 'kl/beta': 0.0076876478269696236, 'kl/avg_steps': 0.3656249940395355, 'epoch': 0.29}
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***** Running Evaluation *****
[INFO|trainer.py:4309] 2026-04-10 23:48:26,201 >> Num examples = 2339
[INFO|trainer.py:4312] 2026-04-10 23:48:26,201 >> Batch size = 16
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{'eval_loss': 0.6636335253715515, 'eval_runtime': 22.4366, 'eval_samples_per_second': 104.249, 'eval_steps_per_second': 0.847, 'eval_rewards/chosen': -0.30329596996307373, 'eval_rewards/rejected': -0.38952386379241943, 'eval_rewards/accuracies': 0.6124131679534912, 'eval_rewards/margins': 0.08622786402702332, 'eval_logps/chosen': -127.64717864990234, 'eval_logps/rejected': -134.3017578125, 'eval_logps/ref_chosen': -87.82356262207031, 'eval_logps/ref_rejected': -82.81887817382812, 'eval_logits/chosen': -1.2261141538619995, 'eval_logits/rejected': -1.1807267665863037, 'eval_kl/p_epsilon_steps': 0.5759548544883728, 'eval_kl/n_epsilon_steps': 0.4236111044883728, 'epoch': 0.29}
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{'loss': 0.6304, 'grad_norm': 4.206778049468994, 'learning_rate': 4.381713366536311e-07, 'rewards/chosen': -0.2697572112083435, 'rewards/rejected': -0.42430782318115234, 'rewards/accuracies': 0.699999988079071, 'rewards/margins': 0.15455064177513123, 'logps/chosen': -112.22574615478516, 'logps/rejected': -140.7528533935547, 'logps/ref_chosen': -76.5867919921875, 'logps/ref_rejected': -84.33440399169922, 'logits/chosen': -1.2459900379180908, 'logits/rejected': -1.1858142614364624, 'kl/p_epsilon_steps': 0.640625, 'kl/n_epsilon_steps': 0.359375, 'kl/beta': 0.007563448045402765, 'kl/avg_steps': 0.28125, 'epoch': 0.31}
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{'loss': 0.6294, 'grad_norm': 5.154345989227295, 'learning_rate': 4.2947798076611047e-07, 'rewards/chosen': -0.3029385209083557, 'rewards/rejected': -0.46550169587135315, 'rewards/accuracies': 0.692187488079071, 'rewards/margins': 0.16256316006183624, 'logps/chosen': -118.81462097167969, 'logps/rejected': -146.4515838623047, 'logps/ref_chosen': -78.16385650634766, 'logps/ref_rejected': -83.61200714111328, 'logits/chosen': -1.2248286008834839, 'logits/rejected': -1.1694958209991455, 'kl/p_epsilon_steps': 0.6421874761581421, 'kl/n_epsilon_steps': 0.3578124940395355, 'kl/beta': 0.007447557989507914, 'kl/avg_steps': 0.28437501192092896, 'epoch': 0.32}
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{'loss': 0.618, 'grad_norm': 5.148464679718018, 'learning_rate': 4.203117865141635e-07, 'rewards/chosen': -0.3210408687591553, 'rewards/rejected': -0.516320526599884, 'rewards/accuracies': 0.7265625, 'rewards/margins': 0.19527961313724518, 'logps/chosen': -118.66552734375, 'logps/rejected': -156.08580017089844, 'logps/ref_chosen': -74.8998031616211, 'logps/ref_rejected': -85.2784652709961, 'logits/chosen': -1.2170436382293701, 'logits/rejected': -1.1504008769989014, 'kl/p_epsilon_steps': 0.676562488079071, 'kl/n_epsilon_steps': 0.3218750059604645, 'kl/beta': 0.007336863782256842, 'kl/avg_steps': 0.35468751192092896, 'epoch': 0.34}
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{'loss': 0.6197, 'grad_norm': 5.226547718048096, 'learning_rate': 4.106969024216348e-07, 'rewards/chosen': -0.3315422534942627, 'rewards/rejected': -0.5241755247116089, 'rewards/accuracies': 0.698437511920929, 'rewards/margins': 0.19263319671154022, 'logps/chosen': -119.46983337402344, 'logps/rejected': -158.82113647460938, 'logps/ref_chosen': -73.58607482910156, 'logps/ref_rejected': -85.84365844726562, 'logits/chosen': -1.1989049911499023, 'logits/rejected': -1.1565752029418945, 'kl/p_epsilon_steps': 0.6328125, 'kl/n_epsilon_steps': 0.3671875, 'kl/beta': 0.007222268730401993, 'kl/avg_steps': 0.265625, 'epoch': 0.35}
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{'loss': 0.6139, 'grad_norm': 5.764974594116211, 'learning_rate': 4.006586590948141e-07, 'rewards/chosen': -0.3550013303756714, 'rewards/rejected': -0.5658854246139526, 'rewards/accuracies': 0.715624988079071, 'rewards/margins': 0.21088404953479767, 'logps/chosen': -130.13233947753906, 'logps/rejected': -161.29537963867188, 'logps/ref_chosen': -80.25770568847656, 'logps/ref_rejected': -81.34100341796875, 'logits/chosen': -1.1903568506240845, 'logits/rejected': -1.130084753036499, 'kl/p_epsilon_steps': 0.6546875238418579, 'kl/n_epsilon_steps': 0.3453125059604645, 'kl/beta': 0.007117821369320154, 'kl/avg_steps': 0.30937498807907104, 'epoch': 0.37}
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{'loss': 0.6209, 'grad_norm': 5.23793363571167, 'learning_rate': 3.9022350248844246e-07, 'rewards/chosen': -0.3804508149623871, 'rewards/rejected': -0.5780693292617798, 'rewards/accuracies': 0.6812499761581421, 'rewards/margins': 0.19761842489242554, 'logps/chosen': -128.90423583984375, 'logps/rejected': -167.0582733154297, 'logps/ref_chosen': -74.67902374267578, 'logps/ref_rejected': -84.1854019165039, 'logits/chosen': -1.1651326417922974, 'logits/rejected': -1.1263306140899658, 'kl/p_epsilon_steps': 0.635937511920929, 'kl/n_epsilon_steps': 0.36406248807907104, 'kl/beta': 0.007017888128757477, 'kl/avg_steps': 0.2718749940395355, 'epoch': 0.38}
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{'loss': 0.614, 'grad_norm': 5.746659278869629, 'learning_rate': 3.4507772230088147e-07, 'rewards/chosen': -0.4121219515800476, 'rewards/rejected': -0.6363847255706787, 'rewards/accuracies': 0.7015625238418579, 'rewards/margins': 0.22426274418830872, 'logps/chosen': -136.75088500976562, 'logps/rejected': -184.1068878173828, 'logps/ref_chosen': -73.69932556152344, 'logps/ref_rejected': -86.18521118164062, 'logits/chosen': -1.0893394947052002, 'logits/rejected': -1.0510880947113037, 'kl/p_epsilon_steps': 0.6640625, 'kl/n_epsilon_steps': 0.3359375, 'kl/beta': 0.00654013454914093, 'kl/avg_steps': 0.328125, 'epoch': 0.44}
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{'loss': 0.6118, 'grad_norm': 5.235478401184082, 'learning_rate': 3.3308869986991487e-07, 'rewards/chosen': -0.4207354485988617, 'rewards/rejected': -0.646741509437561, 'rewards/accuracies': 0.703125, 'rewards/margins': 0.22600603103637695, 'logps/chosen': -144.14666748046875, 'logps/rejected': -183.3446502685547, 'logps/ref_chosen': -78.81468963623047, 'logps/ref_rejected': -82.33976745605469, 'logits/chosen': -1.0995477437973022, 'logits/rejected': -1.031232237815857, 'kl/p_epsilon_steps': 0.671875, 'kl/n_epsilon_steps': 0.328125, 'kl/beta': 0.006440295372158289, 'kl/avg_steps': 0.34375, 'epoch': 0.46}
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{'loss': 0.5951, 'grad_norm': 5.473912239074707, 'learning_rate': 3.208807785813777e-07, 'rewards/chosen': -0.3846417963504791, 'rewards/rejected': -0.645238995552063, 'rewards/accuracies': 0.7203124761581421, 'rewards/margins': 0.26059722900390625, 'logps/chosen': -132.09349060058594, 'logps/rejected': -188.9801788330078, 'logps/ref_chosen': -71.280517578125, 'logps/ref_rejected': -86.39788818359375, 'logits/chosen': -1.080108880996704, 'logits/rejected': -1.0139106512069702, 'kl/p_epsilon_steps': 0.690625011920929, 'kl/n_epsilon_steps': 0.30937498807907104, 'kl/beta': 0.0063315341249108315, 'kl/avg_steps': 0.3812499940395355, 'epoch': 0.47}
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{'loss': 0.608, 'grad_norm': 5.492692947387695, 'learning_rate': 3.084861204504122e-07, 'rewards/chosen': -0.430931031703949, 'rewards/rejected': -0.6655236482620239, 'rewards/accuracies': 0.7093750238418579, 'rewards/margins': 0.23459258675575256, 'logps/chosen': -148.7730255126953, 'logps/rejected': -191.25628662109375, 'logps/ref_chosen': -79.35147094726562, 'logps/ref_rejected': -83.44163513183594, 'logits/chosen': -1.064668893814087, 'logits/rejected': -0.9995222091674805, 'kl/p_epsilon_steps': 0.6656249761581421, 'kl/n_epsilon_steps': 0.3343749940395355, 'kl/beta': 0.006211251951754093, 'kl/avg_steps': 0.33125001192092896, 'epoch': 0.49}
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{'loss': 0.6032, 'grad_norm': 5.870633602142334, 'learning_rate': 2.959373794541426e-07, 'rewards/chosen': -0.4399870038032532, 'rewards/rejected': -0.6865519285202026, 'rewards/accuracies': 0.7124999761581421, 'rewards/margins': 0.2465648353099823, 'logps/chosen': -147.1262664794922, 'logps/rejected': -199.21173095703125, 'logps/ref_chosen': -75.01612854003906, 'logps/ref_rejected': -86.07945251464844, 'logits/chosen': -1.0475225448608398, 'logits/rejected': -1.006306529045105, 'kl/p_epsilon_steps': 0.6734374761581421, 'kl/n_epsilon_steps': 0.32343751192092896, 'kl/beta': 0.006105704233050346, 'kl/avg_steps': 0.3499999940395355, 'epoch': 0.5}
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{'loss': 0.5969, 'grad_norm': 5.422708988189697, 'learning_rate': 2.8326761550411346e-07, 'rewards/chosen': -0.4419892430305481, 'rewards/rejected': -0.7005925178527832, 'rewards/accuracies': 0.729687511920929, 'rewards/margins': 0.2586033344268799, 'logps/chosen': -149.66494750976562, 'logps/rejected': -206.0808563232422, 'logps/ref_chosen': -75.85931396484375, 'logps/ref_rejected': -88.4763412475586, 'logits/chosen': -1.037719488143921, 'logits/rejected': -0.9720247387886047, 'kl/p_epsilon_steps': 0.7046874761581421, 'kl/n_epsilon_steps': 0.29374998807907104, 'kl/beta': 0.0059935590252280235, 'kl/avg_steps': 0.41093748807907104, 'epoch': 0.51}
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{'loss': 0.6093, 'grad_norm': 5.140402793884277, 'learning_rate': 2.7051020734928443e-07, 'rewards/chosen': -0.4056355059146881, 'rewards/rejected': -0.6422106027603149, 'rewards/accuracies': 0.692187488079071, 'rewards/margins': 0.23657508194446564, 'logps/chosen': -143.4625701904297, 'logps/rejected': -188.22622680664062, 'logps/ref_chosen': -74.5296859741211, 'logps/ref_rejected': -78.44059753417969, 'logits/chosen': -1.0452353954315186, 'logits/rejected': -0.968549370765686, 'kl/p_epsilon_steps': 0.6546875238418579, 'kl/n_epsilon_steps': 0.3453125059604645, 'kl/beta': 0.005884683690965176, 'kl/avg_steps': 0.30937498807907104, 'epoch': 0.53}
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{'loss': 0.5968, 'grad_norm': 5.03032112121582, 'learning_rate': 2.5769876463904263e-07, 'rewards/chosen': -0.3904454708099365, 'rewards/rejected': -0.6427868008613586, 'rewards/accuracies': 0.7328125238418579, 'rewards/margins': 0.25234130024909973, 'logps/chosen': -137.92031860351562, 'logps/rejected': -197.1123809814453, 'logps/ref_chosen': -70.28861999511719, 'logps/ref_rejected': -85.20851135253906, 'logits/chosen': -1.0298566818237305, 'logits/rejected': -0.9755008816719055, 'kl/p_epsilon_steps': 0.698437511920929, 'kl/n_epsilon_steps': 0.30000001192092896, 'kl/beta': 0.005778872407972813, 'kl/avg_steps': 0.3984375, 'epoch': 0.54}
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{'loss': 0.5951, 'grad_norm': 6.057910919189453, 'learning_rate': 2.4486703937790243e-07, 'rewards/chosen': -0.43261224031448364, 'rewards/rejected': -0.7007459402084351, 'rewards/accuracies': 0.731249988079071, 'rewards/margins': 0.2681336998939514, 'logps/chosen': -151.2794952392578, 'logps/rejected': -214.67868041992188, 'logps/ref_chosen': -75.0217514038086, 'logps/ref_rejected': -90.4836654663086, 'logits/chosen': -1.0044220685958862, 'logits/rejected': -0.9527886509895325, 'kl/p_epsilon_steps': 0.6796875, 'kl/n_epsilon_steps': 0.3203125, 'kl/beta': 0.005678877234458923, 'kl/avg_steps': 0.359375, 'epoch': 0.56}
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{'loss': 0.6019, 'grad_norm': 5.573934555053711, 'learning_rate': 2.320488370051681e-07, 'rewards/chosen': -0.4517548084259033, 'rewards/rejected': -0.7048214673995972, 'rewards/accuracies': 0.721875011920929, 'rewards/margins': 0.25306665897369385, 'logps/chosen': -154.51953125, 'logps/rejected': -211.646240234375, 'logps/ref_chosen': -73.42979431152344, 'logps/ref_rejected': -84.43408203125, 'logits/chosen': -0.989575207233429, 'logits/rejected': -0.9092248678207397, 'kl/p_epsilon_steps': 0.675000011920929, 'kl/n_epsilon_steps': 0.32499998807907104, 'kl/beta': 0.005573070142418146, 'kl/avg_steps': 0.3499999940395355, 'epoch': 0.57}
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{'loss': 0.5934, 'grad_norm': 5.598110198974609, 'learning_rate': 2.192779273338215e-07, 'rewards/chosen': -0.4459984302520752, 'rewards/rejected': -0.7237256765365601, 'rewards/accuracies': 0.7109375, 'rewards/margins': 0.27772727608680725, 'logps/chosen': -159.2919464111328, 'logps/rejected': -219.63626098632812, 'logps/ref_chosen': -77.8104019165039, 'logps/ref_rejected': -86.66553497314453, 'logits/chosen': -0.9810283780097961, 'logits/rejected': -0.8921745419502258, 'kl/p_epsilon_steps': 0.676562488079071, 'kl/n_epsilon_steps': 0.3218750059604645, 'kl/beta': 0.005477838683873415, 'kl/avg_steps': 0.35468751192092896, 'epoch': 0.59}
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***** Running Evaluation *****
[INFO|trainer.py:4309] 2026-04-10 23:53:15,687 >> Num examples = 2339
[INFO|trainer.py:4312] 2026-04-10 23:53:15,688 >> Batch size = 16
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{'eval_loss': 0.6429124474525452, 'eval_runtime': 22.339, 'eval_samples_per_second': 104.705, 'eval_steps_per_second': 0.851, 'eval_rewards/chosen': -0.5156466960906982, 'eval_rewards/rejected': -0.6819863319396973, 'eval_rewards/accuracies': 0.6323784589767456, 'eval_rewards/margins': 0.1663396805524826, 'eval_logps/chosen': -182.90843200683594, 'eval_logps/rejected': -209.30340576171875, 'eval_logps/ref_chosen': -87.82356262207031, 'eval_logps/ref_rejected': -82.81887817382812, 'eval_logits/chosen': -0.9817464351654053, 'eval_logits/rejected': -0.8951107859611511, 'eval_kl/p_epsilon_steps': 0.6037326455116272, 'eval_kl/n_epsilon_steps': 0.3958333432674408, 'epoch': 0.59}
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[INFO|trainer.py:3984] 2026-04-10 23:53:52,882 >> Saving model checkpoint to /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200
[INFO|configuration_utils.py:419] 2026-04-10 23:53:52,889 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200/config.json
[INFO|configuration_utils.py:911] 2026-04-10 23:53:52,895 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200/generation_config.json
[INFO|modeling_utils.py:3580] 2026-04-10 23:54:34,634 >> The model is bigger than the maximum size per checkpoint (5GB) and is going to be split in 6 checkpoint shards. You can find where each parameters has been saved in the index located at /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200/model.safetensors.index.json.
[INFO|tokenization_utils_base.py:2510] 2026-04-10 23:54:34,644 >> tokenizer config file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200/tokenizer_config.json
[INFO|tokenization_utils_base.py:2519] 2026-04-10 23:54:34,649 >> Special tokens file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-200/special_tokens_map.json
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{'loss': 0.5976, 'grad_norm': 5.395305156707764, 'learning_rate': 2.065879555832674e-07, 'rewards/chosen': -0.42064207792282104, 'rewards/rejected': -0.6905413866043091, 'rewards/accuracies': 0.7015625238418579, 'rewards/margins': 0.26989927887916565, 'logps/chosen': -150.00833129882812, 'logps/rejected': -207.3239288330078, 'logps/ref_chosen': -71.83072662353516, 'logps/ref_rejected': -78.26126861572266, 'logits/chosen': -0.9339988827705383, 'logits/rejected': -0.8349924087524414, 'kl/p_epsilon_steps': 0.6578124761581421, 'kl/n_epsilon_steps': 0.3421874940395355, 'kl/beta': 0.005382629111409187, 'kl/avg_steps': 0.31562501192092896, 'epoch': 0.6}
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{'loss': 0.5961, 'grad_norm': 8.636336326599121, 'learning_rate': 1.9401235374032425e-07, 'rewards/chosen': -0.4700423777103424, 'rewards/rejected': -0.7500611543655396, 'rewards/accuracies': 0.7124999761581421, 'rewards/margins': 0.28001874685287476, 'logps/chosen': -169.9760284423828, 'logps/rejected': -226.44479370117188, 'logps/ref_chosen': -81.13362121582031, 'logps/ref_rejected': -83.91246032714844, 'logits/chosen': -0.940881073474884, 'logits/rejected': -0.835827648639679, 'kl/p_epsilon_steps': 0.667187511920929, 'kl/n_epsilon_steps': 0.33281248807907104, 'kl/beta': 0.005294554866850376, 'kl/avg_steps': 0.3343749940395355, 'epoch': 0.62}
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{'loss': 0.5994, 'grad_norm': 5.697958946228027, 'learning_rate': 1.8158425248197928e-07, 'rewards/chosen': -0.4653104245662689, 'rewards/rejected': -0.7343412637710571, 'rewards/accuracies': 0.737500011920929, 'rewards/margins': 0.2690308690071106, 'logps/chosen': -168.97909545898438, 'logps/rejected': -225.5334014892578, 'logps/ref_chosen': -79.5214614868164, 'logps/ref_rejected': -83.58778381347656, 'logits/chosen': -0.9595499038696289, 'logits/rejected': -0.8254610300064087, 'kl/p_epsilon_steps': 0.6890624761581421, 'kl/n_epsilon_steps': 0.30937498807907104, 'kl/beta': 0.005207170732319355, 'kl/avg_steps': 0.37968748807907104, 'epoch': 0.63}
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{'loss': 0.6056, 'grad_norm': 5.304469108581543, 'learning_rate': 1.6933639389195134e-07, 'rewards/chosen': -0.43559327721595764, 'rewards/rejected': -0.6726005673408508, 'rewards/accuracies': 0.723437488079071, 'rewards/margins': 0.2370072603225708, 'logps/chosen': -166.537353515625, 'logps/rejected': -215.3668670654297, 'logps/ref_chosen': -81.25938415527344, 'logps/ref_rejected': -83.04185485839844, 'logits/chosen': -0.9539089202880859, 'logits/rejected': -0.8665965795516968, 'kl/p_epsilon_steps': 0.667187511920929, 'kl/n_epsilon_steps': 0.33281248807907104, 'kl/beta': 0.005111886188387871, 'kl/avg_steps': 0.3343749940395355, 'epoch': 0.65}
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{'loss': 0.5839, 'grad_norm': 5.622444152832031, 'learning_rate': 1.573010452010098e-07, 'rewards/chosen': -0.4237908720970154, 'rewards/rejected': -0.7200239896774292, 'rewards/accuracies': 0.765625, 'rewards/margins': 0.2962331175804138, 'logps/chosen': -162.01535034179688, 'logps/rejected': -233.6844024658203, 'logps/ref_chosen': -77.427001953125, 'logps/ref_rejected': -89.23592376708984, 'logits/chosen': -0.9484726190567017, 'logits/rejected': -0.8518384695053101, 'kl/p_epsilon_steps': 0.723437488079071, 'kl/n_epsilon_steps': 0.27656251192092896, 'kl/beta': 0.005018714815378189, 'kl/avg_steps': 0.4468750059604645, 'epoch': 0.66}
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{'loss': 0.6156, 'grad_norm': 5.059004306793213, 'learning_rate': 2.1822907887504932e-08, 'rewards/chosen': -0.40281882882118225, 'rewards/rejected': -0.6089481115341187, 'rewards/accuracies': 0.7265625, 'rewards/margins': 0.20612934231758118, 'logps/chosen': -178.6937255859375, 'logps/rejected': -241.739013671875, 'logps/ref_chosen': -70.4697265625, 'logps/ref_rejected': -77.26274108886719, 'logits/chosen': -0.7761374711990356, 'logits/rejected': -0.6450864672660828, 'kl/p_epsilon_steps': 0.6968749761581421, 'kl/n_epsilon_steps': 0.3031249940395355, 'kl/beta': 0.003725191578269005, 'kl/avg_steps': 0.39375001192092896, 'epoch': 0.88}
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***** Running Evaluation *****
[INFO|trainer.py:4309] 2026-04-11 00:02:14,896 >> Num examples = 2339
[INFO|trainer.py:4312] 2026-04-11 00:02:14,896 >> Batch size = 16
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{'eval_loss': 0.6442785263061523, 'eval_runtime': 22.3967, 'eval_samples_per_second': 104.435, 'eval_steps_per_second': 0.848, 'eval_rewards/chosen': -0.44304588437080383, 'eval_rewards/rejected': -0.5884472131729126, 'eval_rewards/accuracies': 0.6401909589767456, 'eval_rewards/margins': 0.14540132880210876, 'eval_logps/chosen': -208.17991638183594, 'eval_logps/rejected': -243.57456970214844, 'eval_logps/ref_chosen': -87.82356262207031, 'eval_logps/ref_rejected': -82.81887817382812, 'eval_logits/chosen': -0.8325175046920776, 'eval_logits/rejected': -0.7259347438812256, 'eval_kl/p_epsilon_steps': 0.6150173544883728, 'eval_kl/n_epsilon_steps': 0.3849826455116272, 'epoch': 0.88}
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{'loss': 0.6049, 'grad_norm': 5.704087734222412, 'learning_rate': 1.6881942648911074e-08, 'rewards/chosen': -0.3862135410308838, 'rewards/rejected': -0.6171549558639526, 'rewards/accuracies': 0.7250000238418579, 'rewards/margins': 0.23094138503074646, 'logps/chosen': -181.45826721191406, 'logps/rejected': -256.80096435546875, 'logps/ref_chosen': -75.5998764038086, 'logps/ref_rejected': -86.76122283935547, 'logits/chosen': -0.7806903719902039, 'logits/rejected': -0.7004286050796509, 'kl/p_epsilon_steps': 0.6875, 'kl/n_epsilon_steps': 0.3125, 'kl/beta': 0.003651682287454605, 'kl/avg_steps': 0.375, 'epoch': 0.9}
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{'loss': 0.6111, 'grad_norm': 5.218584060668945, 'learning_rate': 1.2555131639630567e-08, 'rewards/chosen': -0.4038282036781311, 'rewards/rejected': -0.6236552000045776, 'rewards/accuracies': 0.7265625, 'rewards/margins': 0.21982701122760773, 'logps/chosen': -191.44869995117188, 'logps/rejected': -258.40545654296875, 'logps/ref_chosen': -78.4868392944336, 'logps/ref_rejected': -83.08047485351562, 'logits/chosen': -0.7832438349723816, 'logits/rejected': -0.6719276309013367, 'kl/p_epsilon_steps': 0.698437511920929, 'kl/n_epsilon_steps': 0.30156248807907104, 'kl/beta': 0.0035780933685600758, 'kl/avg_steps': 0.3968749940395355, 'epoch': 0.91}
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{'loss': 0.6153, 'grad_norm': 6.10360860824585, 'learning_rate': 8.85387393063622e-09, 'rewards/chosen': -0.4042418897151947, 'rewards/rejected': -0.6095074415206909, 'rewards/accuracies': 0.699999988079071, 'rewards/margins': 0.20526555180549622, 'logps/chosen': -194.56436157226562, 'logps/rejected': -261.40032958984375, 'logps/ref_chosen': -79.54651641845703, 'logps/ref_rejected': -87.11808776855469, 'logits/chosen': -0.8057095408439636, 'logits/rejected': -0.7011617422103882, 'kl/p_epsilon_steps': 0.668749988079071, 'kl/n_epsilon_steps': 0.33125001192092896, 'kl/beta': 0.0035165518056601286, 'kl/avg_steps': 0.3375000059604645, 'epoch': 0.93}
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{'loss': 0.6302, 'grad_norm': 5.0830488204956055, 'learning_rate': 5.7879205600998296e-09, 'rewards/chosen': -0.39771518111228943, 'rewards/rejected': -0.5684808492660522, 'rewards/accuracies': 0.668749988079071, 'rewards/margins': 0.17076563835144043, 'logps/chosen': -193.45582580566406, 'logps/rejected': -248.977783203125, 'logps/ref_chosen': -78.56401062011719, 'logps/ref_rejected': -83.85292053222656, 'logits/chosen': -0.8048986196517944, 'logits/rejected': -0.6852750778198242, 'kl/p_epsilon_steps': 0.6421874761581421, 'kl/n_epsilon_steps': 0.3578124940395355, 'kl/beta': 0.0034615718759596348, 'kl/avg_steps': 0.28437501192092896, 'epoch': 0.94}
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{'loss': 0.6219, 'grad_norm': 5.110870361328125, 'learning_rate': 3.3653488440851253e-09, 'rewards/chosen': -0.3717408776283264, 'rewards/rejected': -0.5669502019882202, 'rewards/accuracies': 0.692187488079071, 'rewards/margins': 0.195209339261055, 'logps/chosen': -183.75088500976562, 'logps/rejected': -254.2379150390625, 'logps/ref_chosen': -74.60850524902344, 'logps/ref_rejected': -86.81698608398438, 'logits/chosen': -0.7829563021659851, 'logits/rejected': -0.7219451665878296, 'kl/p_epsilon_steps': 0.675000011920929, 'kl/n_epsilon_steps': 0.32499998807907104, 'kl/beta': 0.0034066252410411835, 'kl/avg_steps': 0.3499999940395355, 'epoch': 0.96}
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{'loss': 0.601, 'grad_norm': 4.562494277954102, 'learning_rate': 1.592541096695571e-09, 'rewards/chosen': -0.34669384360313416, 'rewards/rejected': -0.5768105387687683, 'rewards/accuracies': 0.7578125, 'rewards/margins': 0.23011669516563416, 'logps/chosen': -178.63034057617188, 'logps/rejected': -266.2847595214844, 'logps/ref_chosen': -74.63096618652344, 'logps/ref_rejected': -92.50404357910156, 'logits/chosen': -0.7936745882034302, 'logits/rejected': -0.739700436592102, 'kl/p_epsilon_steps': 0.7359374761581421, 'kl/n_epsilon_steps': 0.26249998807907104, 'kl/beta': 0.003342044074088335, 'kl/avg_steps': 0.47343748807907104, 'epoch': 0.97}
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{'loss': 0.6167, 'grad_norm': 4.651317596435547, 'learning_rate': 4.741678157389739e-10, 'rewards/chosen': -0.3669508695602417, 'rewards/rejected': -0.5604615211486816, 'rewards/accuracies': 0.7203124761581421, 'rewards/margins': 0.19351065158843994, 'logps/chosen': -193.51834106445312, 'logps/rejected': -261.07110595703125, 'logps/ref_chosen': -81.25680541992188, 'logps/ref_rejected': -88.71739196777344, 'logits/chosen': -0.8402039408683777, 'logits/rejected': -0.7369452118873596, 'kl/p_epsilon_steps': 0.6781250238418579, 'kl/n_epsilon_steps': 0.3218750059604645, 'kl/beta': 0.003271129447966814, 'kl/avg_steps': 0.35624998807907104, 'epoch': 0.99}
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{'loss': 0.612, 'grad_norm': 4.5893425941467285, 'learning_rate': 1.31753782067201e-11, 'rewards/chosen': -0.36068642139434814, 'rewards/rejected': -0.5670695900917053, 'rewards/accuracies': 0.721875011920929, 'rewards/margins': 0.20638315379619598, 'logps/chosen': -185.0140838623047, 'logps/rejected': -256.5284423828125, 'logps/ref_chosen': -72.54796600341797, 'logps/ref_rejected': -78.83277893066406, 'logits/chosen': -0.7557514905929565, 'logits/rejected': -0.6398700475692749, 'kl/p_epsilon_steps': 0.6890624761581421, 'kl/n_epsilon_steps': 0.3109374940395355, 'kl/beta': 0.003211395815014839, 'kl/avg_steps': 0.37812501192092896, 'epoch': 1.0}
100%|██████████| 340/340 [20:31<00:00, 2.64s/it][INFO|trainer.py:3984] 2026-04-11 00:04:39,871 >> Saving model checkpoint to /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340
[INFO|configuration_utils.py:419] 2026-04-11 00:04:39,876 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340/config.json
[INFO|configuration_utils.py:911] 2026-04-11 00:04:39,879 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340/generation_config.json
[INFO|modeling_utils.py:3580] 2026-04-11 00:05:19,147 >> The model is bigger than the maximum size per checkpoint (5GB) and is going to be split in 6 checkpoint shards. You can find where each parameters has been saved in the index located at /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340/model.safetensors.index.json.
[INFO|tokenization_utils_base.py:2510] 2026-04-11 00:05:19,153 >> tokenizer config file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340/tokenizer_config.json
[INFO|tokenization_utils_base.py:2519] 2026-04-11 00:05:19,156 >> Special tokens file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/checkpoint-340/special_tokens_map.json
[INFO|trainer.py:2681] 2026-04-11 00:08:37,503 >>
Training completed. Do not forget to share your model on huggingface.co/models =)
{'train_runtime': 1489.7896, 'train_samples_per_second': 29.265, 'train_steps_per_second': 0.228, 'train_loss': 0.6232832217917723, 'epoch': 1.0}
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***** train metrics *****
epoch = 1.0
total_flos = 0GF
train_loss = 0.6233
train_runtime = 0:24:49.78
train_samples = 43598
train_samples_per_second = 29.265
train_steps_per_second = 0.228
2026-04-11 00:08:37 - INFO - __main__ - *** Training complete ***
2026-04-11 00:08:37 - INFO - __main__ - *** Save model ***
[INFO|configuration_utils.py:419] 2026-04-11 00:08:55,316 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/config.json
[INFO|configuration_utils.py:911] 2026-04-11 00:08:55,320 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/generation_config.json
[INFO|modeling_utils.py:3580] 2026-04-11 00:09:43,818 >> The model is bigger than the maximum size per checkpoint (5GB) and is going to be split in 7 checkpoint shards. You can find where each parameters has been saved in the index located at /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/model.safetensors.index.json.
[INFO|tokenization_utils_base.py:2510] 2026-04-11 00:09:43,823 >> tokenizer config file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/tokenizer_config.json
[INFO|tokenization_utils_base.py:2519] 2026-04-11 00:09:43,826 >> Special tokens file saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/special_tokens_map.json
2026-04-11 00:09:43 - INFO - __main__ - Saved HF-compatible model artifacts to /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108
[INFO|modelcard.py:450] 2026-04-11 00:09:44,248 >> Dropping the following result as it does not have all the necessary fields:
{'dataset': {'name': 'Anthropic/hh-rlhf', 'type': 'Anthropic/hh-rlhf'}}
[INFO|configuration_utils.py:419] 2026-04-11 00:09:44,261 >> Configuration saved in /scratch/feng.yulu/dynamic-dpo-v4/outputs/llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108/config.json
2026-04-11 00:09:44 - INFO - __main__ - *** Evaluate ***
[INFO|trainer.py:4307] 2026-04-11 00:09:44,262 >>
***** Running Evaluation *****
[INFO|trainer.py:4309] 2026-04-11 00:09:44,262 >> Num examples = 2339
[INFO|trainer.py:4312] 2026-04-11 00:09:44,262 >> Batch size = 16
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***** eval metrics *****
epoch = 1.0
eval_kl/n_epsilon_steps = 0.3837
eval_kl/p_epsilon_steps = 0.6159
eval_logits/chosen = -0.8295
eval_logits/rejected = -0.7225
eval_logps/chosen = -208.4018
eval_logps/ref_chosen = -87.8236
eval_logps/ref_rejected = -82.8189
eval_logps/rejected = -244.0941
eval_loss = 0.6479
eval_rewards/accuracies = 0.6415
eval_rewards/chosen = -0.3831
eval_rewards/margins = 0.1264
eval_rewards/rejected = -0.5095
eval_runtime = 0:00:22.28
eval_samples = 2339
eval_samples_per_second = 104.948
eval_steps_per_second = 0.853
2026-04-11 00:10:06 - INFO - __main__ - *** Training complete! ***
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wandb: train/logps/rejected ██▇▇█▇▇▇▆▆▆▆▆▅▅▅▄▄▄▄▃▄▃▃▃▂▂▂▂▂▂▂▁▂▁▁▁▂▁▁
wandb: train/loss █████▇▇▆▅▅▅▅▄▄▃▃▃▂▃▃▂▃▂▂▂▂▁▁▂▃▂▂▂▂▂▂▃▄▂▃
wandb: train/rewards/accuracies ▁▁▃▇█▇▅▅▅▅▅▅▇▅▅▅▅▆▆▆▆▅▆▆▅▆▇▇▆▆▆▆▆▆▆▆▆▅▇▆
wandb: train/rewards/chosen ██████▇▆▆▅▅▄▄▄▃▂▂▃▂▂▂▂▂▂▂▁▂▁▁▁▁▂▂▂▂▂▂▂▃▃
wandb: train/rewards/margins ▁▁▁▁▁▂▂▂▃▃▄▄▅▅▅▆▆▇▆▆▇▆▇▇▇▇██▇▆▇▇▇▆▇▆▆▅▆▆
wandb: train/rewards/rejected █████▇▇▆▆▅▅▅▄▄▃▃▃▂▂▂▂▂▂▁▂▁▁▁▁▂▂▂▂▂▂▂▂▃▃▃
wandb:
wandb: Run summary:
wandb: eval/kl/n_epsilon_steps 0.38368
wandb: eval/kl/p_epsilon_steps 0.61589
wandb: eval/logits/chosen -0.82952
wandb: eval/logits/rejected -0.72247
wandb: eval/logps/chosen -208.40182
wandb: eval/logps/ref_chosen -87.82356
wandb: eval/logps/ref_rejected -82.81888
wandb: eval/logps/rejected -244.09407
wandb: eval/loss 0.64793
wandb: eval/rewards/accuracies 0.64149
wandb: eval/rewards/chosen -0.38306
wandb: eval/rewards/margins 0.12642
wandb: eval/rewards/rejected -0.50948
wandb: eval/runtime 22.2873
wandb: eval/samples_per_second 104.948
wandb: eval/steps_per_second 0.853
wandb: total_flos 0.0
wandb: train/epoch 1.0
wandb: train/global_step 340
wandb: train/grad_norm 4.58934
wandb: train/kl/avg_steps 0.37813
wandb: train/kl/beta 0.00321
wandb: train/kl/n_epsilon_steps 0.31094
wandb: train/kl/p_epsilon_steps 0.68906
wandb: train/learning_rate 0.0
wandb: train/logits/chosen -0.75575
wandb: train/logits/rejected -0.63987
wandb: train/logps/chosen -185.01408
wandb: train/logps/ref_chosen -72.54797
wandb: train/logps/ref_rejected -78.83278
wandb: train/logps/rejected -256.52844
wandb: train/loss 0.612
wandb: train/rewards/accuracies 0.72188
wandb: train/rewards/chosen -0.36069
wandb: train/rewards/margins 0.20638
wandb: train/rewards/rejected -0.56707
wandb: train_loss 0.62328
wandb: train_runtime 1489.7896
wandb: train_samples_per_second 29.265
wandb: train_steps_per_second 0.228
wandb:
wandb: 🚀 View run llama-3-8b-base-epsilon-dpo-hh-helpful-8xh200-20260410-233108 at: https://wandb.ai/can-not-fand-northeastern-university/huggingface/runs/4j5nnm1b
wandb: ⭐️ View project at: https://wandb.ai/can-not-fand-northeastern-university/huggingface
wandb: Synced 6 W&B file(s), 0 media file(s), 2 artifact file(s) and 0 other file(s)
wandb: Find logs at: /scratch/feng.yulu/dynamic-dpo-v4/wandb/wandb/run-20260410_234350-4j5nnm1b/logs
wandb: WARNING The new W&B backend becomes opt-out in version 0.18.0; try it out with `wandb.require("core")`! See https://wandb.me/wandb-core for more information.
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