初始化项目，由ModelHub XC社区提供模型

Model: winglian/llama-2-4b
Source: Original Platform

configs/3b-pt.yml

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+base_model: winglian/Llama-2-3b-hf
+base_model_config: winglian/Llama-2-3b-hf
+model_type: LlamaForCausalLM
+tokenizer_type: LlamaTokenizer
+load_in_8bit: false
+load_in_4bit: false
+hub_model_id: winglian/llama-2-3b-cpt
+strict: false
+  # pretraining_dataset: togethercomputer/RedPajama-Data-1T-Sample
+push_dataset_to_hub:
+datasets:
+  - path: togethercomputer/RedPajama-Data-1T-Sample
+    type: completion
+dataset_prepared_path: last_run_prepared
+val_set_size: 0.0
+adapter:
+lora_model_dir:
+sequence_len: 4096
+sample_packing: 
+lora_r:
+lora_alpha:
+lora_dropout:
+lora_target_modules:
+lora_target_linear:
+lora_fan_in_fan_out:
+wandb_project: llama-2-3b-cpt
+wandb_entity:
+wandb_watch:
+wandb_run_id:
+wandb_log_model:
+output_dir: ./llama-2-3b-out
+  # max_steps: 4400
+gradient_accumulation_steps: 3
+micro_batch_size: 8
+num_epochs: 1
+optimizer: adamw_torch
+adam_beta2: 0.95
+torchdistx_path:
+lr_scheduler: cosine
+learning_rate: 0.0001
+train_on_inputs: false
+group_by_length: false
+float16: true
+bf16: truc
+fp16: false
+tf32: true
+gradient_checkpointing: true
+early_stopping_patience:
+resume_from_checkpoint:
+local_rank:
+logging_steps: 1
+xformers_attention:
+flash_attention: true
+gptq_groupsize:
+gptq_model_v1:
+warmup_steps: 100
+eval_steps: 
+save_steps: 100
+save_total_limit: 6
+debug:
+deepspeed:
+weight_decay: 0.1
+fsdp:
+fsdp_config:
+special_tokens:
+  bos_token: "<s>"
+  eos_token: "</s>"
+  unk_token: "<unk>"