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Model: ericflo/Llama-3.1-8B-ContinuedTraining Source: Original Platform
2026-04-26 21:11:10 +08:00
commit 9aebbbb46b
23 changed files with 413372 additions and 0 deletions
--- a/sft.py
+++ b/sft.py
@@ -0,0 +1,186 @@
+# flake8: noqa
+"""
+pip install -U transformers accelerate trl wandb wheel packaging peft bitsandbytes liger-kernel flash_attn
+
+python sft.py \
+    --run_name="llama3.1-8b-continued2" \
+    --model_name_or_path="meta-llama/Meta-Llama-3.1-8B" \
+    --dataset_name="mlfoundations/dclm-baseline-1.0-parquet,mlabonne/FineTome-100k" \
+    --report_to="wandb" \
+    --optim="adamw_torch_fused" \
+    --lr_scheduler_type="cosine" \
+    --max_steps=10000000 \
+    --max_seq_length=64000 \
+    --learning_rate=0.0001 \
+    --attn_implementation="flash_attention_2" \
+    --save_strategy="steps" \
+    --save_steps 50 \
+    --save_total_limit=10 \
+    --per_device_train_batch_size=1 \
+    --gradient_accumulation_steps=8 \
+    --logging_steps=1 \
+    --num_train_epochs=1 \
+    --load_in_4bit \
+    --push_to_hub \
+    --hub_model_id="ericflo/Llama-3.1-8B-ContinuedTraining2-LoRA" \
+    --hub_strategy="all_checkpoints" \
+    --gradient_checkpointing \
+    --use_peft \
+    --lora_r=128 \
+    --lora_alpha=256 \
+    --lora_dropout=0.05 \
+    --use_liger=true \
+    --packing=true \
+    --torch_dtype="bfloat16" \
+    --output_dir="continuedtraining2_output"
+"""
+
+import logging
+import os
+import random
+from contextlib import nullcontext
+
+from trl.commands.cli_utils import init_zero_verbose, SFTScriptArguments, TrlParser
+from trl.env_utils import strtobool
+
+TRL_USE_RICH = strtobool(os.getenv("TRL_USE_RICH", "0"))
+
+if TRL_USE_RICH:
+    init_zero_verbose()
+    FORMAT = "%(message)s"
+
+    from rich.console import Console
+    from rich.logging import RichHandler
+
+import torch
+from datasets import load_dataset, interleave_datasets
+
+from tqdm.rich import tqdm
+from transformers import AutoTokenizer
+
+from trl import (
+    ModelConfig,
+    RichProgressCallback,
+    SFTConfig,
+    SFTTrainer,
+    get_peft_config,
+    get_quantization_config,
+    get_kbit_device_map,
+)
+
+tqdm.pandas()
+
+if TRL_USE_RICH:
+    logging.basicConfig(format=FORMAT, datefmt="[%X]", handlers=[RichHandler()], level=logging.INFO)
+
+print("Loading tokenizers...")
+METAML_TOK = AutoTokenizer.from_pretrained("meta-llama/Meta-Llama-3.1-8B-Instruct")
+CHATML_TOK = AutoTokenizer.from_pretrained("NousResearch/Hermes-3-Llama-3.1-8B")
+print("Tokenizers loaded.")
+
+def formatting_prompts_func(example):
+    try:
+        language = example.get('language')
+        url = example.get('url')
+        text = example.get('text')
+        title = example.get('title')
+        conversations = example.get('conversations')
+        source = example.get('source')
+        repo_name = example.get('max_stars_repo_name')
+        repo_path = example.get('max_stars_repo_path')
+        star_count = example.get('max_stars_count')
+        content = example.get('content')
+        # mlfoundations/dclm-baseline-1.0-parquet
+        if language and url and text:
+            return f'{language} {url} {text}'
+        elif title and url and text: # wikimedia/wikipedia
+            return f'{title} {url} {text}'
+        elif conversations: # mlabonne/FineTome-100k
+            rows = [{
+                "role": {"system": "system", "gpt": "assistant", "human": "user"}[row["from"]],
+                "content": row["value"],
+            } for row in conversations]
+            tok = random.choice([METAML_TOK, CHATML_TOK])
+            return f'{source} {tok.apply_chat_template(rows, tokenize=False)}'
+        elif "max_stars_repo_name" in example: # bigcode/starcoderdata
+            return f'{example["max_stars_repo_name"]} {example["max_stars_repo_path"]} {example["max_stars_count"]} {example["content"]}'
+        print(f"Unknown example: {example}")
+        raise ValueError(f"Unknown example: {example}")
+    except Exception as e:
+        print(e)
+        raise e
+
+if __name__ == "__main__":
+    parser = TrlParser((SFTScriptArguments, SFTConfig, ModelConfig))
+    args, training_args, model_config = parser.parse_args_and_config()
+
+    # Force use our print callback
+    if TRL_USE_RICH:
+        training_args.disable_tqdm = True
+        console = Console()
+
+    ################
+    # Model init kwargs & Tokenizer
+    ################
+    model_config.lora_target_modules = ["q_proj", "k_proj", "v_proj", "o_proj", "gate_proj", "up_proj", "down_proj"]
+    quantization_config = get_quantization_config(model_config)
+    model_kwargs = dict(
+        revision=model_config.model_revision,
+        trust_remote_code=model_config.trust_remote_code,
+        attn_implementation=model_config.attn_implementation,
+        torch_dtype=model_config.torch_dtype,
+        use_cache=False if training_args.gradient_checkpointing else True,
+        device_map=get_kbit_device_map() if quantization_config is not None else None,
+        quantization_config=quantization_config,
+    )
+    training_args.model_init_kwargs = model_kwargs
+    tokenizer = AutoTokenizer.from_pretrained(
+        model_config.model_name_or_path, trust_remote_code=model_config.trust_remote_code, use_fast=True
+    )
+    tokenizer.pad_token = tokenizer.eos_token
+
+    ################
+    # Dataset
+    ################
+    dataset_names = args.dataset_name.split(',')
+    train_datasets = [load_dataset(name, split="train", streaming=True) for name in dataset_names]
+    train_datasets.append(load_dataset("bigcode/starcoderdata", data_dir="python", split="train", streaming=True))
+    train_datasets.append(load_dataset("wikimedia/wikipedia", "20231101.en", split="train", streaming=True))
+    train_datasets.append(load_dataset("wikimedia/wikipedia", "20231101.es", split="train", streaming=True))
+    train_datasets.append(load_dataset("wikimedia/wikipedia", "20231101.fr", split="train", streaming=True))
+    interleaved_dataset = interleave_datasets(train_datasets)
+    eval_dataset = interleaved_dataset.take(100)
+    train_dataset = interleaved_dataset.skip(100)
+
+    print(train_dataset)
+    print(eval_dataset)
+
+    ################
+    # Optional rich context managers
+    ###############
+    init_context = nullcontext() if not TRL_USE_RICH else console.status("[bold green]Initializing the SFTTrainer...")
+    save_context = (
+        nullcontext()
+        if not TRL_USE_RICH
+        else console.status(f"[bold green]Training completed! Saving the model to {training_args.output_dir}")
+    )
+
+    ################
+    # Training
+    ################
+    with init_context:
+        trainer = SFTTrainer(
+            model=model_config.model_name_or_path,
+            args=training_args,
+            train_dataset=train_dataset,
+            eval_dataset=eval_dataset,
+            tokenizer=tokenizer,
+            peft_config=get_peft_config(model_config),
+            callbacks=[RichProgressCallback] if TRL_USE_RICH else None,
+            formatting_func=formatting_prompts_func,
+        )
+
+    trainer.train()
+
+    with save_context:
+        trainer.save_model(training_args.output_dir)