Update README.md

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Daniel Han 2025-03-03 14:58:30 -08:00
commit ee16f6ce99

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@ -242,10 +242,8 @@ For **advanced installation instructions** or if you see weird errors during ins
```python
from unsloth import FastLanguageModel
from unsloth import is_bfloat16_supported
import torch
from trl import SFTTrainer
from transformers import TrainingArguments
from trl import SFTTrainer, SFTConfig
from datasets import load_dataset
max_seq_length = 2048 # Supports RoPE Scaling interally, so choose any!
# Get LAION dataset
@ -254,21 +252,28 @@ dataset = load_dataset("json", data_files = {"train" : url}, split = "train")
# 4bit pre quantized models we support for 4x faster downloading + no OOMs.
fourbit_models = [
"unsloth/mistral-7b-v0.3-bnb-4bit", # New Mistral v3 2x faster!
"unsloth/Meta-Llama-3.1-8B-bnb-4bit", # Llama-3.1 2x faster
"unsloth/Meta-Llama-3.1-8B-Instruct-bnb-4bit",
"unsloth/Meta-Llama-3.1-70B-bnb-4bit",
"unsloth/Meta-Llama-3.1-405B-bnb-4bit", # 4bit for 405b!
"unsloth/Mistral-Small-Instruct-2409", # Mistral 22b 2x faster!
"unsloth/mistral-7b-instruct-v0.3-bnb-4bit",
"unsloth/llama-3-8b-bnb-4bit", # Llama-3 15 trillion tokens model 2x faster!
"unsloth/llama-3-8b-Instruct-bnb-4bit",
"unsloth/llama-3-70b-bnb-4bit",
"unsloth/Phi-3-mini-4k-instruct", # Phi-3 2x faster!
"unsloth/Phi-3.5-mini-instruct", # Phi-3.5 2x faster!
"unsloth/Phi-3-medium-4k-instruct",
"unsloth/mistral-7b-bnb-4bit",
"unsloth/gemma-7b-bnb-4bit", # Gemma 2.2x faster!
"unsloth/gemma-2-9b-bnb-4bit",
"unsloth/gemma-2-27b-bnb-4bit", # Gemma 2x faster!
"unsloth/Llama-3.2-1B-bnb-4bit", # NEW! Llama 3.2 models
"unsloth/Llama-3.2-1B-Instruct-bnb-4bit",
"unsloth/Llama-3.2-3B-bnb-4bit",
"unsloth/Llama-3.2-3B-Instruct-bnb-4bit",
"unsloth/Llama-3.3-70B-Instruct-bnb-4bit" # NEW! Llama 3.3 70B!
] # More models at https://huggingface.co/unsloth
model, tokenizer = FastLanguageModel.from_pretrained(
model_name = "unsloth/llama-3-8b-bnb-4bit",
model_name = "unsloth/Llama-3.2-1B",
max_seq_length = max_seq_length,
dtype = None,
load_in_4bit = True,
)
@ -292,16 +297,14 @@ model = FastLanguageModel.get_peft_model(
trainer = SFTTrainer(
model = model,
train_dataset = dataset,
dataset_text_field = "text",
max_seq_length = max_seq_length,
tokenizer = tokenizer,
args = TrainingArguments(
args = SFTConfig(
dataset_text_field = "text",
max_seq_length = max_seq_length,
per_device_train_batch_size = 2,
gradient_accumulation_steps = 4,
warmup_steps = 10,
max_steps = 60,
fp16 = not is_bfloat16_supported(),
bf16 = is_bfloat16_supported(),
logging_steps = 1,
output_dir = "outputs",
optim = "adamw_8bit",
@ -333,17 +336,14 @@ RL including DPO, GRPO, PPO, Reward Modelling, Online DPO all work with Unsloth.
import os
os.environ["CUDA_VISIBLE_DEVICES"] = "0" # Optional set GPU device ID
from unsloth import FastLanguageModel, PatchDPOTrainer
from unsloth import is_bfloat16_supported
PatchDPOTrainer()
from unsloth import FastLanguageModel
import torch
from transformers import TrainingArguments
from trl import DPOTrainer
from trl import DPOTrainer, DPOConfig
max_seq_length = 2048
model, tokenizer = FastLanguageModel.from_pretrained(
model_name = "unsloth/zephyr-sft-bnb-4bit",
max_seq_length = max_seq_length,
dtype = None,
load_in_4bit = True,
)
@ -365,24 +365,22 @@ model = FastLanguageModel.get_peft_model(
dpo_trainer = DPOTrainer(
model = model,
ref_model = None,
args = TrainingArguments(
train_dataset = YOUR_DATASET_HERE,
# eval_dataset = YOUR_DATASET_HERE,
tokenizer = tokenizer,
args = DPOConfig(
per_device_train_batch_size = 4,
gradient_accumulation_steps = 8,
warmup_ratio = 0.1,
num_train_epochs = 3,
fp16 = not is_bfloat16_supported(),
bf16 = is_bfloat16_supported(),
logging_steps = 1,
optim = "adamw_8bit",
seed = 42,
output_dir = "outputs",
max_length = 1024,
max_prompt_length = 512,
beta = 0.1,
),
beta = 0.1,
train_dataset = YOUR_DATASET_HERE,
# eval_dataset = YOUR_DATASET_HERE,
tokenizer = tokenizer,
max_length = 1024,
max_prompt_length = 512,
)
dpo_trainer.train()
```