# /// script # requires-python = ">=3.10,<3.14" # dependencies = [ # "accelerate", # "bitsandbytes>=0.43.0", # "datasets==4.3.0", # "hf_transfer", # "huggingface_hub>=0.34.0", # "marimo", # "peft", # "protobuf", # "sentencepiece", # "torchao>=0.16.0", # "transformers==4.56.2", # "triton>=3.2.0", # "trl==0.22.2", # "unsloth @ git+https://github.com/unslothai/unsloth", # "unsloth_zoo @ git+https://github.com/unslothai/unsloth-zoo", # ] # # [tool.uv] # no-build-package = [ # "bitsandbytes", # "triton", # "vllm", # "xformers", # ] # /// import marimo __generated_with = "0.23.8" app = marimo.App() @app.cell def _(): import marimo as mo return (mo,) @app.cell(hide_code=True) def _(mo): mo.md(r""" To run this notebook, hit the **▶ Run all** button in the bottom-right corner - or use `Ctrl/Cmd + Shift + R`.

Join Discord if you need help + ⭐ Star us on Github ⭐

To install Unsloth on your local device, follow [our guide](https://unsloth.ai/docs/get-started/install). This notebook is licensed [LGPL-3.0](https://github.com/unslothai/notebooks?tab=LGPL-3.0-1-ov-file#readme). You will learn how to do [data prep](#Data), how to [train](#Train), how to [run the model](#Inference), & how to save it """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### News """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" Introducing **Unsloth Studio** - a new open source, no-code web UI to train and run LLMs. [Blog](https://unsloth.ai/docs/new/studio) • [Notebook](https://github.com/unslothai/unsloth/blob/main/studio/Unsloth_Studio_Colab.ipynb)

_{Train models — no code needed}

_{Run GGUF models on Mac, Windows & Linux}

Train MoEs - DeepSeek, GLM, Qwen and gpt-oss 12x faster with 35% less VRAM. [Blog](https://unsloth.ai/docs/new/faster-moe) Ultra Long-Context Reinforcement Learning is here with 7x more context windows! [Blog](https://unsloth.ai/docs/new/grpo-long-context) New in Reinforcement Learning: [FP8 RL](https://unsloth.ai/docs/new/fp8-reinforcement-learning) • [Vision RL](https://unsloth.ai/docs/new/vision-reinforcement-learning-vlm-rl) • [Standby](https://unsloth.ai/docs/basics/memory-efficient-rl) • [gpt-oss RL](https://unsloth.ai/docs/new/gpt-oss-reinforcement-learning) Visit our docs for all our [model uploads](https://unsloth.ai/docs/get-started/unsloth-model-catalog) and [notebooks](https://unsloth.ai/docs/get-started/unsloth-notebooks). """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Unsloth We will be using `FastSentenceTransformer` to fine-tune `ModernBERT`. """) return @app.cell def _(): from unsloth import FastSentenceTransformer fourbit_models = [ "unsloth/all-MiniLM-L6-v2", "unsloth/embeddinggemma-300m", "unsloth/Qwen3-Embedding-4B", "unsloth/Qwen3-Embedding-0.6B", "unsloth/all-mpnet-base-v2", "unsloth/gte-modernbert-base", "unsloth/bge-m3", ] # More models at https://huggingface.co/unsloth model = FastSentenceTransformer.from_pretrained( model_name="unsloth/gte-modernbert-base", max_seq_length=512, # Choose any for long context! full_finetuning=False, # [NEW!] We have full finetuning now! ) return FastSentenceTransformer, model @app.cell(hide_code=True) def _(mo): mo.md(r""" We now add LoRA adapters so we only need to update a small amount of parameters! """) return @app.cell def _(FastSentenceTransformer, model): model_1 = FastSentenceTransformer.get_peft_model( model, r=64, # Choose any number > 0 ! Suggested 8, 16, 32, 64, 128 target_modules=["Wi", "Wo", "Wqkv"], lora_alpha=128, lora_dropout=0, # Supports any, but = 0 is optimized bias="none", # Supports any, but = "none" is optimized use_gradient_checkpointing="unsloth", # True or "unsloth" for very long context random_state=3407, use_rslora=False, # We support rank stabilized LoRA loftq_config=None, # And LoftQ ) return (model_1,) @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Data Prep We now use the `electroglyph/technical` dataset. """) return @app.cell def _(): from datasets import load_dataset dataset = load_dataset("electroglyph/technical", split="train") return (dataset,) @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's take a look at the dataset structure: """) return @app.cell def _(dataset): print("Dataset examples:") for i in range(6): print(dataset[i]) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ## Baseline Inference Let's test the base model before fine-tuning to see how it performs on our specific domain. """) return @app.cell def _(model_1): from sentence_transformers import util def test_inference(model, run_name="Run"): """Test model with a query and candidate sentences""" query = "apexification" candidates = [ "a brick left by Yuki", "apples are a tasty treat", "the weed whacker uses an engine that runs on a mixture of gas and oil", "a type of cancer treatment that uses drugs to boost the body's immune response", "a plant hormone for regulating stress responses", "induces root tip closure in non-vital teeth", ] query_emb = model.encode(query, convert_to_tensor=True) # Completely unrelated candidate_embs = model.encode( candidates, convert_to_tensor=True ) # Unrelated, but shares "ap-" prefix scores = util.cos_sim(query_emb, candidate_embs)[0] # Unrelated results = [] # Medical context but wrong procedure for i, score in enumerate(scores): # Scientific but unrelated field results.append( (candidates[i], score.item()) ) # CORRECT - this is what apexification actually means results.sort(key=lambda x: x[1], reverse=True) print(f"\n--- {run_name} Results for query: '{query}' ---") for text, score in results: print(f"{score:.4f} | {text}") test_inference(model_1, run_name="Pre-Training") return (test_inference,) @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Train the model Now let's train our model. We use `MultipleNegativesRankingLoss` This loss function uses other positives in the same batch as negative examples, which is efficient for contrastive learning. """) return @app.cell def _(dataset, model_1): from sentence_transformers import ( SentenceTransformerTrainer, SentenceTransformerTrainingArguments, losses, ) from sentence_transformers.training_args import BatchSamplers from unsloth import is_bf16_supported loss = losses.MultipleNegativesRankingLoss(model_1) # This will use other positives in the same batch as negative examples trainer = SentenceTransformerTrainer( model=model_1, train_dataset=dataset, loss=loss, args=SentenceTransformerTrainingArguments( output_dir="output", num_train_epochs=2, per_device_train_batch_size=256, gradient_accumulation_steps=1, # Use GA to mimic batch size! learning_rate=3e-05, fp16=not is_bf16_supported(), bf16=is_bf16_supported(), logging_steps=50, warmup_ratio=0.03, save_strategy="no", report_to="none", lr_scheduler_type="constant_with_warmup", batch_sampler=BatchSamplers.NO_DUPLICATES, ), ) return (trainer,) @app.cell def _(): # @title Show current memory stats import torch gpu_stats = torch.cuda.get_device_properties(0) start_gpu_memory = round(torch.cuda.max_memory_reserved() / 1024 / 1024 / 1024, 3) max_memory = round(gpu_stats.total_memory / 1024 / 1024 / 1024, 3) print(f"GPU = {gpu_stats.name}. Max memory = {max_memory} GB.") print(f"{start_gpu_memory} GB of memory reserved.") return max_memory, start_gpu_memory, torch @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's train the model! To resume a training run, set `trainer.train(resume_from_checkpoint = True)` """) return @app.cell def _(trainer): trainer_stats = trainer.train() return (trainer_stats,) @app.cell def _(max_memory, start_gpu_memory, torch, trainer_stats): # @title Show final memory and time stats used_memory = round(torch.cuda.max_memory_reserved() / 1024 / 1024 / 1024, 3) used_memory_for_lora = round(used_memory - start_gpu_memory, 3) used_percentage = round(used_memory / max_memory * 100, 3) lora_percentage = round(used_memory_for_lora / max_memory * 100, 3) print(f"{trainer_stats.metrics['train_runtime']} seconds used for training.") print( f"{round(trainer_stats.metrics['train_runtime'] / 60, 2)} minutes used for training." ) print(f"Peak reserved memory = {used_memory} GB.") print(f"Peak reserved memory for training = {used_memory_for_lora} GB.") print(f"Peak reserved memory % of max memory = {used_percentage} %.") print(f"Peak reserved memory for training % of max memory = {lora_percentage} %.") return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Inference Let's run the model after training to see the improvements! """) return @app.cell def _(model_1, test_inference): test_inference(model_1, run_name="Post-Training") return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Saving, loading finetuned models To save the final model as LoRA adapters, either use Hugging Face's `push_to_hub` for an online save or `save_pretrained` for a local save. **[NOTE]** This ONLY saves the LoRA adapters, and not the full model. To save to 16bit, scroll down! """) return @app.cell def _(model_1): model_1.save_pretrained("modernbert_lora") model_1.tokenizer.save_pretrained("modernbert_lora") return @app.cell(hide_code=True) def _(mo): mo.md(r""" Now if you want to load the LoRA adapters we just saved for inference, set `False` to `True`: """) return @app.cell def _(): if False: from unsloth import FastSentenceTransformer as _FastSentenceTransformer _model = _FastSentenceTransformer.from_pretrained("model") return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Saving to float16 for VLLM We also support saving to `float16` directly. Select `merged_16bit` for float16 or `merged_4bit` for int4. We also allow `lora` adapters as a fallback. Use `push_to_hub_merged` to upload to your Hugging Face account! You can go to https://huggingface.co/settings/tokens for your personal tokens. See [our docs](https://unsloth.ai/docs/basics/inference-and-deployment) for more deployment options. """) return @app.cell def _(model_1): # Merge to 16bit if False: model_1.save_pretrained_merged( "modernbert_finetune_16bit", tokenizer=model_1.tokenizer, save_method="merged_16bit", ) if False: # Pushing to HF Hub model_1.push_to_hub_merged( "HF_USERNAME/modernbert_finetune_16bit", tokenizer=model_1.tokenizer, save_method="merged_16bit", token="YOUR_HF_TOKEN", # Get a token at https://huggingface.co/settings/tokens ) if False: # Just LoRA adapters model_1.save_pretrained("modernbert_lora") if False: model_1.push_to_hub( "HF_USERNAME/modernbert_lora", token="YOUR_HF_TOKEN" ) # Pushing to HF Hub return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### GGUF / llama.cpp Conversion To save to `GGUF` / `llama.cpp`, we support it natively now! We clone `llama.cpp` and we default save it to `q8_0`. We allow all methods like `q4_k_m`. Use `save_pretrained_gguf` for local saving and `push_to_hub_gguf` for uploading to HF. Some supported quant methods (full list on our [docs page](https://unsloth.ai/docs/basics/inference-and-deployment/saving-to-gguf)): * `q8_0` - Fast conversion. High resource use, but generally acceptable. * `q4_k_m` - Recommended. Uses Q6_K for half of the attention.wv and feed_forward.w2 tensors, else Q4_K. * `q5_k_m` - Recommended. Uses Q6_K for half of the attention.wv and feed_forward.w2 tensors, else Q5_K. """) return @app.cell def _(model_1): # Save to 8bit Q8_0 if False: model_1.save_pretrained_gguf("modernbert_finetune") if False: model_1.push_to_hub_gguf( "HF_USERNAME/modernbert_finetune", token="YOUR_HF_TOKEN" ) if False: # Save to 16bit GGUF model_1.save_pretrained_gguf("modernbert_finetune", quantization_method="f16") if False: model_1.push_to_hub_gguf( "HF_USERNAME/modernbert_finetune", quantization_method="f16", token="YOUR_HF_TOKEN", # Get a token at https://huggingface.co/settings/tokens ) # Pushing to HF Hub if False: model_1.save_pretrained_gguf( "modernbert_finetune", quantization_method="q4_k_m" ) # Save to q4_k_m GGUF if False: model_1.push_to_hub_gguf( "HF_USERNAME/modernbert_finetune", quantization_method="q4_k_m", token="YOUR_HF_TOKEN", # Get a token at https://huggingface.co/settings/tokens ) if False: # Pushing to HF Hub # Save to multiple GGUF options - much faster if you want multiple! model_1.push_to_hub_gguf( "HF_USERNAME/modernbert_finetune", quantization_method=["q4_k_m", "q8_0", "q5_k_m"], token="YOUR_HF_TOKEN", # Get a token at https://huggingface.co/settings/tokens ) return @app.cell(hide_code=True) def _(mo): mo.md(r""" And we're done! If you have any questions on Unsloth, we have a [Discord](https://discord.gg/unsloth) channel! If you find any bugs or want to keep updated with the latest LLM stuff, or need help, join projects etc, feel free to join our Discord! Some other resources: 1. Looking to use Unsloth locally? Read our [Installation Guide](https://unsloth.ai/docs/get-started/install) for details on installing Unsloth on Windows, Docker, AMD, Intel GPUs. 2. Learn how to do Reinforcement Learning with our [RL Guide and notebooks](https://unsloth.ai/docs/get-started/reinforcement-learning-rl-guide). 3. Read our guides and notebooks for [Text-to-speech (TTS)](https://unsloth.ai/docs/basics/text-to-speech-tts-fine-tuning) and [vision](https://unsloth.ai/docs/basics/vision-fine-tuning) model support. 4. Explore our [LLM Tutorials Directory](https://unsloth.ai/docs/models/tutorials-how-to-fine-tune-and-run-llms) to find dedicated guides for each model. 5. Need help with Inference? Read our [Inference & Deployment page](https://unsloth.ai/docs/basics/inference-and-deployment) for details on using vLLM, llama.cpp, Ollama etc.

Join Discord if you need help + ⭐️ Star us on Github ⭐️ This notebook and all Unsloth notebooks are licensed [LGPL-3.0](https://github.com/unslothai/notebooks?tab=LGPL-3.0-1-ov-file#readme)

""") return if __name__ == "__main__": app.run()