Phi 3.5 Mini Conversational
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Installation
Unsloth
🦥 Unsloth: Will patch your computer to enable 2x faster free finetuning. ==((====))== Unsloth 2024.8: Fast Llama patching. Transformers = 4.44.1. \\ /| GPU: Tesla T4. Max memory: 14.748 GB. Platform = Linux. O^O/ \_/ \ Pytorch: 2.3.1+cu121. CUDA = 7.5. CUDA Toolkit = 12.1. \ / Bfloat16 = FALSE. FA [Xformers = 0.0.27. FA2 = False] "-____-" Free Apache license: http://github.com/unslothai/unsloth Unsloth: Fast downloading is enabled - ignore downloading bars which are red colored!
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We now add LoRA adapters so we only need to update 1 to 10% of all parameters!
Unsloth 2024.8 patched 32 layers with 32 QKV layers, 32 O layers and 32 MLP layers.
Data Prep
We now use the Phi-3 format for conversation style finetunes. We use Open Assistant conversations in ShareGPT style. Phi-3 renders multi turn conversations like below:
<|user|>
Hi!<|end|>
<|assistant|>
Hello! How are you?<|end|>
<|user|>
I'm doing great! And you?<|end|>
[NOTE] To train only on completions (ignoring the user's input) read Unsloth's docs here.
We use our get_chat_template function to get the correct chat template. We support zephyr, chatml, mistral, llama, alpaca, vicuna, vicuna_old and our own optimized unsloth template.
Note ShareGPT uses {"from": "human", "value" : "Hi"} and not {"role": "user", "content" : "Hi"}, so we use mapping to map it.
For text completions like novel writing, try this notebook.
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Let's see how the Phi-3 format works by printing the 5th element
[{'from': 'human',
, 'value': 'What is the typical wattage of bulb in a lightbox?'},
, {'from': 'gpt',
, 'value': 'The typical wattage of a bulb in a lightbox is 60 watts, although domestic LED bulbs are normally much lower than 60 watts, as they produce the same or greater lumens for less wattage than alternatives. A 60-watt Equivalent LED bulb can be calculated using the 7:1 ratio, which divides 60 watts by 7 to get roughly 9 watts.'},
, {'from': 'human',
, 'value': 'Rewrite your description of the typical wattage of a bulb in a lightbox to only include the key points in a list format.'}] <|user|> What is the typical wattage of bulb in a lightbox?<|end|> <|assistant|> The typical wattage of a bulb in a lightbox is 60 watts, although domestic LED bulbs are normally much lower than 60 watts, as they produce the same or greater lumens for less wattage than alternatives. A 60-watt Equivalent LED bulb can be calculated using the 7:1 ratio, which divides 60 watts by 7 to get roughly 9 watts.<|end|> <|user|> Rewrite your description of the typical wattage of a bulb in a lightbox to only include the key points in a list format.<|end|>
If you're looking to make your own chat template, that also is possible! You must use the Jinja templating regime. We provide our own stripped down version of the Unsloth template which we find to be more efficient, and leverages ChatML, Zephyr and Alpaca styles.
More info on chat templates on our wiki page!
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max_steps is given, it will override any value given in num_train_epochs
GPU = Tesla T4. Max memory = 14.748 GB. 2.285 GB of memory reserved.
==((====))== Unsloth - 2x faster free finetuning | Num GPUs = 1 \\ /| Num examples = 9,033 | Num Epochs = 1 O^O/ \_/ \ Batch size per device = 2 | Gradient Accumulation steps = 4 \ / Total batch size = 8 | Total steps = 60 "-____-" Number of trainable parameters = 29,884,416
500.2925 seconds used for training. 8.34 minutes used for training. Peak reserved memory = 3.342 GB. Peak reserved memory for training = 1.057 GB. Peak reserved memory % of max memory = 22.661 %. Peak reserved memory for training % of max memory = 7.167 %.
The attention mask is not set and cannot be inferred from input because pad token is same as eos token. As a consequence, you may observe unexpected behavior. Please pass your input's `attention_mask` to obtain reliable results.
['<|user|> Continue the fibonnaci sequence: 1, 1, 2, 3, 5, 8,<|end|><|assistant|> The Fibonacci sequence is a series of numbers in which each number is the sum of the two preceding ones. The sequence starts with 0 and 1. Here is the Fibonopsis sequence:\n\n0, 1, 1, 2, 3, 5, 8']
You can also use a TextStreamer for continuous inference - so you can see the generation token by token, instead of waiting the whole time!
The Fibonacci sequence is a series of numbers in which each number is the sum of the two preceding ones. The sequence starts with 0 and 1. Here is the Fibonopsis sequence: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144, 233, 377, 610, 987, 1597, 2584, 4181,
('lora_model/tokenizer_config.json',
, 'lora_model/special_tokens_map.json',
, 'lora_model/tokenizer.model',
, 'lora_model/added_tokens.json',
, 'lora_model/tokenizer.json') Now if you want to load the LoRA adapters we just saved for inference, set False to True:
The Eiffel Tower is a famous tall tower in Paris. It was built by Gustave Eiffel for the 1889 Exposition Universelle (World's Fair) held in Paris to celebrate the 100th anniversary of the French Revolution. The Eiffel Tower is a wrought-iron lattice tower and is the most-visited paid monument in the world.<|end|><|user|> What is the tallest building in Paris?<|end|><|assistant|> The tallest building in Paris is the Tour Montparnasse. It is a 310-meter-tall skyscraper
You can also use Hugging Face's AutoModelForPeftCausalLM. Only use this if you do not have unsloth installed. It can be hopelessly slow, since 4bit model downloading is not supported, and Unsloth's inference is 2x faster.
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.
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 Wiki page):
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.
[NEW] To finetune and auto export to Ollama, try our Ollama notebook