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Intel® Extension for Transformers

An Innovative Transformer-based Toolkit to Accelerate GenAI/LLM Everywhere

Release Notes

🏭Architecture   |   💬NeuralChat   |   😃Inference   |   💻Examples   |   📖Documentations

🚀Latest News

  • [2023/11] Released NeuralChat-v3, new top-1 7B-sized LLM available on Hugging Face. The model is fine-tuned on Habana Gaudi2 with supervised fine-tuning and direct preference optimization. Check out the blog.
  • [2023/11] Published a 4-bit chatbot demo (based on NeuralChat) available on Intel Hugging Face Space. Welcome to have a try! To setup the demo locally, please follow the instructions.
  • [2023/11] Released Fast, accurate, and infinite LLM inference with improved StreamingLLM on Intel CPUs!
  • [2023/11] Our paper Efficient LLM Inference on CPUs has been accepted by NeurIPS'23 on Efficient Natural Language and Speech Processing. Thanks to all the collaborators!
  • [2023/10] LLM runtime, an Intel-optimized GGML compatible runtime, demonstrates up to 15x performance gain in 1st token generation and 1.5x in other token generation over the default llama.cpp.
  • [2023/10] LLM runtime now supports LLM inference with infinite-length inputs up to 4 million tokens, inspired from StreamingLLM.
  • [2023/09] NeuralChat has been showcased in Intel Innovation’23 Keynote and Google Cloud Next'23 to demonstrate GenAI/LLM capabilities on Intel Xeon Scalable Processors.
  • [2023/08] NeuralChat supports custom chatbot development and deployment within minutes on broad Intel HWs such as Xeon Scalable Processors, Gaudi2, Xeon CPU Max Series, Data Center GPU Max Series, Arc Series, and Core Processors. Check out Notebooks.
  • [2023/07] LLM runtime extends Hugging Face Transformers API to provide seamless low precision inference for popular LLMs, supporting low precision data types such as INT3/INT4/FP4/NF4/INT5/INT8/FP8.

🏃Installation

Quick Install from Pypi

pip install intel-extension-for-transformers

For more installation methods, please refer to Installation Page

🌟Introduction

Intel® Extension for Transformers is an innovative toolkit to accelerate Transformer-based models on Intel platforms, in particular, effective on 4th Intel Xeon Scalable processor Sapphire Rapids (codenamed Sapphire Rapids). The toolkit provides the below key features and examples:

🌱Getting Started

Below is the sample code to enable the chatbot. See more examples.

Chatbot

# pip install intel-extension-for-transformers
from intel_extension_for_transformers.neural_chat import build_chatbot
chatbot = build_chatbot()
response = chatbot.predict("Tell me about Intel Xeon Scalable Processors.")

Below is the sample code to enable weight-only INT4/INT8 inference. See more examples.

INT4 Inference

from transformers import AutoTokenizer, TextStreamer
from intel_extension_for_transformers.transformers import AutoModelForCausalLM
model_name = "Intel/neural-chat-7b-v1-1"     # Hugging Face model_id or local model
prompt = "Once upon a time, there existed a little girl,"

tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True)
inputs = tokenizer(prompt, return_tensors="pt").input_ids
streamer = TextStreamer(tokenizer)

model = AutoModelForCausalLM.from_pretrained(model_name, load_in_4bit=True)
outputs = model.generate(inputs, streamer=streamer, max_new_tokens=300)

INT8 Inference

from transformers import AutoTokenizer, TextStreamer
from intel_extension_for_transformers.transformers import AutoModelForCausalLM
model_name = "Intel/neural-chat-7b-v1-1"     # Hugging Face model_id or local model
prompt = "Once upon a time, there existed a little girl,"

tokenizer = AutoTokenizer.from_pretrained(model_name, trust_remote_code=True)
inputs = tokenizer(prompt, return_tensors="pt").input_ids
streamer = TextStreamer(tokenizer)

model = AutoModelForCausalLM.from_pretrained(model_name, load_in_8bit=True)
outputs = model.generate(inputs, streamer=streamer, max_new_tokens=300)

🎯Validated Models

You can access the latest int4 performance and accuracy at int4 blog.

Additionally, we are preparing to introduce Baichuan, Mistral, and other models into LLM Runtime (Intel Optimized llamacpp). For comprehensive accuracy and performance data, though not the most up-to-date, please refer to the Release data.

📖Documentation

OVERVIEW
NeuralChat LLM Runtime
NEURALCHAT
Chatbot on Intel CPU Chatbot on Intel GPU Chatbot on Gaudi
Chatbot on Client More Notebooks
LLM RUNTIME
LLM Runtime Streaming LLM Low Precision Kernels Tensor Parallelism
LLM COMPRESSION
SmoothQuant (INT8) Weight-only Quantization (INT4/FP4/NF4/INT8) QLoRA on CPU
GENERAL COMPRESSION
Quantization Pruning Distillation Orchestration
Neural Architecture Search Export Metrics Objectives
Pipeline Length Adaptive Early Exit Data Augmentation
TUTORIALS & RESULTS
Tutorials LLM List General Model List Model Performance

🙌Demo

  • Infinite inference (up to 4M tokens)
streamingLLM_v2.mp4

📃Selected Publications/Events

View Full Publication List.

Additional Content

Acknowledgements

💁Collaborations

Welcome to raise any interesting ideas on model compression techniques and LLM-based chatbot development! Feel free to reach us, and we look forward to our collaborations on Intel Extension for Transformers!

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⚡ Build your chatbot within minutes on your favorite device; offer SOTA compression techniques for LLMs; run LLMs efficiently on Intel Platforms⚡

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