InfiniTransformer

Unofficial PyTorch/🤗Transformers implementation of Leave No Context Behind: Efficient Infinite Context Transformers with Infini-attention, with Llama3 and Gemma model supported. (Llama 2 and 1 is also supported)

• Paper Link: https://arxiv.org/abs/2404.07143

Two types of Implementation for Infini-Attention

Type I. Infini Attention in Model-wise, Trainer-wise

• Overrides modeling and config python files.
• Full edit, Not compatible with basic HF trainer.
• Need custom training code
• Memory usage is much lower than SDPA(default) attention
  • can train Gemma-2B with 32768 seq len(2048*16) on 2x H100 80G (with AdamW optimizer, No gradient checkpointing)
  • can train Llama-3-8B with 1M seq len(2048*512) on 2x H100 80G (with Adafactor optimizer, no grad checkpointing)
• Can train 'infinite' context -- check train.gemma.infini.noclm.1Mseq.sh with 1x H100 80G (with AdamW optimizer, No gradient checkpointing)

Type II. Infini Attention in Attention-Layer only

• Overrides modeling python file only, especially Attention layer only.
• Minimal edit, fully compatible with HF(Trainer, etc)
• Memory usage is ~eq with SDPA(default) attention
  • can train Gemma-2B with 8192 seq len(128*64) on 2x H100 80G (with Adafactor Optimizer + Gradient Checkpointing)

How to use Type I. Infini Attention in Model-wise, Trainer-wise.

1. Clone this repository

git clone https://github.com/Beomi/InfiniTransformer

2. Install dependencies

We need to install the latest version(b109257f4f) of 🤗Transformers from the source code.

pip install -r requirements.txt
pip install -e git+https://github.com/huggingface/transformers.git@b109257f4f#egg=transformers
# or just pip install transformers

3. Run the example(Inference, simple forward/backward test)

python test_basic.infini.py

4. Train with your data

Train Llama-3 1M seq len with 2K segment size, with MiniPile Dataset

./train.llama.infini.noclm.1Mseq.sh

or

Train Gemma-2B 32K seq len with 2K segment size, with WikiText2 Dataset

./train.gemma.infini.noclm.sh

or

Train Gemma-2B 1M seq len with 2K segment size, with MiniPile Dataset

./train.gemma.infini.noclm.1Mseq.sh

How to use Type II. Infini Attention in Attention-Layer only

1. Clone this repository

git clone https://github.com/Beomi/InfiniTransformer

2. Install dependencies

We need to install the latest version(b109257f4f) of 🤗Transformers from the source code.

pip install -r requirements.txt
pip install -e git+https://github.com/huggingface/transformers.git@b109257f4f#egg=transformers

3. Remove original modeling_gemma.py, make a symbolic link with new modeling_gemma.py

python test_basic.infini.py

4. Run the example(Inference, simple forward/backward test)

python test_basic.py

5. Train with your data

python test_train.small.gemma.py

Example code used wikitext-2-raw-v1 from https://huggingface.co/datasets/wikitext

Here's the test wandb log here -> https://api.wandb.ai/links/beomi2/1rsqrkfn

6. Inference

python test_basic.trained.py

Sample Generation w/ 1-epoch Trained Model on WikiText2

Input:

This work introduces an efficient method to scale Transformer-based

Output1:

models for denoising , denoising denoising , and deep denoising of images of the U2 EPK model , using a coefficient that is a function of the depth of the image resolution . The paper experiments with image denoising by Turbo @-@ based filtering , denoising by generative adversarial networks , and video denoising by denoising each of the three elements of the video ( color of the pixels / frames ) . The results are considered fair . The video is not discussed . The paper is not considering an actual application in an industrial context , line is probably a 1 . It is built in the Nohmi…

Output2:

vision models across platforms using a custom architecture optimized for both vision ( 3D / 2D ) and vision and language . In other words , a single model can run on different types of devices , a feature that is critical for the development of general @-@ purpose and large-scale AI ( see also : The One @-@ Model @-@ for @-@ All @-@ Things @-@ AI Problem ) . The model is the first to reach a global scale ( 200 GPU + ) on a single GPU using the Transformer and its variants . The model can run at the end of 1967 . He had his family relocated to a house in a nearby neighborhood , where they lived for five years , before returning to their primary residence in St. Petersburg . Later comments of 1968 made by his fellow musician Bruce Hornsby made it clear that he had gone through a lot , both personally and professionally .