Leave No Context Behind: Efficient Infinite Context Transformers with Infini-attention
Abstract
This work introduces an efficient method to scale Transformer-based Large Language Models (LLMs) to infinitely long inputs with bounded memory and computation. A key component in our proposed approach is a new attention technique dubbed Infini-attention. The Infini-attention incorporates a compressive memory into the vanilla attention mechanism and builds in both masked local attention and long-term linear attention mechanisms in a single Transformer block. We demonstrate the effectiveness of our approach on long-context language modeling benchmarks, 1M sequence length passkey context block retrieval and 500K length book summarization tasks with 1B and 8B LLMs. Our approach introduces minimal bounded memory parameters and enables fast streaming inference for LLMs.
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Awesome work! Any chance of publishing the code too?
Excellent work! I'm curious, is the gating scalar Ξ² the only additional parameter that requires training?
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I'm working on a pytorch implementation, come and join me in the repo if you wanna help
https://github.com/jlamprou/Infini-Attention
Here's fully working implementation repo!
https://github.com/Beomi/InfiniTransformer
( @glamprou 's repo inspired me a lot! thanks βΊοΈ)
Llama-3 is out!
I updated my repo(https://github.com/Beomi/InfiniTransformer) to train Llama-3 with 1M seq len π€©
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