@alec_helbling: Diffusion LMs generate multiple tokens in parallel. However, iterative unmasking repeatedly updates token states, limit…

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Summary

The post describes how diffusion language models face KV-cache reuse limitations due to iterative unmasking, and introduces Block Diffusion as a solution that decodes blocks left-to-right for efficient caching while generating in parallel.

Diffusion LMs generate multiple tokens in parallel. However, iterative unmasking repeatedly updates token states, limiting KV-cache reuse. Block Diffusion restores efficient caching by decoding blocks left-to-right while generating each block in parallel. https://t.co/JXODydX5ng
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Cached at: 09/11/26, 02:41 PM

Diffusion LMs generate multiple tokens in parallel.

However, iterative unmasking repeatedly updates token states, limiting KV-cache reuse.

Block Diffusion restores efficient caching by decoding blocks left-to-right while generating each block in parallel. https://t.co/JXODydX5ng

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