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DFlash is a lightweight block diffusion model for speculative decoding, now running in production with support for various LLMs like Qwen and Gemma.
This article introduces Qwen3.6-27B-DFlash, a specialized drafter model for DFlash, a novel speculative decoding method using block diffusion to accelerate inference speed. It provides installation instructions for vLLM and SGLang to enable parallel drafting with the target Qwen3.6-27B model.