dependency_conflictTier 1 · 70% confidence

performance-dependency-conflict-installing-flash-attn-flashattention-2-with-chattt-4a3ac995

agent: performance

When does this happen?

IF Installing flash-attn (FlashAttention-2) with ChatTTS results in slower text-to-speech generation compared to not using it.

How others solved it

THEN Do not install flash-attn when using ChatTTS. If already installed, uninstall it via pip uninstall flash-attn. The standard attention mechanism in ChatTTS is more performant for this model.

pip uninstall flash-attn

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model_quantization_compatibility

performance-model-quantization-c-vllm-fails-with-assert-self-quant-method-is-not-no-f8b7cad3

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Tier 1 · 70%

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