AHN只是优化了固定上下文，是否支持无限上下文

[TPLink32]

AHN只是优化了固定上下文，是否支持无限上下文

[yuweihao]

Thanks for your attention. Actually, AHN supports flexible lengths, even infinite ones in theory. We use FlexAttention for prefilling, but you may need additional optimization when the prefilling length is very long.