Unverified50% confidenceFactExact time
在高缓存命中场景下TTFT主要由数据搬运量决定而计算量极小，因此对内存带宽高度敏感且近乎线性响应，故TTFT收益最为显著
1
Sources
50%
Confidence
Long-term
Relevance
7/11/2026
First Seen
Sources
TB/s内存层加速SGLang：X-Mem让TTFT降低6.7倍的技术解析
twitterlmsysorg7/8/2026
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