Verified65% confidenceFactExact time
The computational complexity of standard self-attention is quadratic with respect to sequence length, and achieving a context of one million tokens requires introducing techniques such as sparse attention, sliding window attention, and KV Cache compression.
3
Sources
65%
Confidence
Long-term
Relevance
7/25/2026
First Seen
Sources
中国开源大模型如何逼近美国闭源巨头？
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