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DeepSeek-V2:

一个强大、经济且高效的混合专家语言模型天0.11-0.220.230.670.150.16

0.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62head1head2head3天0.120.120.430.670.350.16天0.11-0.220.230.670.150.16

生0.210.420.540.140.640.360.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62head1head2head30.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62天0.120.120.430.670.350.16生0.110.220.140.440.640.26天0.11-0.220.230.670.150.16

生0.210.420.540.140.640.360.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head30.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62生0.110.220.140.440.640.26天0.11-0.220.230.670.150.16

生0.210.420.540.140.640.360.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head30.110.560.23-0.430.340.160.51-0.430.230.120.620.62我0.61-0.220.240.640.520.160.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62我0.61-0.220.240.640.520.16随着序列越来越长,KVCache越来越大。占用大量显存。KVCache减少了推理时的计算量,加快推理速度。天0.11-0.220.230.670.150.16

0.110.560.32-0.120.230.430.150.430.51-0.43head1head2head30.110.560.51-0.430.110.560.51-0.43天0.11-0.220.230.670.150.16

0.110.560.32-0.120.230.430.150.430.51-0.43head1head2head30.110.560.51-0.430.110.560.51-0.43天0.11-0.220.230.670.150.16

0.110.560.23-0.430.340.160.32-0.120.230.430.150.430.51-0.430.230.120.620.62head1head2head3天0.11-0.220.230.670.150.16

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3天0.11-0.220.230.670.150.16

0.810.42MHAMQA天0.11-0.220.230.670.150.16

0.110.560.51-0.43head1head2head30.110.560.51-0.430.110.560.51-0.43MLACacheCache

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3Cache天0.11-0.220.230.670.150.16

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3天0.11-0.220.230.670.150.16

0.810.42MHAMQA天0.11-0.220.230.670.150.16

0.110.560.51-0.43head1head2head30.110.560.51-0.430.110.560.51-0.43MLACacheCache

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3Cache推理时引入额外计算

带缓存的推理当前Token之前Token当前Token存入之前Token存入

直接从缓存获取

带缓存的推理当前Token之前Token当前Token存入之前Token存入

直接从缓存获取

带缓存的推理当前Token之前Token存入

带缓存的推理当前Token之前Token存入

天0.11-0.220.230.670.150.16

0.810.42MLA

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3Cache

0.210.44

0.110.560.23-0.430.340.16旋转位置编码

不带旋转位置编码:RoPE:

i,j和token位置相关,无法合并天0.11-0.220.230.670.150.16

0.810.42MLA

0.110.560.23-0.430.340.160.51-0.430.230.120.620.62head1head2head3Cache

0.210.44

0.110.560.23-0.430.340.16

0.110.340.240.410.350.23RoPE0.310.31天0.11-0.220.230.670.150.16

0.810.42MLA

0.110.560.23-0.430.340.160.51-0.430.430.120.620.62head1head2head3Cache

0.210.44

0.740.160.13-0.230.440.86

0.110.340.240.410.350.23RoPE0.31

0.25RoPECache0.310.31天0.11-0.220.230.670.150.16

0.810.42MLA

0.110.560.23-0.430.340.160.51

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