基于Timeline的AI CPU算子优化

Modify the model code to avoid AI CPU operator operations

修改代码，避免出现AI CPU算子计算。

Fuse AI CPU operators to reduce frequent switchover between AI CPU and AI Core operators

融合部分AI CPU算子。

Change the mode structure, for example, from INT64 to FP16

更改模型结构，如：INT64转FP16。

Optimize the performance of time-consuming AI CPU operators

AI CPU算子本身性能优化。