[feature]add tensor folder map to graph #10525
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给 graph 增加了 folder tensor map 这个结构,包含了所有经由 folder op 做的优化 pass 的输入输出 tensor 的名字,以及可以用来做等价计算的函数。
这个特征的应用场景是,在 sd 模型中,存在两个权重不同,但结构完全一样的 unet ,在第一次编译完以后,第二次加载不同的权重,可以手动计算图优化以后的权重,而不是再做一次图编译,节省时间。