[CINN] Adapt to sub_iter_space in TileTransposeTactic #71976
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| IterSpaceGetter iter_space_getter(load.As<ir::Load>(), loops); | ||
| std::vector<int> iter_space = iter_space_getter(); |
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对于超过1个副迭代空间的情况，前面融合的时候已经拆开了吗？
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融合没法保证，所以我下面做了判断，如果有多于1个sub_iter_space，就不match这个tactic
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PR Category
CINN
PR Types
Improvements
Description
在 TileTransposeTactic 引入 副迭代空间（Sub Iter Space）的概念，替换掉原来的Common Permutation，本质上从关注具体的一个个transpose变为整体关注迭代空间的连续性，从而提高Tactic的通用性，并实现对Reshape和Slice的有限支持
如图，我们将for循环的顺序设为主迭代空间，与for循环顺序不同的则为副迭代空间，则：
性能测试
Pcard-85711