[CINN] ComputeAt supports loop fusion for Elementwise #70547
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zyfncg
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zyfncg
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PR Category
CINN
PR Types
Performance
Description
重构了
ComputeAtReductionTactic的流程，新增对Elementwise的支持该流程的核心函数为
FindCandidateBlocks(block)，该函数用于在计算图中寻找对于当前block而言可以合法进行ComputeAt、且有性能提升的候选block，分为4个步骤：GetDependencyHarzardFreeBlocks找到所有与当前block没有依赖冲突的blockControlFlowAllEqual筛选出其中控制流也与当前block相等的blockHasCommonLoad进一步筛选出其中与当前block有共同输入的block性能测试
Pcard-85711