[CINN] Eliminate loops for inplace operation #70581
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zyfncg
approved these changes
Jan 2, 2025
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PR Category
CINN
PR Types
Performance
Description
解除
EliminateInvariantLoop对inplace操作的限制，仅保留对reduce的限制，可以提升动态shape下含有此类inplace操作的算子性能10%解释：inplace操作可以分为两种：
a[0] = a[0] + b[k]a[0] = rsqrt(a[0])之前担心正确性问题，所以两种inplace都不允许，现在发现第二种没必要限制，因为它总是只执行一次，所以for循环是没必要的
Pcard-85711