[PHI] Fix paddle.dist for big tensor #73064
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PR Category
Operator Mechanism
PR Types
Bug fixes
Description
paddle.dist(x, y) 实际上就是 (x op y).sum()（op可以是减法、pow等，sum也可以是min、max），原来的实现在 x op y 这步用了int下标，改成int64_t就好了；sum这步是调用reduce kernel，不用改
Pcard-85711