[Phi]Fix group_norm and its grad kernel for big tensor #73635
Merged
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PR Category
Operator Mechanism
PR Types
Bug fixes
Description
对Group_norm的前向和反向算子GPU Kernel进行修复,支持大Tensor计算。NDHWC Layout的GPU Kernel后续再修复。
将imsize N C等参数改为int64_t类型
限制Grid的大小,在kernel内部增加循环。
性能前后对比:
性能波动在2%以内。