tensor support apply_backward_hook by user #73424
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PR Category
Execute Infrastructure
PR Types
New features
Description
某些高性能场景下，用户希望手动对grad操作，绕过backward node机制(比如当前fp8下，fp8 weight grad是在pylayer里调用inplace计算并做累加的)。此时param的hook将不会被触发。此pr允许用户在上述场景下手动触发hook。
Pcard-67164