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!48694 [MS][[master] reduce mean grad bugfix 

Merge pull request !48694 from Greatpan/reduce_mean_grad_bugfix
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i-robot 2023-02-11 02:25:28 +00:00 committed by Gitee
parent 7a15dc2385 cbbbb6c690
commit f39668bbeb
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mindspore/python/mindspore/ops/_grad/grad_math_ops.py
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@ -1064,7 +1064,7 @@ def get_bprop_reduce_mean(self):
grad = _sum_grad(x, axis, dout) grad = _sum_grad(x, axis, dout)
shape_x = shape_op(x) shape_x = shape_op(x)
shape_out = shape_op(out) shape_out = shape_op(out)
if F.is_sequence_value_unknown(shape_x): if F.is_sequence_value_unknown(shape_x) or F.is_sequence_value_unknown(shape_out):
shape_x = dyn_shape_op(x) shape_x = dyn_shape_op(x)
shape_out = dyn_shape_op(out) shape_out = dyn_shape_op(out)
div_shape = reduce_prod(cast(shape_x, mstype.float32), ()) /\ div_shape = reduce_prod(cast(shape_x, mstype.float32), ()) /\