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fix masked_scatter #60835

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Merged
luotao1 merged 1 commit into from
Jan 17, 2024
Merged

fix masked_scatter #60835

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11 changes: 6 additions & 5 deletions python/paddle/tensor/manipulation.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4586,12 +4586,13 @@ def masked_scatter(x, mask, value, name=None):
zeros_like_x = paddle.zeros_like(x, dtype=int)
mask = paddle.add(paddle.cast(mask, dtype="int"), zeros_like_x)
mask_prefix = paddle.clip(mask.cumsum() - 1, min=0)
assert (
mask_prefix[-1] <= value.numel()
), f'mask true nums must be <= value size, but got mask true nums is {mask.sum().item()}, value size is {value.numel().item()}'
if in_dynamic_mode():
assert (
mask_prefix[-1] <= value.numel()
), f'mask true nums must be <= value size, but got mask true nums is {mask_prefix[-1].item()}, value size is {value.numel().item()}'

value = value.flatten()[mask_prefix].reshape(mask.shape)
mask = paddle.logical_not(mask)
mask = paddle.logical_not(mask.astype(bool))
return paddle.where(mask, x, value)


Expand All @@ -4613,7 +4614,7 @@ def masked_scatter_(x, mask, value, name=None):
), f'mask true nums must be <= value size, but got mask true nums is {mask_prefix[-1].item()}, value size is {value.numel().item()}'

value = value.flatten()[mask_prefix].reshape(mask.shape)
mask = paddle.logical_not(mask)
mask = paddle.logical_not(mask.astype(bool))
out = paddle.where_(mask, x, value)
return out

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