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@haolin-nju haolin-nju commented Jul 19, 2021

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Add Tensor slice(const int64_t begin_idx, const int64_t end_idx) const; for ext_tensor, which introduces tensor slicing feature for custom external operators.

A detailed doc PR in Chinese is now available at docs PR3824.

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Thanks for your contribution!
Please wait for the result of CI firstly. See Paddle CI Manual for details.

framework::vectorize<int64_t>(tensor->dims());
shape_vec[0] = end_idx - begin_idx;
Tensor target = Tensor(place_, shape_vec);
auto *target_tensor =
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Try to use CustomTensorUtils::ShareDataFrom instead?

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LGTM

@JiabinYang JiabinYang merged commit 3f011d8 into PaddlePaddle:develop Aug 11, 2021
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2 participants