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torch.as_tensor(np_array) is sometimes much faster than torch.tensor(np_array) #38703

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mruberry opened this issue May 19, 2020 · 1 comment

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module: numpy module: performance triaged

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mruberry commented May 19, 2020 •

edited by pytorch-probot bot

Per title. Reported internally. See related (but distinct) #13918, which discusses conversion from lists of arrays.

cc @mruberry @VitalyFedyunin @ngimel

mruberry added module: performance module: numpy triaged labels

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ssnl commented May 19, 2020

um, isn't this expected? as_tensor(array) doesn't copy but tensor(array) copies.

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