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Vectorization of util functions #38

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borongyuan opened this issue Dec 15, 2018 · 0 comments
Open

Vectorization of util functions #38

borongyuan opened this issue Dec 15, 2018 · 0 comments

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@borongyuan
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The functions in utils.h are inefficient.
I noticed that it takes about 9ms to run cvImageToTensor() and preprocessInception() on TX2. In contrast to this, the inference time of SSD (half precision) for batchsize=1 is 27ms.
There is a triple loop in cvImageToTensor(). Is it possible to let the compiler do the auto-vectorization? Or we need to manually reimplement these functions?
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