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Hi,

Does the timing change if you include

cudaDeviceSynchronize();

after

img1.upload(im_gray);

and after

gpuOrb->detectAndComputeAsync(img1, cv::noArray(), KeyP, descR, false, stream1);

for the version without streams?

Hi,

Does the timing change if you include

cudaDeviceSynchronize();

after

img1.upload(im_gray);

and after

gpuOrb->detectAndComputeAsync(img1, cv::noArray(), KeyP, descR, false, stream1);

for either the version with or without streams?