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2013-03-16 08:38:45 -0600 | commented answer | Using OpenCV parallelization on ARM I've already started rewriting my code in C++ to test again. I didn't know that TBB optimizations were not documented. So I will follow your advice on reading the source code! Thank you very much for your help! Спасибо тебе большое за помощь! |
2013-03-15 09:54:19 -0600 | asked a question | Using OpenCV parallelization on ARM Hi, I'm trying to use OpenCV 2.4.4 for the ZedBoard. It has a dual ARM Cortex-A9. The operating system is Xillinux, it is just an Ubuntu 12.04 for the ZedBoard with some extra stuff from Xillybus. Testing a build with no special options was pretty straight forward. Then I tried one build using the following options for TBB, as suggested here: -DWITH_TBB=ON -DBUILD_TBB=ON The build was successful, as it was the compilation of my demo program. The problem is that I don't see any difference on the performance. I get the same fps as without TBB. The demo I use is a pretty simple motion detection. Just basic operations on video frames. So the questions I have are the following:
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