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ThorstenBux / artoolkitX_em_2d

2d tracking with emscripten
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Building OpenCV with OpenCL enabled #2

Open kalwalt opened 5 years ago

kalwalt commented 5 years ago

I will start to collect in this issue a series of resource that can help to build OpenCV with OpenCL and other useful informations that can help.

kalwalt commented 5 years ago

From the OpenCV doc page: https://docs.opencv.org/4.1.0/db/dfa/tutorial_transition_guide.html

kalwalt commented 5 years ago

I was able to build your https://github.com/ThorstenBux/opencv-em/ with OpenCL enabled I used these setting:

OPENCV_CONF="${OPENCV_MODULES_EXCLUDE} -DBUILD_PERF_TESTS:BOOL=0 -DBUILD_SHARED_LIBS:BOOL=0 -DBUILD_opencv_apps:BOOL=0 -DBUILD_TESTS:BOOL=0 -DBUILD_opencv_python_tests:BOOL=0 -DBUILD_opencv_apps:BOOL=0 -DWITH_PTHREADS_PF=0 -DWITH_OPENCL=ON -DWITH_OPENCL_SVM=ON -DCMAKE_BUILD_TYPE=Release"

i addded only -DWITH_OPENCL=ON -DWITH_OPENCL_SVM=ON SVM means Shared Virtual Memory though i'm not sure if we needs this.

article about SVM https://software.intel.com/en-us/articles/opencl-20-shared-virtual-memory-overview and opencv optimization: https://github.com/opencv/opencv/wiki/OpenCL-optimizations

There are other flags for OpenCL -DWITH_OPENCLAMDFFT -DWITH_OPENCLAMDBLAS but i don't think we need to add ( at least i suppose).

ThorstenBux commented 5 years ago

Can you build, bundle and push a release stating the OpenCV conf settings in the release message? That way we have them archived and reproduceable. From that we can pull them into artoolkitX.js and test.

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From: Walter Perdan notifications@github.com Sent: Sunday, September 1, 2019 1:07:58 AM To: ThorstenBux/artoolkitX_em_2d artoolkitX_em_2d@noreply.github.com Cc: Subscribed subscribed@noreply.github.com Subject: Re: [ThorstenBux/artoolkitX_em_2d] Building OpenCV with OpenCL enabled (#2)

I build your https://github.com/ThorstenBux/opencv-em/https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FThorstenBux%2Fopencv-em%2F&data=02%7C01%7C%7C0e302190d7d948c199aa08d72e143f70%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637028536801693091&sdata=NzTcxCgnX4VNIwynt7XD3Sj%2Bk6NmdJGA4QQW0%2Fey7BU%3D&reserved=0 with OpenCL enabled I used these setting:

OPENCV_CONF="${OPENCV_MODULES_EXCLUDE} -DBUILD_PERF_TESTS:BOOL=0 -DBUILD_SHARED_LIBS:BOOL=0 -DBUILD_opencv_apps:BOOL=0 -DBUILD_TESTS:BOOL=0 -DBUILD_opencv_python_tests:BOOL=0 -DBUILD_opencv_apps:BOOL=0 -DWITH_PTHREADS_PF=0 -DWITH_OPENCL=ON -DWITH_OPENCL_SVM=ON -DCMAKE_BUILD_TYPE=Release"

i addded only -DWITH_OPENCL=ON -DWITH_OPENCL_SVM=ON SVM means Shared Virtual Memory though i'm not sure if we needs this.

article about SVM https://software.intel.com/en-us/articles/opencl-20-shared-virtual-memory-overviewhttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fsoftware.intel.com%2Fen-us%2Farticles%2Fopencl-20-shared-virtual-memory-overview&data=02%7C01%7C%7C0e302190d7d948c199aa08d72e143f70%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637028536801703096&sdata=849o869yoU6RgHvUVp%2BLE8fUfaaTRX5LGB43QmCmWaI%3D&reserved=0 and opencv optimization: https://github.com/opencv/opencv/wiki/OpenCL-optimizationshttps://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fopencv%2Fopencv%2Fwiki%2FOpenCL-optimizations&data=02%7C01%7C%7C0e302190d7d948c199aa08d72e143f70%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637028536801713112&sdata=dDTSpYIpgZXFw2UqNbMlDRuzN7g7vOeXPYiaZSCqe3g%3D&reserved=0

There are other flags for OpenCL -DWITH_OPENCLAMDFFT -DWITH_OPENCLAMDBLAS but i don't think we need to add ( at least i suppose).

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kalwalt commented 5 years ago

yes i can do, I'm also testing with Artoolkitx.js. I started also to change in PlanarTracker.cpp all the cv::Mat to cv::UMat i will make a PR when i have partially finished.

kalwalt commented 5 years ago

@ThorstenBux anyway do you mean a OpenCV release as you did here?

kalwalt commented 5 years ago

i have already a PR https://github.com/ThorstenBux/opencv-em/pull/2 we continue this discussion on this topic there.