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【Others】Ubuntu16.04 编译 opencv 出现错误 Unsupported gpu architecture compute_20

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The title of the post is about encountering an error while compiling OpenCV on Ubuntu 16.04 due to unsupported GPU architecture compute_20. The author mentions that their CUDA version is 9.0 and some online suggestions recommend downgrading it to version 8.0 or below. However, the author suggests a simpler solution by adding a command during the compilation process, specifying the use of Kepler architecture.

我的 cuda 版本是 9.0，估计就是版本问题，网上有人说把 cuda 降到 8.0 以下。这个方法真是扯淡～

其实只要在编译的时候加一句话就好了

cmake -D CMAKE_BUILD_TYPE=RELEASE -D CMAKE_INSTALL_PREFIX=/usr/local -D CUDA_GENERATION=Kepler ..

关键就是在最后指定使用 Kepler

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