mxnet環境搭建隨記

  安裝mxnet仍是遇到很多麻煩事,如今簡單記一下,挖個坑,後續詳細補充,打算寫一下個人mxnet探索之旅。html

     更新: 具體安裝mxnet,cuda,opencv過程已經補坑——點擊進入git

  不知道爲何,在cuda7.5+ubuntu14.04amd64 + opencv2.4.13時,會顯卡驅動有問題,沒法顯示桌面.可是能夠正常使用。後續我改成16.04+cuda8.0rc+opencv2.4.13,解決了桌面顯示問題且正常使用,可是在想把opencv2.4.13換爲opencv3.10時,編譯opencv3.10時會報錯,關於cudalegacy模塊,以下; github

/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:120:54: error: ‘NppiGraphcutState’ has not been declared
     typedef NppStatus (*init_func_t)(NppiSize oSize, NppiGraphcutState** ppStat
                                                      ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:135:18: error: ‘NppiGraphcutState’ does not name a type
         operator NppiGraphcutState*()
                  ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:141:9: error: ‘NppiGraphcutState’ does not name a type
         NppiGraphcutState* pState;
         ^
In file included from /home/ecarx/opencv-3.1.0/build/modules/cudalegacy/precomp.hpp:75:0:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp: In constructor ‘{anonymous}::NppiGraphcutStateHandler::NppiGraphcutStateHandler(NppiSize, Npp8u*, {anonymous}::init_func_t)’:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:127:39: error: ‘pState’ was not declared in this scope
             nppSafeCall( func(sznpp, &pState, pDeviceMem) );
                                       ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp: In destructor ‘{anonymous}::NppiGraphcutStateHandler::~NppiGraphcutStateHandler()’:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:132:43: error: ‘pState’ was not declared in this scope
             nppSafeCall( nppiGraphcutFree(pState) );
                                           ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:132:49: error: ‘nppiGraphcutFree’ was not declared in this scope
             nppSafeCall( nppiGraphcutFree(pState) );
                                                 ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp: In function ‘void cv::cuda::graphcut(cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::Stream&)’:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:174:51: error: ‘nppiGraphcutGetSize’ was not declared in this scope
     nppSafeCall( nppiGraphcutGetSize(sznpp, &bufsz) );
                                                   ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:182:61: error: ‘nppiGraphcutInitAlloc’ was not declared in this scope
     NppiGraphcutStateHandler state(sznpp, buf.ptr<Npp8u>(), nppiGraphcutInitAll
                                                             ^
In file included from /home/ecarx/opencv-3.1.0/build/modules/cudalegacy/precomp.hpp:75:0:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:191:146: error: ‘nppiGraphcut_32s8u’ was not declared in this scope
 nsp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), state) );
                                                                            ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:196:146: error: ‘nppiGraphcut_32f8u’ was not declared in this scope
 nsp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), state) );
                                                                            ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp: In function ‘void cv::cuda::graphcut(cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::GpuMat&, cv::cuda::Stream&)’:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:246:52: error: ‘nppiGraphcut8GetSize’ was not declared in this scope
     nppSafeCall( nppiGraphcut8GetSize(sznpp, &bufsz) );
                                                    ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:254:61: error: ‘nppiGraphcut8InitAlloc’ was not declared in this scope
     NppiGraphcutStateHandler state(sznpp, buf.ptr<Npp8u>(), nppiGraphcut8InitAl
                                                             ^
In file included from /home/ecarx/opencv-3.1.0/build/modules/cudalegacy/precomp.hpp:75:0:
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:267:146: error: ‘nppiGraphcut8_32s8u’ was not declared in this scope
 nsp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), state) );
                                                                            ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
/home/ecarx/opencv-3.1.0/modules/cudalegacy/src/graphcuts.cpp:274:146: error: ‘nppiGraphcut8_32f8u’ was not declared in this scope
 nsp.step), sznpp, labels.ptr<Npp8u>(), static_cast<int>(labels.step), state) );
                                                                            ^
/home/ecarx/opencv-3.1.0/modules/core/include/opencv2/core/private.cuda.hpp:165:52: note: in definition of macro ‘nppSafeCall’
 #define nppSafeCall(expr)  cv::cuda::checkNppError(expr, __FILE__, __LINE__, CV
                                                    ^
modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/build.make:290: recipe for target 'modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/src/graphcuts.cpp.o' failed
make[2]: *** [modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/src/graphcuts.cpp.o] Error 1
make[2]: *** 正在等待未完成的任務....
[ 73%] Linking CXX executable ../../bin/opencv_perf_photo
CMakeFiles/Makefile2:9117: recipe for target 'modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/all' failed
make[1]: *** [modules/cudalegacy/CMakeFiles/opencv_cudalegacy.dir/all] Error 2
make[1]: *** 正在等待未完成的任務....
[ 73%] Built target opencv_perf_photo
Makefile:160: recipe for target 'all' failed
make: *** [all] Error 2
編譯opencv3.10報錯

  經屢次嘗試,都不成功。暫時放棄使用,初步猜想是由於,opencv3.10是2015年年底發行的,cuda8.0rc是2016.05發行的,因此自己opencv3.10不支持cuda8.0rc,可是我尚未去github問(opencv2.4.13是2016.05發行,使用正常),後續還會再嘗試,到時再更新。ubuntu

  我我的是由於硬件問題,因此環境選ubuntu16.04+cuda8.0rc。若是沒這個限制最好選擇比最新版本低一個版本,以求穩定。ide

  不得不說,搭建環境很耗時間,環境穩定後,不要輕易改變。ui

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