<caffe安装系列>deeplab-v2问题总结

deeplab-v2问题总结：

1. cudnn降级：由于v5出现函数不匹配，我就把v5降级到v4

2. atomicadd函数的修改：cuda8已经有该函数的定义，所以需要修改common.cuh文件

bug：caffe/common.cu error: function atomicadd has already been defined

解决方法：https://github.com/vlfeat/matconvnet/issues/575

具体做法：修改/include/caffe/common.cuh文件

具体代码如下：

// Copyright 2014 George Papandreou

#ifndef CAFFE_COMMON_CUH_

#define CAFFE_COMMON_CUH_

#include <cuda.h>

#if !defined(__CUDA_ARCH__) || __CUDA_ARCH__ >= 600

#else

// CUDA: atomicAdd is not defined for doubles

static __inline__ __device__ double atomicAdd(double *address, double val) {

  unsigned long long int* address_as_ull = (unsigned long long int*)address;

  unsigned long long int old = *address_as_ull, assumed;

  if (val==0.0)

    return __longlong_as_double(old);

  do {

    assumed = old;

    old = atomicCAS(address_as_ull, assumed, __double_as_longlong(val +__longlong_as_double(assumed)));

  } while (assumed != old);

  return __longlong_as_double(old);

}

#endif

#endif

3. matio.h no such file or directory

解决办法： 安装libmatio，sudo apt-get install libmatio-dev 

4. 找不到mat系列文件

../lib/libcaffe.so.1.0.0-rc3: undefined
reference to 

Mat_VarCreate' ../lib/libcaffe.so.1.0.0-rc3: undefined reference to

Mat_CreateVer'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to 

Mat_VarWrite'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to

Mat_VarFree'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to 

Mat_VarReadInfo'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to

Mat_Close'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to 

Mat_VarReadDataLinear'
../lib/libcaffe.so.1.0.0-rc3: undefined reference to

Mat_Open'

解决方法：https://github.com/TheLegendAli/DeepLab-Context2/issues/1

具体做法：

（1）添加以下代码至cmake/Dependencies.cmake文件中：

find_package(MATIO REQUIRED)
include_directories(${MATIO_INCLUDE_DIR})
list(APPEND Caffe_LINKER_LIBS ${MATIO_LIBRARIES})

（2）并将findmatio.cmake文件拷贝至文件夹cmake/Modules/

findmatio文件下载路径：https://github.com/TheLegendAli/DeepLab-Context/files/453735/FindMATIO.cmake.zip

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