ubuntu16 caffe GPU
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第一部分,准备材料(NVIDIA官网下载):
Cuda8.0àcuda_8.0.27_linux.run
网址:https://developer.nvidia.com/cuda-downloads
Cudnnàcudnn-7.0-linux-x64-v4.0-prod.tgz
网址:https://developer.nvidia.com/cudnn
第二部分,安装步骤
2.1系统安装
系统选择ubuntu14.04,下载后ultrISO制作到U盘安装,不细说了。关闭系统更新。
2.2、安装依赖
安装编译工具:$sudo apt-get install build-essential # basic requirement
$sudo apt-get install cmake git$sudo apt-get update #update source
安装依赖项:
$sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler$sudo apt-get install --no-install-recommends libboost-all-dev$sudo apt-get install libopenblas-dev liblapack-dev libatlas-base-dev$sudo apt-get install libgflags-dev libgoogle-glog-dev liblmdb-dev$sudo apt-get install python-numpy python-scipy python-matplotlib
2.3、显卡驱动安装
sudo apt-get install nvidia-367 (367 qudong ban ben )
2.4、安装cuda8.0
xianzai cuda
进入cuda_8.0.27_linux.run所在目录
$cd ~/Downloads$sudo chmod +x cuda_8.0.27_linux.run$sudo ./cuda_8.0.27_linux.run
按q键退出RELU文档,按照如下选择,显卡驱动一定要选n,不装
**Do you accept the previously read EULA?
accept/decline/quit: accept
Install NVIDIA Accelerated Graphics Driver for Linux-x86_64 361.62?
(y)es/(n)o/(q)uit: n
Install the CUDA 8.0 Toolkit?
(y)es/(n)o/(q)uit: y
Enter Toolkit Location
[ default is /usr/local/cuda-8.0 ]:
Do you want to install a symbolic link at /usr/local/cuda?
(y)es/(n)o/(q)uit: y
Install the CUDA 8.0 Samples?
(y)es/(n)o/(q)uit: y
Enter CUDA Samples Location
[ default is /home/lly]:
Installing the CUDA Toolkit in /usr/local/cuda-8.0 …**
完成后看到
*Driver: Not SelectedToolkit: Installed in /usr/local/cuda-8.0Samples: Installed in /home/zhou, but missing recommended libraries*
最后,配置环境变量,直接放在系统配置文件profile里面:
$sudo gedit /etc/profile
在最后面加入两行代码:
export PATH=/usr/local/cuda-8.0/bin:$PATHexport LD_LIBRARY_PATH=/usr/local/cuda-8.0/lib64:$LD_LIBRARY_PATH
保存退出.
保存后,使环境变量立即生效,
$ source /etc/profile
执行:$ sudo ldconfig
此时,显卡驱动没装,等待下一步显卡驱动装好后检查cuda8.0是否装好。
errors: lly@lly-desktop:~/Downloads$ sudo ldconfig/sbin/ldconfig.real: /usr/lib/nvidia-375/libEGL.so.1 is not a symbolic link/sbin/ldconfig.real: /usr/lib32/nvidia-375/libEGL.so.1 is not a symbolic link
solution:
sudo mv /usr/lib/nvidia-375/libEGL.so.1 /usr/lib/nvidia-375/libEGL.so.1.orgsudo mv /usr/lib32/nvidia-375/libEGL.so.1 /usr/lib32/nvidia-375/libEGL.so.1.orgsudo ln -s /usr/lib/nvidia-375/libEGL.so.375.39 /usr/lib/nvidia-375/libEGL.so.1sudo ln -s /usr/lib32/nvidia-375/libEGL.so.375.39 /usr/lib32/nvidia-375/libEGL.so.1
关于卸载cuda:
$cd /usr/local/cuda-8.0/bin$sudo ./uninstall_cuda_8.0.pl
2.5、检查之前的安装
此时在home目录下会出现文件夹NVIDIA_CUDA-8.0_Samples,打开终端,进入该目录:
$sudo make –j8 #编译samples,我电脑8线程,全开编译
等待2分钟左右,编译完成,执行下条指令:
$sudo ./1_Utilities/deviceQuery/deviceQuery
出现如下信息,cuda8.0安装成功(忘记截图了,下面信息是gtx670装cuda6.5的)
./deviceQuery Starting... CUDA Device Query (Runtime API) version (CUDART static linking) Detected 1 CUDA Capable device(s) Device 0: "GeForce GTX 670" CUDA Driver Version / Runtime Version 6.5 / 6.5 CUDA Capability Major/Minor version number: 3.0 Total amount of global memory: 4095 MBytes (4294246400 bytes) ( 7) Multiprocessors, (192) CUDA Cores/MP: 1344 CUDA Cores GPU Clock rate: 1098 MHz (1.10 GHz) Memory Clock rate: 3105 Mhz Memory Bus Width: 256-bit L2 Cache Size: 524288 bytes Maximum Texture Dimension Size (x,y,z) 1D=(65536), 2D=(65536, 65536), 3D=(4096, 4096, 4096) Maximum Layered 1D Texture Size, (num) layers 1D=(16384), 2048 layers Maximum Layered 2D Texture Size, (num) layers 2D=(16384, 16384), 2048 layers Total amount of constant memory: 65536 bytes Total amount of shared memory per block: 49152 bytes Total number of registers available per block: 65536 Warp size: 32 Maximum number of threads per multiprocessor: 2048 Maximum number of threads per block: 1024 Max dimension size of a thread block (x,y,z): (1024, 1024, 64) Max dimension size of a grid size (x,y,z): (2147483647, 65535, 65535) Maximum memory pitch: 2147483647 bytes Texture alignment: 512 bdeclared as function returning an arrayytes Concurrent copy and kernel execution: Yes with 1 copy engine(s) Run time limit on kernels: Yes Integrated GPU sharing Host Memory: No Support host page-locked memory mapping: Yes Alignment requirement for Surfaces: Yes Device has ECC support: Disabled Device supports Unified Addressing (UVA): Yes Device PCI Bus ID / PCI location ID: 1 / 0 Compute Mode: < Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) > deviceQuery, CUDA Driver = CUDART, CUDA Driver Version = 6.5, CUDA Runtime Version = 6.5, NumDevs = 1, Device0 = GeForce GTX 670 Result = PASS
可以看到,最后出现了PASS,安装cuda完成。
还可以:查看nvcc版本
$nvcc --version
显示
$nvidia-smi
2.6、CUDNN安装
$tar -zxvf cudnn-7.0-linux-x64-v4.0-prod.tgz $cd cuda$sudo cp lib64/lib* /usr/local/cuda/lib64/ $sudo cp include/cudnn.h /usr/local/cuda/include/
更新软连接:
$cd /usr/local/cuda/lib64/$sudo chmod +r libcudnn.so.5.1.5 # ziji de banben $sudo ln -sf libcudnn.so.5.1.5 libcudnn.so.5$sudo ln -sf libcudnn.so.5 libcudnn.so
更新设置:
$sudo ldconfig
2.7 opencv安装
进入这个网址下载文件https://github.com/jayrambhia/Install-OpenCV
解压后 进入其目录
$ cd Ubuntu
$ chmod +x *
$ ./opencv_latest.sh
2.8拉取caffe源码
git clone https://github.com/BVLC/caffe.git
2.9安装python的pip和easy_install,方便安装软件包(超慢的下载。。。)
$sudo wget --no-check-certificate https://bootstrap.pypa.io/ez_setup.py$sudo python ez_setup.py --insecure$wget https://bootstrap.pypa.io/get-pip.py$sudo python get-pip.py
2.10.安装python依赖(路径根据自己的目录可能要调一下)
$cd caffe/python
$sudo su$for req in $(cat requirements.txt); do pip install $req; done
2.11.编辑caffe所需的Makefile文件,配置
$cd caffe$cp Makefile.config.example Makefile.config$sudo gedit Makefile.config
$Makefile.config#里面有依赖库的路径,及各种编译配置,取消USE_CUDNN := 1的注释,开启GPU,USE_LMDB := 1
配置运行环境,调用CUDA库,在/etc/ld.so.conf.d目录新建caffe.conf,
$sudo gedit /etc/ld.so.conf.d/caffe.conf
添加:
/usr/local/cuda/lib64
保存退出,执行:
$sudo ldconfig
2.12、编译caffe、pycaffe
进入caffe根目录,
$sudo make –j8
error:
src/caffe/net.cpp:8:18: fatal error: hdf5.h: No such file or directoryhttp://blog.csdn.net/xue_wenyuan/article/details/52037121
http://blog.csdn.net/xue_wenyuan/article/details/52037121
这是因为ubuntu16.04的文件包含位置发生了变化,尤其是需要用到的hdf5的位置,所以需要更改这一路径.
Step 1
在Makefile.config文件的第85/94行,添加/usr/include/hdf5/serial/ 到 INCLUDE_DIRS,也就是把下面第一行代码改为第二行代码。
INCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/includeINCLUDE_DIRS := $(PYTHON_INCLUDE) /usr/local/include /usr/include/hdf5/serial/
Step 2
在Makefile文件的第173/181行,把 hdf5_hl 和hdf5修改为hdf5_serial_hl 和 hdf5_serial,也就是把下面第一行代码改为第二行代码。
LIBRARIES += glog gflags protobuf boost_system boost_filesystem m hdf5_hl hdf5LIBRARIES += glog gflags protobuf boost_system boost_filesystem m hdf5_serial_hl hdf5_serial
测试一下结果,
$sudo make test –j8$sudo make runtest –j8
(runtest中个别没通过没关系,不影响使用)
$make pycaffe –j8
Makefile.config zhong python lujing yao xie dui
errors:
http://blog.csdn.net/hongye000000/article/details/51043913
第三部分,拿cifar10测试下效果
$cd /home/smith/caffe
$sudo sh data/cifar10/get_cifar10.sh # (脚本下载速度太慢,找个迅雷下载拷进来,再照脚本解压)
# sudo sh examples/cifar10/create_cifar10.sh# sudo sh examples/cifar10/train_quick.sh
下面,网络开始初始化、训练了,loss会开始下降,很快的就会出现优化完成。
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