根據blog裝好mx250的顯卡之後,開始安裝cuda
安裝教程參考https://blog.csdn.net/weixin_41851439/article/details/88712465
0 確定自己已經裝好顯卡了 nvidia-smi會顯示出來
1 下載cuda和cudnn
上面是9.0的鏈接
下面是cudnn的鏈接 需要註冊之後才能下載 下載9.0對應版本
https://developer.nvidia.com/rdp/cudnn-archive
把安裝包和四個補丁全下載了
2 下載的過程中可以把gcc 和 g++降級 因爲cuda需要低版本的
sudo apt-get install gcc-4.8
sudo apt-get install g++-4.8
然後進入到/usr/bin目錄下輸入:ls -l gcc*
cd /usr/bin
ls -l gcc*
顯示結果如下:
lrwxrwxrwx 1 root root 7th 3月 20 11:38 /usr/bin/gcc -> gcc-7
表示gcc鏈接到gcc-7, 需要將它改爲鏈接到gcc-4.8,方法如下:
sudo mv gcc gcc.bak #備份
sudo ln -s gcc-4.8 gcc #重新鏈接
同理, 將g++鏈接到g++4.8:
sudo mv g++ g++.bak
sudo ln -s g++-4.8 g++
在/usr/bin目錄下查看gcc和g++版本
ls -l gcc*
ls -l g++*
顯示gcc和g++均鏈接到4.8版本,則說明安裝成功
3 安裝cuda
下載好了之後 cd到downloads目錄 運行.run文件
sudo sh cuda_9.0.176_384.81_linux.run
然後一路accept或者yes,在提示是否安裝顯卡驅動時選擇no(因爲已經安裝過了,否則可能會出現bug)
會提示驅動問題 不管他 繼續
接下來安裝補丁文件,方法和安裝cuda9.0一樣:
sudo sh cuda_9.0.176.1_linux.run
sudo sh cuda_9.0.176.2_linux.run
sudo sh cuda_9.0.176.3_linux.run
sudo sh cuda_9.0.176.4_linux.run
4 配置環境
打開.barshrc
sudo vim ~/.barshrc
在最後面加入下面兩條語句
export PATH=/usr/local/cuda-9.0/bin${PATH:+:${PATH}}
export LD_LIBRARY_PATH=/usr/local/cuda-9.0/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
5 安裝cudnn
cd到自己的downloads目錄 裏面解壓:
tar zxvf cudnn-9.0-linux-x64-v7.1.tgz
文件copy到cuda裏面
sudo cp /home/**/Downloads/cuda/include/cudnn.h /usr/local/cuda-9.0/include
sudo cp /home/***/Downloads/cuda/lib64/libcudnn* /usr/local/cuda-9.0/lib64
sudo chmod a+r /home/***/Downloads/cuda/include/cudnn.h /usr/local/cuda-9.0/lib64/libcudnn*
OK了
測試cuda是否安裝好
cd /usr/local/cuda/samples/1_Utilities/deviceQuery #由自己電腦目錄決定
sudo make
sudo ./deviceQuery
出現一長串說明OK
我的是這樣
sudo ./deviceQuery
./deviceQuery Starting...
CUDA Device Query (Runtime API) version (CUDART static linking)
Detected 1 CUDA Capable device(s)
Device 0: "GeForce MX250"
CUDA Driver Version / Runtime Version 10.2 / 9.0
CUDA Capability Major/Minor version number: 6.1
Total amount of global memory: 2003 MBytes (2099904512 bytes)
( 3) Multiprocessors, (128) CUDA Cores/MP: 384 CUDA Cores
GPU Max Clock rate: 1582 MHz (1.58 GHz)
Memory Clock rate: 3004 Mhz
Memory Bus Width: 64-bit
L2 Cache Size: 524288 bytes
Maximum Texture Dimension Size (x,y,z) 1D=(131072), 2D=(131072, 65536), 3D=(16384, 16384, 16384)
Maximum Layered 1D Texture Size, (num) layers 1D=(32768), 2048 layers
Maximum Layered 2D Texture Size, (num) layers 2D=(32768, 32768), 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 bytes
Concurrent copy and kernel execution: Yes with 2 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
Supports Cooperative Kernel Launch: Yes
Supports MultiDevice Co-op Kernel Launch: Yes
Device PCI Domain ID / Bus ID / location ID: 0 / 2 / 0
Compute Mode:
< Default (multiple host threads can use ::cudaSetDevice() with device simultaneously) >
deviceQuery, CUDA Driver = CUDART, CUDA Driver Version = 10.2, CUDA Runtime Version = 9.0, NumDevs = 1
Result = PASS