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這篇文章主要為大家展示了“windows10下如何將cuda9.2升級到cuda10.2”,內(nèi)容簡而易懂,條理清晰,希望能夠幫助大家解決疑惑,下面讓小編帶領(lǐng)大家一起研究并學(xué)習(xí)一下“windows10下如何將cuda9.2升級到cuda10.2”這篇文章吧。
一、文章主要內(nèi)容
1、Windows10下從cuda9.2升級到cuda10.2
2、Windows10下cudnn安裝
3、cuda9.2、cuda10.2、cudnn7.2.1、cudnn7.6.5在DeepLearning4j中性能對比
二、安裝過程
1、機(jī)器環(huán)境說明:
CPU:i7 8700 6核12線程
GPU:GTX 1070Ti
內(nèi)存:16G
備注:機(jī)器中曾經(jīng)安裝過cuda和cudnn,版本為:cuda9.2.148、cudnn7.2.1
2、安裝包準(zhǔn)備
(1)、cuda下載
cuda下載地址:https://developer.nvidia.com/cuda-toolkit-archive,這里下載版本為:10.2,由于dl4j最高只支持到10.2
安裝機(jī)器為windows10 64位,選擇cuda win10的64位版本,安裝模式選擇local,把安裝包下載到本地安裝
(2)、cuDNN下載
下載地址:https://developer.nvidia.com/rdp/cudnn-archive,這里選擇與cuda10.2匹配的最新cudnn版本:7.6.5,這里不選8.0.2的原因是dl4j-beta6不支持8.x版本。
下載到的安裝包如下:
3、安裝cuda10.2
直接按照默認(rèn)安裝路徑,下一步,同意并繼續(xù) -> 精簡安裝
進(jìn)入安裝階段
安裝結(jié)束之后,在C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA目錄之下,出現(xiàn)了v10.2的文件夾,如下圖:
備注:這里有個(gè)v9.2,是之前安裝的cuda版本,設(shè)置環(huán)境變量,也可以切換到9.2的版本
打開cmd控制臺(tái),輸入nvcc --version命令回車,如下圖所示,說明10.2版本安裝成功
同時(shí)用dl4j最新的example測試,驗(yàn)證cuad10.2是否可用,example地址:https://github.com/eclipse/deeplearning4j-examples/tree/master/mvn-project-template
將maven依賴修改成如下配置,其中將dl4j-master.version修改為:1.0.0-beta6,加入nd4j-cuda-10.2-platform和deeplearning4j-cuda-10.2依賴
<properties> <dl4j-master.version>1.0.0-beta6</dl4j-master.version> <logback.version>1.2.3</logback.version> <java.version>1.8</java.version> <maven-shade-plugin.version>2.4.3</maven-shade-plugin.version> </properties> <dependencies> <!-- deeplearning4j-core: contains main functionality and neural networks --> <dependency> <groupId>org.deeplearning4j</groupId> <artifactId>deeplearning4j-core</artifactId> <version>${dl4j-master.version}</version> </dependency> <!-- ND4J backend: every project needs one of these. The backend defines the hardware on which network training will occur. "nd4j-native-platform" is for CPUs only (for running on all operating systems). --> <!-- <dependency> <groupId>org.nd4j</groupId> <artifactId>nd4j-native</artifactId> <version>${dl4j-master.version}</version> </dependency> --> <!-- CUDA: to use GPU for training (CUDA) instead of CPU, uncomment this, and remove nd4j-native-platform --> <!-- Requires CUDA to be installed to use. Change the version (8.0, 9.0, 9.1) to change the CUDA version --> <dependency> <groupId>org.nd4j</groupId> <artifactId>nd4j-cuda-10.2-platform</artifactId> <version>${dl4j-master.version}</version> </dependency> <!-- Optional, but recommended: if you use CUDA, also use CuDNN. To use this, CuDNN must also be installed --> <!-- See: https://deeplearning4j.konduit.ai/config/backends/config-cudnn#using-deeplearning-4-j-with-cudnn --> <dependency> <groupId>org.deeplearning4j</groupId> <artifactId>deeplearning4j-cuda-10.2</artifactId> <version>${dl4j-master.version}</version> </dependency> <dependency> <groupId>ch.qos.logback</groupId> <artifactId>logback-classic</artifactId> <version>${logback.version}</version> </dependency> </dependencies>
Run as 一下main方法,打印日志如下, ND4J CUDA build version: 10.2.89,說明cuda10.2已經(jīng)生效。
o.d.e.s.LeNetMNIST - Load data.... o.d.e.s.LeNetMNIST - Build model.... o.n.l.f.Nd4jBackend - Loaded [JCublasBackend] backend o.n.n.NativeOpsHolder - Number of threads used for linear algebra: 32 o.n.n.Nd4jBlas - Number of threads used for OpenMP BLAS: 0 o.n.l.a.o.e.DefaultOpExecutioner - Backend used: [CUDA]; OS: [Windows 10] o.n.l.a.o.e.DefaultOpExecutioner - Cores: [12]; Memory: [3.5GB]; o.n.l.a.o.e.DefaultOpExecutioner - Blas vendor: [CUBLAS] o.n.l.j.JCublasBackend - ND4J CUDA build version: 10.2.89 o.n.l.j.JCublasBackend - CUDA device 0: [GeForce GTX 1070 Ti]; cc: [6.1]; Total memory: [8589934592] o.d.n.m.MultiLayerNetwork - Starting MultiLayerNetwork with WorkspaceModes set to [training: ENABLED; inference: ENABLED], cacheMode set to [NONE] o.d.n.l.c.ConvolutionLayer - Could not initialize CudnnConvolutionHelper java.lang.reflect.InvocationTargetException: null at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:423) at org.deeplearning4j.nn.layers.convolution.ConvolutionLayer.initializeHelper(ConvolutionLayer.java:78) Caused by: java.lang.UnsatisfiedLinkError: no jnicudnn in java.library.path at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1867) at java.lang.Runtime.loadLibrary0(Runtime.java:870) at java.lang.System.loadLibrary(System.java:1122) at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:1543) at org.bytedeco.javacpp.Loader.load(Loader.java:1192)
上面的日志中,出現(xiàn)一個(gè)異常,cudnn無法被初始化,是因?yàn)閏udnn還沒有安裝,接下來就可以安裝cudnn了。
4、cuDNN安裝
解壓 cudnn-10.2-windows10-x64-v7.6.5.32.zip,出現(xiàn)下圖所示的三個(gè)文件夾
將這三個(gè)文件夾復(fù)制到C:\Program Files\NVIDIA GPU Computing Toolkit\CUDA\v10.2目錄下即可。cudnn的文件便加入到了cuda安裝目錄下
再次運(yùn)行測試程序,異常消失,且CudnnSubsamplingHelper和CudnnConvolutionHelper初始化成功
o.d.e.s.LeNetMNIST - Load data.... o.d.e.s.LeNetMNIST - Build model.... o.n.l.f.Nd4jBackend - Loaded [JCublasBackend] backend o.n.n.NativeOpsHolder - Number of threads used for linear algebra: 32 o.n.n.Nd4jBlas - Number of threads used for OpenMP BLAS: 0 o.n.l.a.o.e.DefaultOpExecutioner - Backend used: [CUDA]; OS: [Windows 10] o.n.l.a.o.e.DefaultOpExecutioner - Cores: [12]; Memory: [3.5GB]; o.n.l.a.o.e.DefaultOpExecutioner - Blas vendor: [CUBLAS] o.n.l.j.JCublasBackend - ND4J CUDA build version: 10.2.89 o.n.l.j.JCublasBackend - CUDA device 0: [GeForce GTX 1070 Ti]; cc: [6.1]; Total memory: [8589934592] o.d.n.m.MultiLayerNetwork - Starting MultiLayerNetwork with WorkspaceModes set to [training: ENABLED; inference: ENABLED], cacheMode set to [NONE] o.d.n.l.c.ConvolutionLayer - CudnnConvolutionHelper successfully initialized o.n.j.h.i.CudaZeroHandler - Creating bucketID: 5 o.d.n.l.c.s.SubsamplingLayer - CudnnSubsamplingHelper successfully initialized o.d.n.l.c.ConvolutionLayer - CudnnConvolutionHelper successfully initialized o.d.n.l.c.s.SubsamplingLayer - CudnnSubsamplingHelper successfully initialized
至此,cuda10.2和cudnn7.6.5安裝成功,且可以dl4j beta6可以正常運(yùn)行。
三、性能對比
測試程序地址:https://github.com/eclipse/deeplearning4j-examples/tree/master/mvn-project-template,網(wǎng)絡(luò)結(jié)構(gòu)為LeNet
環(huán)境說明:
操作系統(tǒng):Windows10
CPU:i7 8700 3.2GHz 6核12線程
GPU:GTX 1070Ti
內(nèi)存:16G
dl4j:beta6
對比結(jié)果:
運(yùn)行環(huán)境 | 耗時(shí)(ms) |
CPU | 26566 |
cuda9.2 | 20725 |
cuda9.2+cudnn7.2.1 | 12575 |
cuda10.2 | 19953 |
cuda10.2+cudnn7.6.5 | 12574 |
結(jié)果說明:
1、cuda9.2和cuda10.2運(yùn)行結(jié)果相差不大
2、cuda9.2+cudnn7.2.1 和 cuda10.2+cudnn7.6.5運(yùn)行結(jié)果也相差不大
3、cudnn運(yùn)行效率有顯著提升
4、GPU配合cudnn比CPU效率提升2倍
特殊說明:dl4j基于cudnn對如下結(jié)構(gòu)進(jìn)行了優(yōu)化,如下圖所示:
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