Jetson TX2 安装tensorflow


声明:本文转载自https://my.oschina.net/u/1046919/blog/1554448,转载目的在于传递更多信息,仅供学习交流之用。如有侵权行为,请联系我,我会及时删除。

在Jetson TX2上安装tensorflow,需要在源码编译,至少我看到现在的教程都是在源码上编译,编译的时间会很久. 

源码编译安装tensorflow可以参考我另外一个教程,这里主要说一些注意要项.


bazel和tensorflow

bazel 和tensorflow的版本注意不要太高,我这里就是bazel和tensorflow的版本选的太高,导致安装完出现问题,虽然不知道是不是依赖没有打完整的缘故,但是在这里还是建议选择低一些的版本.

我这边选择的是bazel-5.4,tensorflow1.3


内存空间不足

网上说编译tensorflow可能会出现内存空间不够用的情况,所以需要做一个交换文件,但是实际上我并没有碰到,但是还是记录一下

#Create an 8GB swapfile fallocate -l 8G swapfile #Change permission of the swapfile chmod 600 swapfile #Create swap area mkswap swapfile #Activate the swap area sudo swapon swapfile # deactive the swap are sudo swapoff swapfile #Confirm swap area being used swapon -s 

修改tensorflow/stream_executor/cuda/cuda_gpu_executor.cc

在tensorflow/stream_executor/cuda/cuda_gpu_executor.cc中找到static intTryToReadNumaNode(conststring &pci_bus_id,intdevice_ordinal)这个函数,在最开始就添加一下内容

LOG(INFO) << "ARM has no NUMA node, hardcoding to return zero"; return 0; 

计算能力

在执行./configure的时候,如果要用到cuda会让你填Cuda compute capabilities,记得Jetson TX2的Cuda compute capabilities是6.3


Eigen错误

external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:359:55: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:360:55: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore(py, psub(pcj.pmul(pc,yi),pm.pmul(ps,xi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:360:55: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:374:56: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstoreu(px, padd(pm.pmul(pc,xi),pcj.pmul(ps,yi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:374:56: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:375:69: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstoreu(px+PacketSize, padd(pm.pmul(pc,xi1),pcj.pmul(ps,yi1)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:375:69: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:376:56: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore (py, psub(pcj.pmul(pc,yi),pm.pmul(ps,xi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:376:56: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:377:69: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore (py+PacketSize, psub(pcj.pmul(pc,yi1),pm.pmul(ps,xi1)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:377:69: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:385:66: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstoreu(x+peelingEnd, padd(pm.pmul(pc,xi),pcj.pmul(ps,yi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:385:66: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:386:66: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore (y+peelingEnd, psub(pcj.pmul(pc,yi),pm.pmul(ps,xi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:386:66: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:415:53: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore(px, padd(pm.pmul(pc,xi),pcj.pmul(ps,yi)));  ^  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:415:53: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  external/eigen_archive/Eigen/src/Jacobi/Jacobi.h:416:53: error: ‘struct Eigen::internal::conj_helper<__vector(4) __builtin_neon_sf, Eigen::internal::Packet2cf, false, false>’ has no member named ‘pmul’  pstore(py, psub(pcj.pmul(pc,yi),pm.pmul(ps,xi)));  

这些错误是eigen的arm部分有问题,解决方法: https://github.com/tensorflow/tensorflow/issues/9697

https://github.com/samjabrahams/tensorflow-on-raspberry-pi/issues/101

https://bitbucket.org/eigen/eigen/commits/d781c1de9834/

可以手工修改下,或者去下一个上述对arm修改过的3.3版本的Eigen去替换掉 ~/.cache/bazel/_bazel_ubuntu/5a48b4b8cc5de8b183f660553d84cc0b/external/eigen_archive/Eigen(那一长串的目录具体看你自己的)下的Eigen文件夹(下载地址:

手工修改方法是将tensorflow/workspace.bzl文件中的

native.new_http_archive(     name = "eigen_archive",     urls = [         "http://mirror.bazel.build/bitbucket.org/eigen/eigen/get/f3a22f35b044.tar.gz",         "https://bitbucket.org/eigen/eigen/get/f3a22f35b044.tar.gz",     ],     sha256 = "ca7beac153d4059c02c8fc59816c82d54ea47fe58365e8aded4082ded0b820c4",     strip_prefix = "eigen-eigen-f3a22f35b044",     build_file = str(Label("//third_party:eigen.BUILD")), ) 

替换成

native.new_http_archive(       name = "eigen_archive",       urls = [           "http://mirror.bazel.build/bitbucket.org/eigen/eigen/get/d781c1de9834.tar.gz",           "https://bitbucket.org/eigen/eigen/get/d781c1de9834.tar.gz",       ],       sha256 = "a34b208da6ec18fa8da963369e166e4a368612c14d956dd2f9d7072904675d9b",       strip_prefix = "eigen-eigen-d781c1de9834",       build_file = str(Label("//third_party:eigen.BUILD")),   )  

GL头文件问题

Building CXX object modules/core/CMakeFiles/opencv_core.dir/src/opengl.cpp.o In file included from /home/ubuntu/build/opencv/modules/core/src/opengl.cpp:50:0: /usr/local/cuda/include/cuda_gl_interop.h:64:2: error: #error Please include the appropriate gl headers before including cuda_gl_interop.h  #error Please include the appropriate gl headers before including cuda_gl_interop.h   ^ make[2]: *** [modules/core/CMakeFiles/opencv_core.dir/src/opengl.cpp.o] Error 1 make[1]: *** [modules/core/CMakeFiles/opencv_core.dir/all] Error 2 make: *** [all] Error 2 

注释/usr/local/cuda/include/cuda_gl_interop.h

#ifndef GL_VERSION #error Please include the appropriate gl headers before including cuda_gl_interop.h #endif #else 

本文发表于2017年10月22日 10:34
(c)注:本文转载自https://my.oschina.net/u/1046919/blog/1554448,转载目的在于传递更多信息,并不代表本网赞同其观点和对其真实性负责。如有侵权行为,请联系我们,我们会及时删除.

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