BPI-M2 ZERO : TensorFlow 2.1.0 설치 (Python 3.7)

출처

• 대소니 :: Tensorflow version 확인
• libstdc++.so.6: version `GLIBCXX_3.4.22' not found · Issue #13 · lhelontra/tensorflow-on-arm

리눅스 정보 확인

CPU 정보 확인

$ cat /proc/cpuinfo
Processor       : ARMv7 Processor rev 5 (v7l)
processor       : 0
BogoMIPS        : 1142.85
 
processor       : 1
BogoMIPS        : 1142.85
 
processor       : 2
BogoMIPS        : 1142.85
 
processor       : 3
BogoMIPS        : 1142.85
 
Features        : swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpv4 idiva idivt 
CPU implementer : 0x41
CPU architecture: 7
CPU variant     : 0x0
CPU part        : 0xc07
CPU revision    : 5
 
Hardware        : sun8i
Revision        : 0000
Serial          : 44007867890c5817090e

커널에 대한 정보

$ uname -a
Linux bananapim2zero 3.4.113-sun8i #2 SMP PREEMPT Wed May 8 15:09:43 CEST 2019 armv7l armv7l armv7l GNU/Linux

OS버전에 대한 정보

$ cat /etc/issue
Ubuntu 16.04.6 LTS \n \l

논리 코어 수 확인

$ grep -c processor /proc/cpuinfo
4

libstdc++6 라이브러리 업데이트

오류 메시지 ImportError: /usr/lib/arm-linux-gnueabihf/libstdc++.so.6: version `GLIBCXX_3.4.22' not found (required by /home/pi/.local/lib/python3.7/site-packages/tensorflow_core/python/_pywrap_tensorflow_internal.so)

libstdc++.so.6 라이브러리가 지원하는 버전 확인

$ strings /usr/lib/arm-linux-gnueabihf/libstdc++.so.6 | grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_3.4.9
GLIBCXX_3.4.10
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.16
GLIBCXX_3.4.17
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_DEBUG_MESSAGE_LENGTH

libstdc++6 업데이트

$ sudo apt-get install software-properties-common
$ sudo add-apt-repository ppa:ubuntu-toolchain-r/test
$ sudo apt-get update
$ sudo apt-get upgrade
$ sudo apt-get upgrade libstdc++6

libstdc++.so.6 라이브러리가 지원하는 버전 확인

$ strings /usr/lib/arm-linux-gnueabihf/libstdc++.so.6 | grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_3.4.9
GLIBCXX_3.4.10
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.16
GLIBCXX_3.4.17
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_3.4.22
GLIBCXX_3.4.23
GLIBCXX_3.4.24
GLIBCXX_3.4.25
GLIBCXX_3.4.26
GLIBCXX_3.4.27
GLIBCXX_3.4.28
GLIBCXX_DEBUG_MESSAGE_LENGTH

pip3 설치

$ sudo apt update
$ sudo apt install gfortran libopenblas-dev liblapack-dev libhdf5-dev
$ pip3 --version
pip 20.0.2 from /usr/local/lib/python3.7/site-packages/pip (python 3.7)

파이썬 라이브러리 설치

$ sudo pip3 install setuptools wheel
$ pip3 install numpy
$ sudo pip3 install h5py

swap 사이즈 설정

현재 swap 사이즈 확인

$ free -h
              total        used        free      shared  buff/cache   available
Mem:           495M         85M        337M        524K         72M        388M
Swap:          247M         96M        151M
$ sudo swapon -s
Filename                                Type            Size    Used    Priority
/dev/zram0                              partition       63376   24648   5
/dev/zram1                              partition       63376   24616   5
/dev/zram2                              partition       63376   24584   5
/dev/zram3                              partition       63376   24544   5
$ sudo swapoff /dev/zram0
$ sudo swapoff /dev/zram1
$ sudo swapoff /dev/zram2
$ sudo swapoff /dev/zram3
$ sudo zramctl --reset /dev/zram0
$ sudo zramctl --reset /dev/zram1
$ sudo zramctl --reset /dev/zram2
$ sudo zramctl --reset /dev/zram3
$ sudo zramctl --find --size 512M
/dev/zram0
$ sudo zramctl --find --size 512M
/dev/zram1
$ sudo zramctl --find --size 512M
/dev/zram2
$ sudo zramctl --find --size 512M
/dev/zram3
$ sudo mkswap /dev/zram0
Setting up swapspace version 1, size = 512 MiB (536866816 bytes)
no label, UUID=e6662e60-e230-4c77-8bf5-fad980fcc8d4
$ sudo mkswap /dev/zram1
Setting up swapspace version 1, size = 512 MiB (536866816 bytes)
no label, UUID=3047af26-0e95-4da6-99de-7f27b6bacc1f
$ sudo mkswap /dev/zram2
Setting up swapspace version 1, size = 512 MiB (536866816 bytes)
no label, UUID=0777059c-8ec4-4db5-833c-d4a12204f2a4
$ sudo mkswap /dev/zram3
Setting up swapspace version 1, size = 512 MiB (536866816 bytes)
no label, UUID=e29b5ab6-9b7c-4298-a252-5492183d3c05
$ sudo swapon /dev/zram0
$ sudo swapon /dev/zram1
$ sudo swapon /dev/zram2
$ sudo swapon /dev/zram3
$ free -h
              total        used        free      shared  buff/cache   available
Mem:           495M        129M        283M        6.5M         82M        338M
Swap:          2.0G          0B        2.0G
$ sudo swapon -s
Filename                                Type            Size    Used    Priority
/dev/zram0                              partition       524284  0       -1
/dev/zram1                              partition       524284  0       -2
/dev/zram2                              partition       524284  0       -3
/dev/zram3                              partition       524284  0       -4

TensorFlow 2.1.0 패키지 설치

TensorFlow 2.1.0 패키지 다운로드

$ wget http://1.229.109.140:3562/tensorflow/tensorflow-2.1.0/tensorflow-2.1.0-cp37-none-linux_armv7l.whl

tensorflow 2.1.0 파이썬 페키지 설치

$ export TMPDIR=/var/tmp
$ pip3 install tensorflow-2.1.0-cp37-none-linux_armv7l.whl
 
 ... 생략 ...
 
Successfully built wrapt gast grpcio absl-py scipy termcolor
Installing collected packages: google-pasta, tensorflow-estimator, protobuf, wrapt, absl-py, idna, urllib3, certifi, chardet, requests, markdown, werkzeug, cachetools, pyasn1, pyasn1-modules, rsa, google-auth, grpcio, oauthlib, requests-oauthlib, google-auth-oauthlib, tensorboard, gast, keras-applications, astor, scipy, opt-einsum, termcolor, keras-preprocessing, tensorflow
Successfully installed absl-py-0.9.0 astor-0.8.1 cachetools-4.1.0 certifi-2020.4.5.1 chardet-3.0.4 gast-0.2.2 google-auth-1.13.1 google-auth-oauthlib-0.4.1 google-pasta-0.2.0 grpcio-1.28.1 idna-2.9 keras-applications-1.0.8 keras-preprocessing-1.1.0 markdown-3.2.1 oauthlib-3.1.0 opt-einsum-3.2.0 protobuf-3.11.3 pyasn1-0.4.8 pyasn1-modules-0.2.8 requests-2.23.0 requests-oauthlib-1.3.0 rsa-4.0 scipy-1.4.1 tensorboard-2.1.1 tensorflow-2.1.0 tensorflow-estimator-2.1.0 termcolor-1.1.0 urllib3-1.25.8 werkzeug-1.0.1 wrapt-1.12.1

버전 확인

$ python3
Python 3.7.7 (default, Apr 10 2020, 05:33:30) 
[GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow as tf
>>> tf.__version__
'2.1.0'