BLAS/LAPACK未安装：如何安装？

Question

我试图运行的pip安装tsnepython2.7和我不断得到同样的错误。我按照http://bickson.blogspot.com/2011/02/installing-blaslapackitpp-on-amaon-ec2.html的说明安装了LAPACK/BLAS，我认为应该已经解决了这个问题。没有任何帮助。我做错了什么？我对bash不太熟悉。

running build_ext

cythoning tsne/bh_sne.pyx to tsne/bh_sne.cpp

building 'bh_sne' extension

creating build/temp.linux-x86_64-2.7

creating build/temp.linux-x86_64-2.7/tsne

creating build/temp.linux-x86_64-2.7/tsne/bh_sne_src

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/home/ubuntu/env/work/local/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -Itsne/bh_sne_src/ -I/usr/include/python2.7 -c tsne/bh_sne_src/quadtree.cpp -o build/temp.linux-x86_64-2.7/tsne/bh_sne_src/quadtree.o -msse2 -O3 -fPIC -w

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/home/ubuntu/env/work/local/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -Itsne/bh_sne_src/ -I/usr/include/python2.7 -c tsne/bh_sne_src/tsne.cpp -o build/temp.linux-x86_64-2.7/tsne/bh_sne_src/tsne.o -msse2 -O3 -fPIC -w

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

x86_64-linux-gnu-gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -fPIC -I/home/ubuntu/env/work/local/lib/python2.7/site-packages/numpy/core/include -I/usr/local/include -Itsne/bh_sne_src/ -I/usr/include/python2.7 -c tsne/bh_sne.cpp -o build/temp.linux-x86_64-2.7/tsne/bh_sne.o -msse2 -O3 -fPIC -w

cc1plus: warning: command line option ‘-Wstrict-prototypes’ is valid for C/ObjC but not for C++ [enabled by default]

c++ -pthread -shared -Wl,-O1 -Wl,-Bsymbolic-functions -Wl,-Bsymbolic-functions -Wl,-z,relro -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -D_FORTIFY_SOURCE=2 -g -fstack-protector --param=ssp-buffer-size=4 -Wformat -Werror=format-security build/temp.linux-x86_64-2.7/tsne/bh_sne_src/quadtree.o build/temp.linux-x86_64-2.7/tsne/bh_sne_src/tsne.o build/temp.linux-x86_64-2.7/tsne/bh_sne.o -L/usr/local/lib -o build/lib.linux-x86_64-2.7/bh_sne.so -lcblas

/usr/bin/ld: cannot find -lcblas

collect2: error: ld returned 1 exit status

error: command 'c++' failed with exit status 1

----------------------------------------
Cleaning up...
Command /home/ubuntu/env/work/bin/python -c "import setuptools, tokenize;__file__='/home/ubuntu/env/work/build/tsne/setup.py';exec(compile(getattr(tokenize, 'open', open)(__file__).read().replace('\r\n', '\n'), __file__, 'exec'))" install --record /tmp/pip-3X17dU-record/install-record.txt --single-version-externally-managed --compile --install-headers /home/ubuntu/env/work/include/site/python2.7 failed with error code 1 in /home/ubuntu/env/work/build/tsne
Traceback (most recent call last):
  File "/home/ubuntu/env/work/bin/pip", line 11, in 
    sys.exit(main())
  File "/home/ubuntu/env/work/local/lib/python2.7/site-packages/pip/__init__.py", line 185, in main
    return command.main(cmd_args)
  File "/home/ubuntu/env/work/local/lib/python2.7/site-packages/pip/basecommand.py", line 161, in main
    text = '\n'.join(complete_log)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xe2 in position 42: ordinal not in range(128)

Answer 1

下载OpenBLAS的副本并自己编译。使用makeinstall将其安装到/usr/local中。官方存储库中有OpenBLAS和ATLAS包以及其他任何东西，但它们的性能令人怀疑。

Answer 2

使用以下命令：

sudo apt-get install libblas-dev liblapack-dev

Answer 3

Ubuntu没有cblas或openblas的二进制分布，根据他们的github，这是tsne所必需的。然而，在Ubuntu上可用的ATLAS附带了预编译的cblas。

在Ubuntu、debian中，这应该与：

apt-get install libatlas-base-dev 

https://launchpad.net/ubuntu/资料来源/地图集

如果您需要不同的编译器选项，您必须自己构建openblas。

并检查你得到libcblas. a在 /usr/lib

已编辑：已更正的包名称。