should be possible by putting this into: ~/.numpy-site.cfg [openblas] libraries = openblasp
LD_PRELOAD the file should also work. On 29.10.2015 18:25, Daπid wrote: > I have installed all the OpenBLAS versions availables at the Fedora > repos, that include openMP and pthreads versions. But Numpy installed by > pip on a virtualenv seems to only link to the serial version. Is there a > way to convince it to use the parallel one? > > Here are my libraries: > > (py27)[david@SQUIDS lib64]$ ls libopenblas* > libopenblas64.a libopenblaso64.so.0 libopenblasp64.so.0 > libopenblas64-r0.2.14.so <http://libopenblas64-r0.2.14.so> > libopenblaso.a libopenblasp.a > libopenblas64.so libopenblaso-r0.2.14.so > <http://libopenblaso-r0.2.14.so> libopenblasp-r0.2.14.so > <http://libopenblasp-r0.2.14.so> > libopenblas64.so.0 libopenblaso.so libopenblasp.so > libopenblas.a libopenblaso.so.0 libopenblasp.so.0 > libopenblaso64.a libopenblasp64.a > libopenblas-r0.2.14.so <http://libopenblas-r0.2.14.so> > libopenblaso64-r0.2.14.so <http://libopenblaso64-r0.2.14.so> > libopenblasp64-r0.2.14.so <http://libopenblasp64-r0.2.14.so> libopenblas.so > libopenblaso64.so libopenblasp64.so libopenblas.so.0 > > And importing numpy shows that the serial is the only one open: > > (py27)[david@SQUIDS lib64]$ lsof libopenbl* > lsof: WARNING: can't stat() tracefs file system /sys/kernel/debug/tracing > Output information may be incomplete. > COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME > ipython 2355 david mem REG 8,2 32088056 2372346 > libopenblas-r0.2.14.so <http://libopenblas-r0.2.14.so> > > > This is the output of np.show_config(): > > lapack_opt_info: > libraries = ['openblas'] > library_dirs = ['/usr/lib64'] > define_macros = [('HAVE_CBLAS', None)] > language = c > blas_opt_info: > libraries = ['openblas'] > library_dirs = ['/usr/lib64'] > define_macros = [('HAVE_CBLAS', None)] > language = c > openblas_info: > libraries = ['openblas'] > library_dirs = ['/usr/lib64'] > define_macros = [('HAVE_CBLAS', None)] > language = c > openblas_lapack_info: > libraries = ['openblas'] > library_dirs = ['/usr/lib64'] > define_macros = [('HAVE_CBLAS', None)] > language = c > blas_mkl_info: > NOT AVAILABLE > > > Thanks, > > > /David. > > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@scipy.org > https://mail.scipy.org/mailman/listinfo/numpy-discussion > _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org https://mail.scipy.org/mailman/listinfo/numpy-discussion
