Re: [Numpy-discussion] numpy blas running slow: how to check that it is properly linked

2011-09-20 Thread David Cottrell
/opt/SUNWspro11/SUNWspro/prod/lib/v8plus/../cpu/sparcv9+vis2/libfsu_isa.so.1 /platform/SUNW,Sun-Fire-V490/lib/libc_psr.so.1 /platform/SUNW,Sun-Fire-V490/lib/libmd_psr.so.1 On Tue, Sep 20, 2011 at 1:18 PM, David Cournapeau wrote: > On Tue, Sep 20, 2011 at 9:56 AM, David Cottre

Re: [Numpy-discussion] numpy blas running slow: how to check that it is properly linked

2011-09-20 Thread David Cottrell
00) On Wed, Sep 7, 2011 at 9:08 AM, Samuel John wrote: > > On 06.09.2011, at 22:13, David Cottrell wrote: > >> Thanks, I didn't realize dot was not just calling dgemm or some >> variant which I assume would be reasonably fast. I see dgemm appears >> in the numpy code

Re: [Numpy-discussion] numpy blas running slow: how to check that it is properly linked

2011-09-06 Thread David Cottrell
Actually this link: http://www.scipy.org/PerformanceTips seems to indicate that numpy.dot does use blas ... Is there some way of running ldd on the install to see what libraries are being pulled in? On Tue, Sep 6, 2011 at 4:13 PM, David Cottrell wrote: > Thanks, I didn't realize dot

Re: [Numpy-discussion] numpy blas running slow: how to check that it is properly linked

2011-09-06 Thread David Cottrell
, David Cournapeau wrote: > On Tue, Sep 6, 2011 at 2:38 PM, David Cottrell > wrote: >> I posted on stackoverflow but then noticed this message board: >> >> http://stackoverflow.com/questions/7311869/python-numpy-on-solaris-blas-slow-or-not-linked >> >> I'm

[Numpy-discussion] numpy blas running slow: how to check that it is properly linked

2011-09-06 Thread David Cottrell
I posted on stackoverflow but then noticed this message board: http://stackoverflow.com/questions/7311869/python-numpy-on-solaris-blas-slow-or-not-linked I'm reposting the full post below: Matrix-Matrix multiplies are very slow on my Solaris install (running on a sparc server) compared to my OSX