[SciPy-Dev] test output 0.7.2rc1

David Cournapeau david@silveregg.co...
Thu Apr 1 21:06:35 CDT 2010

Ralf Gommers wrote:
> Hi all,
> Here is the test output of the scipy 0.7.2rc1 for OS X. All tests pass with
> numpy 1.3.0, two (harmless) failures with numpy 1.4.x branch. Outputs pasted
> below. The questions I have are:
> 1. during compilation, is it normal for sparsetools to take forever and use
> all available cpu cycles? 

That's as normal as c++ can be :) Sparsetools relies on SWIG + 
templates, which are both performance killer as far as compilation is 
concerned. Sparsetools currently accounts for ~ 50 % of the whole scipy 
build time.

> 2. why am I warned about using fblas instead of cblas?

I don't know, those have always confused me. AFAICS, those are reliques 
from old scipy code, I don't think they matter (I think we should remove 

> 3. There seems to be a problem with the N_GSYM symbol, any idea what that
> complaint is about (see partial build log at the bottom of this mail)?

This one is new to me, I have never seen it before. Looks like a problem 
with gfortran on mac os x. We should first see if the issue stays with 
the following issue:

> Built with
> $ export CC=/usr/bin/gcc-4.0
> $ export CXX=/usr/bin/c++-4.0

I think whatever issue happens with the actual gcc version should be 
fixed - we should not rely on gcc 4.0 on Snow Leopard, and this is not 
needed (the -mlong-branch warning is linked to this).



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