On 13.11.2013 18:26, David Cournapeau wrote:
> 
> 
>     Can you narrow it down to a specific intrinsic? they can be enabled and
>     disabled in set ./numpy/core/setup_common.py
> 
> 
> valgrind shows quite a few invalid read in BOOL_ functions when running
> the scipy or sklearn test suite. BOOL_logical_or is the one that appears
> the most often. I don't have time to track this down now, but I think it
> would be good to have at least a system in place to disable the simd
> intrinsics when building numpy.

those are unrelated to the intrinsics, they should be fixed in master by
github.com/numpy/numpy/issues/3965
Can you try it?
Possibly there is something we should backport.
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