[Numpy-discussion] new memcpy implementation exposes bugs in some software.

David david@silveregg.co...
Thu Nov 11 02:27:56 CST 2010


On 11/11/2010 10:54 AM, Charles R Harris wrote:
> Hi All,
>
> Apparently the 64 bit version of memcpy in the Fedora 14 glibc will do
> the copy in the downwards rather than the usual upwards direction on
> some processors. This has exposed bugs where the the source and
> destination overlap in memory. Report and discussion can be found at
> fedora bugzilla <https://bugzilla.redhat.com/show_bug.cgi?id=638477>. I
> don't know that numpy has any problems of this sort but it is worth
> keeping in mind.

It would be kind of cool to get a bug report from Linus, though :)

David


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