[Numpy-discussion] Different results from repeated calculation
Fri Feb 2 08:14:02 CST 2007
I am curious why I do not see any mention of the compilers and
versions that were used in this thread. Having just finally managed to
get SciPY installed from scratch (but not with atlas), I could see
that using different compliers or versions or options especially
compiling done at different times could be a factor.
On 2/1/07, Charles R Harris <firstname.lastname@example.org> wrote:
> On 2/1/07, Keith Goodman <email@example.com> wrote:
> > On 2/1/07, Charles R Harris <firstname.lastname@example.org> wrote:
> > > This problem may be related to this bug:
> > > http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=279294
> > It says it is fixed in libc6 2.3.5. I'm on 2.3.6. But do you think it
> > is something similar?
> I do, I am suspicious that the roundoff mode flag is changing state. But
> these sort of bugs are notoriously hard to track down. You did good
> isolating it to atlas and sse.
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