[Numpy-discussion] Different results from repeated calculation

Charles R Harris charlesr.harris@gmail....
Thu Feb 1 22:56:30 CST 2007


On 2/1/07, Keith Goodman <kwgoodman@gmail.com> wrote:
>
> On 2/1/07, Charles R Harris <charlesr.harris@gmail.com> 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.

Chuck
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