[SciPy-User] understanding machine precision

David david@silveregg.co...
Wed Dec 15 21:25:43 CST 2010


On 12/16/2010 03:22 AM, Francesc Alted wrote:

>
> And, curiously enough, that pattern is always the same for every run.
> So, at least, the issue is more deterministic that we initially thought.

The first thing that would come to my mind is FPU state changes. I don't 
have time to investigate the issue ATM, but that should be relatively 
straightforward to check (dumping the FPU state at each run, through 
ctypes if necessary),

cheers,

David


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