Open MPI logo

Open MPI User's Mailing List Archives

  |   Home   |   Support   |   FAQ   |   all Open MPI User's mailing list

Subject: Re: [OMPI users] open-mpi behaviour on Fedora, Ubuntu, Debian and CentOS
From: Asad Ali (asad06_at_[hidden])
Date: 2010-04-25 22:33:59

Hi Jodi,

> I once got different results when running on a 64-Bit platform instead of
> a 32 bit platform - if i remember correctly, the reason was that on the
> 32-bit platform 80bit extended precision floats were used but on the 64bit

> platform only 64bit floats.

Could you please give me an idea as how to check this extended precision.
Also I don't use float rather I use only double or long double.



"Statistical thinking will one day be as necessary for efficient citizenship
as the ability to read and write." - H.G. Wells