Hi,
Maybe you can leverage some of the techniques outlined in:
Robert W. Robey, Jonathan M. Robey, and Rob Aulwes. 2011. In search of
numerical consistency in parallel programming. Parallel Comput. 37, 4-5 (April
2011), 217-229. DOI=10.1016/j.parco.2011.02.009
http://dx.doi.org/10.1016/j.parco
Am 20.09.2011 um 13:52 schrieb Tim Prince:
> On 9/20/2011 7:25 AM, Reuti wrote:
>> Hi,
>>
>> Am 20.09.2011 um 00:41 schrieb Blosch, Edwin L:
>>
>>> I am observing differences in floating-point results from an application
>>> program that appear to be related to whether I link with OpenMPI 1.4.3
On Sep 20, 2011, at 7:52 AM, Tim Prince wrote:
> Quoted comment from OP seem to show a somewhat different question: Does
> OpenMPI implement any operations in a different way from MVAPICH? I would
> think it probable that the answer could be affirmative for operations such as
> allreduce, but
On 9/20/2011 7:25 AM, Reuti wrote:
Hi,
Am 20.09.2011 um 00:41 schrieb Blosch, Edwin L:
I am observing differences in floating-point results from an application
program that appear to be related to whether I link with OpenMPI 1.4.3 or
MVAPICH 1.2.0. Both packages were built with the same ins
Hi,
Am 20.09.2011 um 00:41 schrieb Blosch, Edwin L:
> I am observing differences in floating-point results from an application
> program that appear to be related to whether I link with OpenMPI 1.4.3 or
> MVAPICH 1.2.0. Both packages were built with the same installation of Intel
> 11.1, as w
I am observing differences in floating-point results from an application
program that appear to be related to whether I link with OpenMPI 1.4.3 or
MVAPICH 1.2.0. Both packages were built with the same installation of Intel
11.1, as well as the application program; identical flags passed to the
