[mvapich-discuss] mvapich2-0.9.8 blacs problems

Bas van der Vlies basv at sara.nl
Fri Mar 9 08:43:21 EST 2007


Dhabaleswar Panda wrote:
> Hi, 
> 
>>>>>  SARA is testing the openib stack with mvapich2.
>>>>>
>>>>>  We have problems with installing the blacs library 
>>>>> (www.netlib.org/blacs) it compiles and links correct, some tests namely:
>>>>>   * The BSBR test with double precision fails with certain topologies.
>>>>>
>>>>>  We tried the GNU compilers (gcc, g77) and the INTEL compilers (icc, 
>>>>> ifort).
>>>>>
>>>>> Please help?
>>>>>
>>>>> PS)
>>>>> On our topspin/cisco infiniband stack with their mpi implementation 
>>>>> there are no problems.
>>>>>
>>>> Just an update i tried mvapich-0.9.9-beta with openib and blacs. and 
>>>> this runs without any problems.
>>>>
>>>>
>>> We also tried the MPICH2 version 1.0.5p3 without any problems.  I will 
>>> now test the mvapich2 trunk version and i will let you know.
>>>
>>> Regards
>>>
>> Just tested the MVAPICH2 trunk version and this fails also at the double 
>> precision tests. I am clueless at this point. Are there sites using 
>> blacs/scalapack with mvapich2?
> 
> Thanks for reporting these issues. Since yesterday, we have been
> looking at this issue. We hope to keep you updated on our findings and
> fixes as soon as possible.
> 
> Best Regards, 
> 

Thanks we also trying to find it. But first i have to roll back to 
mvapich1 to solve the problem



-- 
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*                                                                  *
*  Bas van der Vlies                     e-mail: basv at sara.nl      *
*  SARA - Academic Computing Services    phone:  +31 20 592 8012   *
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*  1098 SJ Amsterdam                                               *
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