[mvapich-discuss] Question about gfortran and mvapich1 and 2

[Bas van der Vlies]

Shaun Rowland wrote:
> Bas van der Vlies wrote:
>> Our environment is : Debian Etch
>> g77       : 3.4.6
>> gfortran  : 4.1.2
>> gcc       : 4.1.2
>>
>> When we compile blacs with mvapich1 (0.9.8) and mvapich2 (0.9.8) with
>> F77=g77 and F90=gfortran we can compile the blacs library and run the 
>> test program.
>>
>> But when we use gfortran for F77 and F90 we can compile the blacs 
>> library but the test program fails to run.
>>
>> Does anybody have a clue?
> 
> Hi. I've been looking into this as well. I think the issue might simply
> be with the default output bufferring in gfortran. I'd also like to know
> what you are observing, but maybe you can simply try:
> 
> export GFORTRAN_UNBUFFERED_ALL=y
> 
> and then trying the tests? When building blacs, I also set the following
> in my Bmake.inc file:
> 
> INTFACE = -DAdd_
> TRANSCOMM = -DCSameF77
> 
> This was specifically for the case where I built MVAPICH2 0.9.8 with
> F77=gfortran and F90=gfortran.
> 
> Does any of this help solve the problem you are having?

Shaun and Amit when i set this runtime enviroment variable everything 
work thanks.

Amit i use the same settins as Shaun for my Bmake.inc.

Thanks a a lot
-- 
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*  Bas van der Vlies                     e-mail: basv at sara.nl      *
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