[mpich-discuss] MPICH2's predefined reduce operation can not support quadruple precision

Jilong Yin yinjilong at gmail.com
Wed May 12 03:10:56 CDT 2010


Sorry, I did not capture the stderr output, that is

make[3]: Entering directory
`/home/nakata093/mpich2-trunk-r6642/src/util/mem'
  CC              trmem.c
  CC              handlemem.c
  CC              safestr.c
  CC              argstr.c
  CC              strerror.c
strerror.c:13: error: conflicting types for ‘strerror_r’
/usr/include/string.h:69: error: previous declaration of ‘strerror_r’ was
here

strerror.c: In function ‘MPIU_Strerror’:
strerror.c:28: warning: assignment makes pointer from integer without a cast
make[3]: *** [strerror.o] Error 1
make[3]: Leaving directory `/home/nakata093/mpich2-trunk-r6642/src/util/mem'
make[2]: *** [all-redirect] Error 2
make[2]: Leaving directory `/home/nakata093/mpich2-trunk-r6642/src/util'
make[1]: *** [all-redirect] Error 2
make[1]: Leaving directory `/home/nakata093/mpich2-trunk-r6642/src'
make: *** [all-redirect] Error 2



2010/5/12 Jilong Yin <yinjilong at gmail.com>

> Sorry, I can not compile MPICH2 correctly
>
> (I haven't compile MPICH2 before by myself)
>
> My computer is Windows 7 (64bit) .
>
> I tried to compile under Cygwin. But when compiling it , I got errors as
> attached file.
>
> Though it is mostly my mistake, but maybe you can help me
>
> Thank you a lot.
>
>
> 2010/5/12 Pavan Balaji <balaji at mcs.anl.gov>
>
>
>> The ticket you point out in your test program (
>> https://trac.mcs.anl.gov/projects/mpich2/ticket/1028) has been fixed in
>> r6426 as mentioned on the ticket. Did you try the nightly snapshots (
>> http://www.mcs.anl.gov/research/projects/mpich2/downloads/tarballs/nightly/trunk)?
>> If not, can you try them out and see if you are still seeing this problem?
>>
>> Thanks,
>>
>>  -- Pavan
>>
>>
>> On 05/11/2010 08:24 PM, Jilong Yin wrote:
>>
>>>
>>>    Hello,
>>>
>>>
>>>      MPICH2's  predefined reduce operation  seems it can not support
>>>    quadruple precision.
>>>
>>>
>>>      I used the attached  program to test this. And got the following
>>>    error message,
>>>
>>> Fatal error in PMPI_Reduce: Invalid MPI_Op, error stack:
>>> PMPI_Reduce(1198).......: MPI_Reduce(sbuf=0012FF00, rbuf=0012FF10,
>>> count=1, dtyp
>>> e=0x4c00102b, MPI_SUM, root=0, MPI_COMM_WORLD) failed
>>> MPIR_SUM_check_dtype(97): MPI_Op MPI_SUM operation not defined for this
>>> datatype
>>>
>>>
>>>      If so, is there any plan to support this ?
>>>
>>>
>>>     Thank you.
>>>
>>>
>>>
>>>    YIN
>>>
>>>
>>> ------------------------------------------------------------------------
>>>
>>> _______________________________________________
>>> mpich-discuss mailing list
>>> mpich-discuss at mcs.anl.gov
>>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>>
>>
>> --
>> Pavan Balaji
>> http://www.mcs.anl.gov/~balaji <http://www.mcs.anl.gov/%7Ebalaji>
>> _______________________________________________
>> mpich-discuss mailing list
>> mpich-discuss at mcs.anl.gov
>> https://lists.mcs.anl.gov/mailman/listinfo/mpich-discuss
>>
>
>
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