[mpich-discuss] Re: [MPICH] Loopback Communication

[William Gropp]

We need to make this failure happen during the nemesis configure step  
so that a clear error message can be generated.

Bill

On Mar 4, 2008, at 12:35 PM, Elvedin Trnjanin wrote:

> gcc -DHAVE_CONFIG_H -I.
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/channels/nemesis/nemesis/src -I.
> -I../include
> -I/root/mpich2-1.0.6p1/src/ch3/channels/nemesis/nemesis/include
> -I/root/mpich2-1.0.6p1/src/include -I/root/mpich2-1.0.6p1/src/ 
> include -I/root/mpich2-1.0.6p1/src/mpid/ch3/include
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/include
> -I/root/mpich2-1.0.6p1/src/mpid/common/datatype
> -I/root/mpich2-1.0.6p1/src/mpid/common/datatype
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/channels/nemesis/include
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/channels/nemesis/include
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/channels/nemesis/nemesis/include
> -I/root/mpich2-1.0.6p1/src/mpid/ch3/channels/nemesis/nemesis/utils/ 
> monitor
> -c mpid_nem_alloc.c
> In file included from ../include/mpid_nem_impl.h:13,
>                 from mpid_nem_alloc.c:7:
> ../include/mpid_nem_atomics.h:31:2: error: #error No swap function
> defined for this architecture
> ../include/mpid_nem_atomics.h:58:2: error: #error No compare-and-swap
> function defined for this architecture
> ../include/mpid_nem_atomics.h:100:2: error: #error No compare-and-swap
> function defined for this architecture
> ../include/mpid_nem_atomics.h:155:2: error: #error No fetch-and-add
> function defined for this architecture
> ../include/mpid_nem_atomics.h:215:2: error: #error No fetch-and-add
> function defined for this architecture
> ../include/mpid_nem_atomics.h:246:2: error: #error No fetch-and-add
> function defined for this architecture
> make[7]: *** [mpid_nem_alloc.o] Error 1
>
>
> Should I assume that Nemesis doesn't support the IBM (Cell BE)  
> QS21? Would ch3:ssm be my next best choice?
>
>
> Anthony Chan wrote:
>> 1.0.2 is old.  Download the latest mpich2 and build it with
>> --with-device=ch3:nemesis and you should see improvement in
>> your test.
>>
>> A.Chan
>>
>> On Wed, 27 Feb 2008, Elvedin Trnjanin wrote:
>>
>>
>>> Version:           1.0.2
>>> Device:            ch3:sock
>>> Configure Options:
>>>
>>> I didn't install it and those are the only relevant bits about the
>>> configuration I could find.
>>>
>>> Anthony Chan wrote:
>>>
>>>> Did you configure mpich2 --with-device=ch3:nemesis which uses  
>>>> shared
>>>> memory for intranode communication ?
>>>>
>>>> A.Chan
>>>>
>>>>
>>>>
>>>>
>>>>
>

William Gropp
Paul and Cynthia Saylor Professor of Computer Science
University of Illinois Urbana-Champaign



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