Charm++ parallel programming system

[Phil Miller <mille121 AT illinois.edu>]

2010/1/29 张凯 
<zhangk1985 AT gmail.com>:
> I am using charm-6.1.3.  Can that patch fix the problem on charm-6.1.3?
>
> When I patch it to ampi.C by using command "patch
> src/libs/ck-libs/ampi/ampi.C  AMPI_Cart_shift.patch", it reports :
>
> patching file src/libs/ck-libs/ampi/ampi.C
> Hunk #1 succeeded at 5158 (offset -185 lines).
> Hunk #2 FAILED at 5198.
> 1 out of 2 hunks FAILED -- saving rejects to file
> src/libs/ck-libs/ampi/ampi.C.rej
>
> AfterI tried to read the patch file and fix it by myself, i found that there
> maybe a lot difference between the released version and development version
> of charm source code.
>
> Could you help me build an patch for charm-6.1.3? Or tell me where can i
> find stable developemnt version which I can patch it by myself?

I'll send you the patch against 6.1.3 shortly, when I'm in the office.

Phil


>
> Zhang Kai
>
> 2010/1/29 Phil Miller 
> <mille121 AT illinois.edu>
>>
>> The bug has been fixed in the development version of charm. If you use
>> a pre-built development binary, the fix will be in tonight's autobuild
>> for whatever platform you use. If you're building it from development
>> source yourself, the patch is attached. If you are using the released
>> Charm 6.1.x, we can port that fix over for you if you're not
>> comfortable doing so yourself.
>>
>> Phil
>>
>> 2010/1/28 张凯 
>> <zhangk1985 AT gmail.com>:
>> >
>> > i think u got the problem i suffered.
>> >
>> > thanks for your reply.
>> >
>> > best regards.
>> >
>> > Zhang Kai
>> >
>> > 2010/1/29 Phil Miller 
>> > <mille121 AT illinois.edu>
>> >>
>> >> On Thu, Jan 28, 2010 at 07:50, 张凯 
>> >> <zhangk1985 AT gmail.com>
>> >>  wrote:
>> >> > hi:
>> >> >
>> >> > I am a beginner of AMPI and trying to run a MPI program using it. But
>> >> > i
>> >> > found a little problem.
>> >> >
>> >> > Here(
>> >> >
>> >> >
>> >> > http://www.mcs.anl.gov/research/projects/mpi/usingmpi/examples/advmsg/nbodypipe_c.htm)
>> >> > you can find an example of a MPI program. I have successfully built
>> >> > and
>> >> > run it using both MPICH and intel MPI.
>> >> >
>> >> > However, when i running it with AMPI, i found that the program was
>> >> > blocked
>> >> > by MPI_Waitall function and never return again.
>> >> >
>> >> > I just run it with ++local +p2 +vp2 options. Did i miss other
>> >> > options?
>> >> > or
>> >> > misconfig AMPI?
>> >>
>> >> I'm seeing the same effect as you describe on a net-linux-x86_64 build
>> >> of AMPI from the latest charm sources. We'll look into this and get
>> >> back to you.
>> >>
>> >> For reference, the attached code (with added prints) produces the
>> >> following:
>> >>
>> >> $ ./charmrun nbp +vp 4 20 +p4
>> >> Charm++: scheduler running in netpoll mode.
>> >> Charm++> cpu topology info is being gathered.
>> >> Charm++> Running on 1 unique compute nodes (8-way SMP).
>> >> Iteration 9
>> >> Iteration 9:0 a
>> >> Iteration 9
>> >> Iteration 9:0 a
>> >> Iteration 9
>> >> Iteration 9:0 a
>> >> Iteration 9
>> >> Iteration 9:0 a
>> >> Iteration 9:0 b
>> >> Iteration 9:0 b
>> >> Iteration 9:0 b
>> >> Iteration 9:0 b
>> >
>> >
>
>