[MPICH] clog2 problem when using MPI_Init_thread (fwd)

[Jayesh Krishna]

 Hi,
  MPE is not currently thread safe for windows.

Regards,
Jayesh
---------- Forwarded message ----------
Date: Wed, 28 Nov 2007 13:17:45 +0100
From: Christoph Lupprich <clupprich at gmail.com>
To: Anthony Chan <chan at mcs.anl.gov>
Subject: Re: [MPICH] clog2 problem when using MPI_Init_thread

Unfortunately I couldn't find any hint if MPE is threadsafe for Windows. Can
anybody help?

Kind regards,
Christoph

On Nov 25, 2007 3:22 PM, Christoph Lupprich <clupprich at gmail.com> wrote:
> Thanks for the info so far. I'll check the source to see if I can 
> figure it out on my own.
>
> Christoph
>
>
> On Nov 23, 2007 5:45 PM, Anthony Chan <chan at mcs.anl.gov> wrote:
>>
>>
>>
>> On Fri, 23 Nov 2007, Christoph Lupprich wrote:
>>
>>> On Nov 23, 2007 3:29 PM, Anthony Chan <chan at mcs.anl.gov> wrote:
>>>>
>>>>
>>>> On Fri, 23 Nov 2007, Christoph Lupprich wrote:
>>>>
>>>>> Hi there,
>>>>>
>>>>> I'm currently developing an MPI application, which runs quite fine.
>>>>>
>>>>> Problems is that for performance analysis I want to create clog2 logs.
>>>>> My application is multi-threaded and the logging mechanism crashes 
>>>>> when I use MPI_Init_thread (which I need because that's what tells 
>>>>> the logging component to split a process into multiple threads for 
>>>>> displaying).
>>>>
>>>> MPE logging does support multi-threaded application in the recent
release.
>>>> What version of MPE2 you are using ?  Did you use user-defined 
>>>> logging in your code ?
>>>>
>>>> A.Chan
>>>
>>> I'm using the binary packages 1.0.6 on WinXP. Should I build my own 
>>> version? No, I don't use any user-defined logging.
>>>
>>
>> MPE logging has pthread support, so it works on most unixes.
>> Don't know if the MPE2 in the windows version of MPICH2 has thread 
>> support enabled.  I think our windows expert can answer your question
better.
>>
>> A.Chan
>>
>