[MPICH] HI! let me ask you about threads

Rajeev Thakur thakur at mcs.anl.gov
Mon Sep 26 11:17:07 CDT 2005


You should use MPICH2 and select the appropriate thread level with
MPI_Init_thread.

Rajeev 

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of AO AA±O
> Sent: Sunday, September 25, 2005 6:30 PM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] HI! let me ask you about threads
> 
> Hi. let me ask you about threads with MPICH1
> 
> I wonder whether there's no problem to use only one thread with MPICH1
> 
> hm...I guess using only one thread with MPICH1 doesn't look safe.
> 
> I want to use only one main thread to listen to the client while the 
> application is running.
> 
> do you think I'd better not use thread with MPICH1?
> 
> the program I made worked well without thread but after I use single 
> thread, sometimes
> 
> it worked and sometimes not.
> 
> I think I sent this kind of mail before. at that time, you 
> were suggesting 
> me not to use MPICH
> 
> with thread. because MPICH1 is not thread safe.
> 
> so, let me make it sure. there's no problem to use single 
> thread with MPICH 
> or not?
> 
> that's all I wanna ask.
> 
> take care 
> 
> 
> -Dean
> 
> 
> 




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