Hi Yiannis,
On Fri, Dec 9, 2011 at 10:21 AM, Yiannis Papadopoulos
wrote:
> Patrik Jonsson wrote:
>>
>> Hi all,
>>
>> I'm seeing performance issues I don't understand in my multithreaded
>> MPI code, and I was hoping someone could shed some light on this.
>>
>> The code structure is as follows: A
Patrik Jonsson wrote:
Hi all,
I'm seeing performance issues I don't understand in my multithreaded
MPI code, and I was hoping someone could shed some light on this.
The code structure is as follows: A computational domain is decomposed
into MPI tasks. Each MPI task has a "master thread" that re
Replying to my own post, I'd like to add some info:
After making the master thread put more of a premium on receiving the
missing messages, the problem went away. Both tasks now appear to keep
up on the messages sent from the other. However, after about a minute
and ~1.5e6 messages exchanged, both