Re: [OMPI users] curious behavior during wait for broadcast: 100% cpu

[Hicham Mouline]

> -----Original Message-----
> From: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On
> Behalf Of Eugene Loh
> Sent: 08 December 2010 16:19
> To: Open MPI Users
> Subject: Re: [OMPI users] curious behavior during wait for broadcast:
> 100% cpu
> 
> I wouldn't mind some clarification here.  Would CPU usage really
> decrease, or would other processes simply have an easier time getting
> cycles?  My impression of yield was that if there were no one to yield
> to, the "yielding" process would still go hard.  Conversely, turning on
> "yield" would still show 100% cpu, but it would be easier for other
> processes to get time.
> 
Any clarifications?