[OMPI devel] Defect from ticket #3079 still present in 1.6.1rc1

2012-07-30 Thread Iliev, Hristo
e pairwise algorithm the default, shouldn't this defect have been fixed by now? Kind regards, Hristo Iliev -- Hristo Iliev, Ph.D. -- High Performance Computing RWTH Aachen University, Center for Computing and Communication Rechen- und Kommunikationszentrum der RWTH Aachen Seffenter

[OMPI devel] Broken password recovery functionality of the Trac system

2012-08-02 Thread Iliev, Hristo
Hello, The password recovery functionality of the Trac system at svn.open-mpi.org appears to be broken. After providing the required user name and e-mail address, one is presented with the following "Oops": Trac detected an internal error: UnboundLocalError: local variable 'u_id' referen

Re: [OMPI devel] MPI_Reduce() is losing precision

2012-10-15 Thread Iliev, Hristo
Hi Santhosh, Numeric differences are to be expected with parallel applications. The basic reason for that is that on many architectures floating-point operations are performed using higher internal precision than that of the arguments and only the final result is rounded back to the lower output

Re: [OMPI devel] FOSS for scientists devroom at FOSDEM 2013

2012-11-21 Thread Iliev, Hristo
I might attend out of curiosity - Brussels is just an hour and so from here. Kind regards, Hristo -- Hristo Iliev, Ph.D. -- High Performance Computing RWTH Aachen University, Center for Computing and Communication Rechen- und Kommunikationszentrum der RWTH Aachen Seffenter Weg 23, D 52074 Aachen

[OMPI devel] KNEM + user-space hybrid for sm BTL

2013-07-18 Thread Iliev, Hristo
Hello, Could someone, who is more familiar with the architecture of the sm BTL, comment on the technical feasibility of the following: is it possible to easily extend the BTL (i.e. without having to rewrite it completely from scratch) so as to be able to perform transfers using both KNEM (or oth

[OMPI devel] Possible bug: rdma OSC does not progress RMA operations

2013-09-12 Thread Iliev, Hristo
Hi, It looks like the rmda OSC component does not progress passive RMA operations at the target during calls to MPI_WIN_(UN)LOCK. As a sample case take a master-worker program where each worker writes to an entry in an array exposed in the master's window: MPI_Comm_size(MPI_COMM_WORLD, &size)