[OMPI devel] fortran types alignment

2014-05-30 Thread Gilles Gouaillardet
Folks, i recently had to solve a tricky issue that involves alignment of fortran types. the attached program can be used and ran on two tasks in order to evidence the issue. if gfortran is used (to build both openmpi and the test case), then the test is successful if ifort (Intel compiler) is us

Re: [OMPI devel] regression with derived datatypes

2014-05-30 Thread Rolf vandeVaart
This fixed all of my issues. Thanks. I will add that comment to ticket also. >-Original Message- >From: devel [mailto:devel-boun...@open-mpi.org] On Behalf Of George >Bosilca >Sent: Thursday, May 29, 2014 5:58 PM >To: Open MPI Developers >Subject: Re: [OMPI devel] regression with derived

Re: [OMPI devel] regression with derived datatypes

2014-05-30 Thread Elena Elkina
Hi, It looks like this fix resolved our problems as well. Thanks, Elena On Fri, May 30, 2014 at 4:58 PM, Rolf vandeVaart wrote: > This fixed all of my issues. Thanks. I will add that comment to ticket > also. > > >-Original Message- > >From: devel [mailto:devel-boun...@open-mpi.org]

Re: [OMPI devel] fortran types alignment

2014-05-30 Thread George Bosilca
I think I like d the most but it is not a perfect solution. With d all real8 types in a common will be badly aligned and the Open MPI internal datatype will be incorrect. So I will vote for a combo: b + d. George. On Fri, May 30, 2014 at 4:57 AM, Gilles Gouaillardet wrote: > Folks, > > i rece

[OMPI devel] Open MPI 1.6.5 opal_paffinity_base_get_physical_socket_id

2014-05-30 Thread Lecrenski, Stephen K PW
I am running some performance tests (Open SpeedShop) with a program which uses Open MPI and Infiniband. I see a line of code which appears to be taking a considerable amount of cpu time in relation to other pieces of the code. opal_paffinity_base_get_physical_socket_id (libmpi.so.1.0.8: paffin