Re: [OMPI users] revisiting topic: prebuilt on windows7 not xp

Hi, On 2011-10-16 10:25 PM, MM wrote: in http://www.open-mpi.org/community/lists/users/2011/07/16854.php, Shiqing says it is impossible to use the prebuilt binaries with Windows xp, however I manage to use them in Release mode with vc2010, but not in debug mode. Can this be some

Re: [OMPI users] Memory mapped memory

Sure, this is possible and generally works, although it is not defined by the MPI standard. Regular shared memory rules apply: you may have to add additional memory consistency and/or synchronization calls depending on your platform to ensure that MPI sees intended data updates. Best, ~Jim. On

Re: [OMPI users] Memory mapped memory

If the mmap() pages are created with MAP_SHARED, then they should be sharable with other processes in the same node, isn't it? MPI processes are just like any other process, aren't they? Will one of the MPI Gurus please comment? Regards Durga On Mon, Oct 17, 2011 at 9:45 AM, Gabriele Fatigati

Re: [OMPI users] Memory mapped memory

More in detail, is it possible use mmap() function from MPI process and sharing these memory between others processes? 2011/10/13 Gabriele Fatigati > Dear OpenMPI users and developers, > > is there some limitation or issues to use memory mapped memory into MPI >

Re: [OMPI users] [OMPI docs] Open MPI compilation Error

Indeed. However, let me provide this advice. Add --disable-vt to your configure line, and drop all the rest of those flags. You don't need what you gave as we'll automatically figure those out. VampirTrace isn't happy on Mac, so disable it and you should be fine. On Oct 17, 2011, at 7:29 AM,