"It does not handle more recent improvements such as Intel's turbo mode and the processor performance inhomogeneity that comes with it." I guess it is easy enough to disable Turbo mode in the BIOS though.
On 20 March 2018 at 17:48, Kaiming Ouyang <kouya...@ucr.edu> wrote: > I think the problem it has is it only deal with the old framework because > it will intercept MPI calls and do some profiling. Here is the library: > https://github.com/LLNL/Adagio > > I checked the openmpi changelog. From openmpi 1.3, it began to switch to a > new framework, and openmpi 1.4+ has different one too. This library only > works under openmpi 1.2. > Thank you for your advise, I will try it. My current problem is this > library seems to try to patch mpi.h file, but it fails during the patching > process for new version openmpi. I don't know the reason yet, and will > check it soon. Thank you. > > Kaiming Ouyang, Research Assistant. > Department of Computer Science and Engineering > University of California, Riverside > 900 University Avenue, Riverside, CA 92521 > > > On Tue, Mar 20, 2018 at 4:35 AM, Jeff Squyres (jsquyres) < > jsquy...@cisco.com> wrote: > >> On Mar 19, 2018, at 11:32 PM, Kaiming Ouyang <kouya...@ucr.edu> wrote: >> > >> > Thank you. >> > I am using newest version HPL. >> > I forgot to say I can run HPL with openmpi-3.0 under infiniband. The >> reason I want to use old version is I need to compile a library that only >> supports old version openmpi, so I am trying to do this tricky job. >> >> Gotcha. >> >> Is there something in particular about the old library that requires Open >> MPI v1.2.x? >> >> More specifically: is there a particular error you get when you try to >> use Open MPI v3.0.0 with that library? >> >> I ask because if the app supports the MPI API in Open MPI v1.2.9, then it >> also supports the MPI API in Open MPI v3.0.0. We *have* changed lots of >> other things under the covers in that time, such as: >> >> - how those MPI API's are implemented >> - mpirun (and friends) command line parameters >> - MCA parameters >> - compilation flags >> >> But many of those things might actually be mostly -- if not entirely -- >> hidden from a library that uses MPI. >> >> My point: it may be easier to get your library to use a newer version of >> Open MPI than you think. For example, if the library has some hard-coded >> flags in their configure/Makefile to build with Open MPI, just replace >> those flags with `mpicc --showme:BLAH` variants (see `mpicc --showme:help` >> for a full listing). This will have Open MPI tell you exactly what flags >> it needs to compile, link, etc. >> >> -- >> Jeff Squyres >> jsquy...@cisco.com >> >> _______________________________________________ >> users mailing list >> users@lists.open-mpi.org >> https://lists.open-mpi.org/mailman/listinfo/users >> > > > _______________________________________________ > users mailing list > users@lists.open-mpi.org > https://lists.open-mpi.org/mailman/listinfo/users >
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