On Jun 17, 2014, at 17:39 , Reuti <[email protected]> wrote:
> It was only a test whether by default call of the function will output the > short name or the FQDN. I still wonder, why this happens. glibc implements gethostname() via uname() (and strace shows two uname() calls in mpiexec.hydra), so this should return the short name always. > Can you output the name of the node the process thinks it's running on? Maybe > this will work, although I'm not sure whether it will output the FQDN at all: > > https://software.intel.com/sites/products/documentation/hpc/ics/impi/41/lin/Reference_Manual/Environment_Variables_Job_Startup_Command.htm > > $ mpiexec.hydra -env I_MPI_DEBUG 2,pid,host … Indeed: ... [7#7588@node14-02] DAPL startup(): trying to open DAPL provider from I_MPI_DAPL_PROVIDER: ofa-v2-ib0 … A. -- Ansgar Esztermann DV-Systemadministration Max-Planck-Institut für biophysikalische Chemie, Abteilung 105
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