Aurélien Bouteiller <boute...@icl.utk.edu> writes: > Open MPI uses clock_gettime when it is available, and defaults to > gettimeofday only when this better option can't be found. Check that > your system has clock_gettime and the resolution of this timer.
That's what I thought after I raised this originally, but where (assuming I'm not using these components)? openmpi-1.10.2]$ grep -r -l clock_gettime | egrep -v /libevent\|/vt/ ompi/mca/common/cuda/common_cuda.c ompi/mca/btl/scif/btl_scif_get.c ompi/mca/btl/scif/btl_scif_send.c ompi/mca/btl/scif/btl_scif_put.c ompi/mca/btl/scif/btl_scif.h This is on RHEL6, but I doubt there's a current distribution without clock_gettime.
