_ffs 1434 opal/mca/hwloc/hwloc201/hwloc/hwloc/bitmap.c int _ffs = hwloc_ffsl(w); _ffs 1435 opal/mca/hwloc/hwloc201/hwloc/hwloc/bitmap.c set->ulongs[i] = HWLOC_SUBBITMAP_CPU(_ffs-1);