is_commsize_pow2 70 ompi/mca/coll/libnbc/nbc_iallgather.c int is_commsize_pow2 = !(p & (p - 1)); is_commsize_pow2 78 ompi/mca/coll/libnbc/nbc_iallgather.c } else if (libnbc_iallgather_algorithm == 2 && is_commsize_pow2) {