time find / -type f ( -name "*.tar" -o -name "*.tar.*" ) 2>/dev/null | wc

real    1m10.767s

real    0m9.847s

#!/bin/bash
if [[ $(id -u) -ne 0 ]] ; then echo "Please run as root" ; exit 1 ; fi
sync; echo 1 > /proc/sys/vm/drop_caches
sync; echo 2 > /proc/sys/vm/drop_caches
sync; echo 3 > /proc/sys/vm/drop_caches

@reboot /usr/sleep 30 && /usr/bin/find /* 2>/dev/null | wc -l