I've been using this command, but is it inefficient? This wiki article is the reason I'm asking... Do I need to use mp64 to optimize my attack?
oclHashcat-plus64.exe -a 3 -o C:\gpu-len7.log C:\md5.tab -1 ?l?u?d ?1?1?1?1?1?1?1
oclHashcat-plus64.exe -a 3 -o C:\gpu-len7.log C:\md5.tab -1 ?l?u?d ?1?1?1?1?1?1?1