Basics

[epixoip]

Code:

cudaHashcat-lite64.exe -n 800 --gpu-loops 1024 -1 ?l?d?s?u --outfile-watch 0 --restore-timer 0 --runtime 28 --pw-min 8 -m 0 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa ?1?1?1?1?1?1?1?1?1

you don't need to do all that. lite has a benchmark mode.

here's a benchmark on a single 7970 for comparison:

epixoip@butters:~/oclHashcat-lite-0.15$ ./oclHashcat-lite64.bin -d 1 -m 0 -b --benchmark-mode 1
oclHashcat-lite v0.15 by atom starting...

Password lengths: 1 - 54
Watchdog: Temperature abort trigger disabled
Watchdog: Temperature retain trigger disabled
Device #1: Tahiti, 2048MB, 1100Mhz, 32MCU
Device #2: skipped by user
Device #3: skipped by user

[s]tatus [p]ause [r]esume [q]uit =>
NOTE: Runtime limit reached, aborting...


Hash.Type....: MD5
Speed.GPU.#1.: 9757.1M/s


Started: Tue Jun 11 05:21:22 2013
Stopped: Tue Jun 11 05:21:48 2013