brute force 3 digit very slow

[ewwink]

OK, here detailed report

hardware: AMD Radeon HD 7750
os: wins 7
soft: oclHaschCat 1.21
hash: 13675 hash - sha1($pass.$salt)

3 digit = 3 minutes - 7 H/s
4 digit = 7 secons - 1294 H/s
5 digit = 12 seconds - 400 H/hs
6 digit = 50 sec -23478 H/s

this is apply to IPB and VBulletin hash.