brute-forcing not working with me

[th3l0b3]

I have a GeForce GTX 670 that i got for cudaHashcat. It has over 1000 CUDA cores so i figured it would boost the speed of generating and throwing passwords at WPA fairly quckly. I am only getting about 15k words per second though.

Status.......: Running
Input.Mode...: Mask (?1?1?1?1?1?1?1?1?1?1?1?1?1?1?1)
Hash.Target..: XXXXXXXXX (XX:XX:XX:XX:XX:XX <-> XX:XX:XX:XX:XX:XX)
Hash.Type....: WPA/WPA2
Time.Running.: 5 secs
Time.Left....: > 10 Years
Time.Util....: 5794.3ms/1.9ms Real/CPU, 0.0% idle
Speed........: 15463 c/s Real, 15720 c/s GPU
Recovered....: 0/1 Digests, 0/1 Salts
Progress.....: 89600/4177248169415651 (0.00%)
Rejected.....: 0/89600 (0.00%)
HW.Monitor.#1: 98% GPU, 71c Temp