Magggg problem

[Magggg]

Hi to all!
can any help me..
speed of brute is low after 20h, and after paused it's resumed..

c:\!rules>oclHashcat.exe md5#15-45_07.20.10.txt -o md5#15-45_07.20.10.txt.out --remove --gpu-loops 1024 -1 ?l?d?u?s ?1?1?1?1 ?1?1?1
oclHashcat v0.22 starting...

Digests: 99286 entries, 99286 unique
Platforms: 1
Platform #1: NVIDIA Corporation, OpenCL 1.0 CUDA 3.1.1 (1 matched)
Device #1: GeForce GTX 260, 895MB, 1348Mhz, 27MCU
Device #1: Kernel kernels/oclHashcat_m0000_4_4318.kernel (58969 bytes)
[s]tatus [p]ause [r]esume [h]elp [q]uit =>

Threads...: 1
Mode.Left.: Mask '?1?1?1?1' (81450625)
Mode.Right: Mask '?1?1?1' (857375)
Speed.GPU1: 510.4M/s (running)
Speed.GPU*: 510.4M/s
Recovered.: 19/99286 Digests, 0/1 Salts
Progress..: 24060634675200/69833729609375 (34.45%)
Running...: 13 hours, 7 mins
Estimated.: 1 day, 0 hours
[s]tatus [p]ause [r]esume [h]elp [q]uit =>
Threads...: 1
Mode.Left.: Mask '?1?1?1?1' (81450625)
Mode.Right: Mask '?1?1?1' (857375)
Speed.GPU1: 18.4E/s (running)
Speed.GPU*: 18446744064260686616/s
Recovered.: 22/99286 Digests, 0/1 Salts
Progress..: 37431177725952/69833729609375 (53.60%)
Running...: 20 hours, 25 mins
Estimated.: 0 secs
[s]tatus [p]ause [r]esume [h]elp [q]uit =>
Threads...: 1
Mode.Left.: Mask '?1?1?1?1' (81450625)
Mode.Right: Mask '?1?1?1' (857375)
Speed.GPU1: 249.0M/s (paused)
Speed.GPU*: 249.0M/s
Recovered.: 22/99286 Digests, 0/1 Salts
Progress..: 37458669957120/69833729609375 (53.64%)
Running...: 20 hours, 27 mins
Estimated.: 1 day, 12 hours
[s]tatus [p]ause [r]esume [h]elp [q]uit =>