v1.31 and v1.30 are both much slower than v1.21

My os is windows server 2008 r2， driver is 14.9，gpu are 290 or 290x , I found that v1.31 and v1.30 are both much slower than v1.21. The same happens on driver 14.4.

Command:
oclHashcat64.exe t:\mtask\1015.notfound --force --gpu-loops 1024 --potfile-disable --status --status-timer 300 --remove --remove-timer=3600 -n 200 --session=session5100_1_0 -m 0 -o t:\task\md5-0.out ?1?1?1?1?1?1?1?1 -a 3 -1 ?l?d


v1.29

Quote:Session.Name...: session5100_1_0
Status.........: Exhausted
Input.Mode.....: Mask (?1?1?1?1?1?1?1?1) [8]
Hash.Target....: File (t:\mtask\1015.notfound)
Hash.Type......: MD5
Time.Started...: Thu Oct 16 07:53:47 2014 (3 mins, 55 secs)
Time.Estimated.: 0 secs
Speed.GPU.#1...: 66468.5 kH/s
Speed.GPU.#2...: 5829.7 MH/s
Speed.GPU.#*...: 5896.2 MH/s
Recovered......: 0/237796 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.......: 2821109907456/2821109907456 (100.00%)
Skipped........: 0/2821109907456 (0.00%)
Rejected.......: 0/2821109907456 (0.00%)
HWMon.GPU.#1...: 0% Util, 72c Temp, 92% Fan
HWMon.GPU.#2...: 14% Util, 71c Temp, 92% Fan

Started: Thu Oct 16 07:53:47 2014
Stopped: Thu Oct 16 07:57:47 2014

v1.30

Quote:Session.Name...: session5100_1_0
Status.........: Running
Input.Mode.....: Mask (?1?1?1?1?1?1?1?1) [8]
Hash.Target....: File (t:\mtask\1015.notfound)
Hash.Type......: MD5
Time.Started...: Thu Oct 16 07:59:23 2014 (2 mins, 33 secs)
Time.Estimated.: Thu Oct 16 08:09:51 2014 (7 mins, 48 secs)
Speed.GPU.#1...: 2278.4 MH/s
Speed.GPU.#2...: 2276.8 MH/s
Speed.GPU.#*...: 4555.2 MH/s
Recovered......: 0/237764 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.......: 696123392000/2821109907456 (24.68%)
Skipped........: 0/696123392000 (0.00%)
Rejected.......: 0/696123392000 (0.00%)
HWMon.GPU.#1...: 100% Util, 68c Temp, 89% Fan
HWMon.GPU.#2...: 100% Util, 66c Temp, 88% Fan

v1.31

Quote:Session.Name...: session5100_1_0
Status.........: Running
Input.Mode.....: Mask (?1?1?1?1?1?1?1?1) [8]
Hash.Target....: File (t:\mtask\1015.notfound)
Hash.Type......: MD5
Time.Started...: Thu Oct 16 09:02:09 2014 (3 mins, 54 secs)
Time.Estimated.: Thu Oct 16 09:12:32 2014 (6 mins, 26 secs)
Speed.GPU.#1...: 2275.8 MH/s
Speed.GPU.#2...: 2274.6 MH/s
Speed.GPU.#*...: 4550.4 MH/s
Recovered......: 0/237234 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.......: 1065222144000/2821109907456 (37.76%)
Skipped........: 0/1065222144000 (0.00%)
Rejected.......: 0/1065222144000 (0.00%)
HWMon.GPU.#1...: 100% Util, 68c Temp, N/A Fan
HWMon.GPU.#2...: 14% Util, 67c Temp, N/A Fan

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