Low utilization with multi GPU

[cpu_pirate]

Hmm .. same result:

Session..........: GL-brute-8-10
Status...........: Running
Hash.Type........: WPA-EAPOL-PBKDF2
Hash.Target......: d:\Training\wireless\captures\Greenlight.hccapx
Time.Started.....: Tue Aug 14 13:06:25 2018 (28 secs)
Time.Estimated...: Next Big Bang (> 10 years)
Guess.Mask.......: ?a?a?l?l?l?l?l?a?a?a [10]
Guess.Queue......: 1/1 (100.00%)
Speed.Dev.#1.....: 230.7 kH/s (5.72ms) @ Accel:32 Loops:16 Thr:1024 Vec:1
Speed.Dev.#2.....: 230.3 kH/s (5.73ms) @ Accel:32 Loops:16 Thr:1024 Vec:1
Speed.Dev.#3.....: 156.5 kH/s (5.78ms) @ Accel:32 Loops:16 Thr:1024 Vec:1
Speed.Dev.#4.....: 156.9 kH/s (5.72ms) @ Accel:32 Loops:16 Thr:1024 Vec:1
Speed.Dev.#*.....: 774.4 kH/s
Recovered........: 0/17 (0.00%) Digests, 0/1 (0.00%) Salts
Progress.........: 21561344/91935822600700000 (0.00%)
Rejected.........: 0/21561344 (0.00%)
Restore.Point....: 0/967745501060000 (0.00%)
Candidates.#1....: parieriner -> p:rdfanere
Candidates.#2....: p`jmnanere -> p]eginaner
Candidates.#3....: p?wmelller -> pNqeponere
Candidates.#4....: pMqeponere -> plaxvinere
HWMon.Dev.#1.....: Temp: 33c Fan: 0% Util: 37% Core:2113MHz Mem:4704MHz Bus:8
HWMon.Dev.#2.....: Temp: 35c Fan: 23% Util: 38% Core:2088MHz Mem:4908MHz Bus:8
HWMon.Dev.#3.....: Temp: 55c Fan: 7% Util: 35% Core:2025MHz Mem:3499MHz Bus:1
HWMon.Dev.#4.....: Temp: 52c Fan: 0% Util: 38% Core:2050MHz Mem:3499MHz Bus:1