root@sf:~/hashcat# CPU_MAX_COMPUTE_UNITS=0 ./hashcat -b --opencl-device-types 1,2 -m 0
hashcat (v3.00-beta-140-g829289b) starting in benchmark-mode...

Device #1: Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz, 3996/15987 MB allocatable, 8MCU
Device #2: Hawaii, 2867/4054 MB allocatable, 44MCU
Device #3: GeForce GTX 750 Ti, 511/2047 MB allocatable, 5MCU
Device #4: GeForce GTX 560 Ti, 255/1023 MB allocatable, 8MCU

Hashtype: MD5

Speed.Dev.#1.:   463.8 MH/s (95.37ms)
Speed.Dev.#2.: 11245.6 MH/s (95.76ms)
Speed.Dev.#3.:  3566.2 MH/s (95.89ms)
Speed.Dev.#4.:  1637.0 MH/s (95.39ms)
Speed.Dev.#*.: 16912.6 MH/s

Started: Sat Jun  4 09:59:26 2016
Stopped: Sat Jun  4 09:59:30 2016