By runing gmx mdrun -nb gpu -deffnm md_0_1 I see the following outputs
$ top -b | head -n 10 top - 19:14:10 up 7 min, 1 user, load average: 4.54, 1.40, 0.54 Tasks: 344 total, 1 running, 343 sleeping, 0 stopped, 0 zombie %Cpu(s): 7.1 us, 0.5 sy, 0.0 ni, 91.9 id, 0.4 wa, 0.0 hi, 0.0 si, 0.0 st KiB Mem : 16438496 total, 13462876 free, 1968196 used, 1007424 buff/cache KiB Swap: 31250428 total, 31250428 free, 0 used. 14054796 avail Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 3604 mahmood 20 0 30.519g 525812 128788 S 918.8 3.2 6:58.38 gmx 1180 root 20 0 324688 69384 49712 S 6.2 0.4 0:14.41 Xorg 1450 mahmood 20 0 210228 7856 7192 S 6.2 0.0 0:00.17 ibus-engin+ $ nvidia-smi Wed Feb 28 19:14:35 2018 +-----------------------------------------------------------------------------+ | NVIDIA-SMI 384.81 Driver Version: 384.81 | |-------------------------------+----------------------+----------------------+ | GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC | | Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. | |===============================+======================+======================| | 0 Quadro M2000 Off | 00000000:23:00.0 On | N/A | | 65% 64C P0 58W / 75W | 292MiB / 4035MiB | 93% Default | +-------------------------------+----------------------+----------------------+ +-----------------------------------------------------------------------------+ | Processes: GPU Memory | | GPU PID Type Process name Usage | |=============================================================================| | 0 1180 G /usr/lib/xorg/Xorg 141MiB | | 0 1651 G compiz 46MiB | | 0 3604 C gmx 90MiB | +-----------------------------------------------------------------------------+ Any idea? Regards, Mahmood On Monday, February 26, 2018, 10:52:40 PM GMT+3:30, Szilárd Páll <pall.szil...@gmail.com> wrote: Hi, Please provide details, e.g. the full log so we know what version, on what hardware, settings etc. you're running. -- Szilárd -- Gromacs Users mailing list * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/GMX-Users_List before posting! * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists * For (un)subscribe requests visit https://maillist.sys.kth.se/mailman/listinfo/gromacs.org_gmx-users or send a mail to gmx-users-requ...@gromacs.org.