Your run took nearly a minute, and did so at a rate that would take 0.345 hours to do a simulated nanosecond
Mark On Mon, Jul 28, 2014 at 9:05 AM, Theodore Si <sjyz...@gmail.com> wrote: > Core t (s) Wall t (s) (%) > Time: 2345.800 49.744 4715.7 > (ns/day) (hour/ns) > Performance: 69.479 0.345 > > > What does 0.345 hour/ns stand for? and the Wall time 49.77s? > > > 于 2014/7/28 14:53, Mark Abraham 写道: > > I plan to put some more of this kind of documentation in the upcoming User >> Guide, but it isn't done yet. >> >> Number of times that section was entered, the total wall time spent in >> that >> section, and the total number of processor gigacycles spent in that >> section, and percentage of same. Some columns are useful for only some >> kinds of comparisons. >> >> Mark >> >> >> On Mon, Jul 28, 2014 at 5:35 AM, Theodore Si <sjyz...@gmail.com> wrote: >> >> Thanks a lot! >>> But I am still confused about other things. >>> For instance, what do count, wall t(s) G-Cycles mean? It seems that the >>> last column is the percentage of G-Cycles. >>> I really hope there is a place where I can find all relative information >>> of the log file. >>> >>> 于 2014/7/28 11:12, Mark Abraham 写道: >>> >>> On Jul 28, 2014 4:53 AM, "Theodore Si" <sjyz...@gmail.com> wrote: >>> >>>> For example, in the following form, what does Wait + Comm. F mean? Is >>>>> there a webpage that explains the forms in log file? >>>>> >>>>> Unfortunately not (yet), but they correspond in a more-or-less clear >>>> way >>>> to >>>> the segments in manual figure 3.16. In this case, to the three boxes >>>> below >>>> "Evaluate potential/forces." Significant time spent here would indicate >>>> poor balance of compute load. >>>> >>>> Mark >>>> >>>> R E A L C Y C L E A N D T I M E A C C O U N T I N G >>>> >>>>> Computing: Nodes Th. Count Wall t (s) G-Cycles % >>>>> >>>>> ------------------------------------------------------------ >>>>> >>>> ----------------- >>>> >>>> Domain decomp. 24 2 801 2.827 351.962 5.7 >>>>> DD comm. load 24 2 800 0.077 9.604 0.2 >>>>> DD comm. bounds 24 2 800 0.354 44.014 0.7 >>>>> Neighbor search 24 2 801 1.077 134.117 2.2 >>>>> Launch GPU ops. 24 2 40002 1.518 189.021 3.1 >>>>> Comm. coord. 24 2 19200 2.009 250.121 4.0 >>>>> Force 24 2 20001 8.478 1055.405 17.0 >>>>> Wait + Comm. F 24 2 20001 1.967 244.901 4.0 >>>>> PME mesh 24 2 20001 24.064 2995.784 48.4 >>>>> Wait GPU nonlocal 24 2 20001 0.170 21.212 0.3 >>>>> Wait GPU local 24 2 20001 0.072 8.935 0.1 >>>>> NB X/F buffer ops. 24 2 78402 0.627 78.050 1.3 >>>>> Write traj. 24 2 2 0.037 4.569 0.1 >>>>> Update 24 2 20001 0.497 61.874 1.0 >>>>> Constraints 24 2 20001 4.198 522.645 8.4 >>>>> Comm. energies 24 2 801 0.293 36.500 0.6 >>>>> Rest 24 1.478 184.033 3.0 >>>>> >>>>> ------------------------------------------------------------ >>>>> >>>> ----------------- >>>> >>>> Total 24 49.744 6192.746 100.0 >>>>> >>>>> ------------------------------------------------------------ >>>>> >>>> ----------------- >>>> ------------------------------------------------------------ >>>> ----------------- >>>> >>>> PME redist. X/F 24 2 40002 6.199 771.670 12.5 >>>>> PME spread/gather 24 2 40002 7.194 895.557 14.5 >>>>> PME 3D-FFT 24 2 40002 2.727 339.480 5.5 >>>>> PME 3D-FFT Comm. 24 2 80004 7.460 928.742 15.0 >>>>> PME solve 24 2 20001 0.434 53.968 0.9 >>>>> >>>>> ------------------------------------------------------------ >>>>> >>>> ----------------- >>>> >>>> -- >>>>> 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. >>>> >>>> -- >>> 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. >>> >>> > -- > 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. > -- 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.