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.
δΊ 2014/7/28 11:12, Mark Abraham ει:
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
-----------------------------------------------------------------------------
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