Going back to that mysterious idle time fluctuation problem, I just noticed
something interesting here:
With hashvec, (64K buckets)
real user sys
29.62 23.87 3.02
28.80 24.16 3.07
50.95 24.11 3.04
28.17 23.95 3.20
61.21 23.89 3.16
28.61 23.88 3.30
With vmalloc (64K buckets)
real user sys
29.67 23.98 2.88
28.35 23.96 3.13
52.29 24.16 2.89
28.39 24.07 2.97
65.13 24.08 3.01
28.08 24.02 3.16
Look, the real time artifacts show up in the same places in the two
different runs. There was a reboot before each run. There is a sync
before and after each trial. Each trial was initiated by hand, so this
isn't about something else going on in the machine at the same time.
Got to be a clue in there somewhere.
Regards,
Daniel
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