user42 at zip.com.au
Sun Jun 20 00:28:17 CEST 2004
Josh Liu <zliu2 at student.gsu.edu> writes:
> I want to know how the precision parameter comes into play as well.
Enough repetitions of a call are made to ensure 1 in prec accuracy,
having regard to the timebase unit. For instance if it's microseconds
then the default precision is 1000 and enough repetitions are made to
take 1000 microseconds, ie. 1 millisecond. See speed_measure in
> The other possibility is to do curve fitting of the time function
It's not necessarily very smooth.
Torbjorn Granlund <tg at swox.com> writes:
> minimizing a "badness" metric.
Yep. Comments in tuneup.c.
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