[R] gc() shrinks with multiple iterations

[Luke Tierney]

Andrew Perrin wrote:
> Is it expected behavior for gc() to return shrinking values as it gets
> called multiple times? Here's what I've got:
> 
> > gc()
>           used (Mb) gc trigger  (Mb)
> Ncells  221754  6.0     467875  12.5
> Vcells 3760209 28.7   14880310 113.6
> > gc()
>           used (Mb) gc trigger (Mb)
> Ncells  221760  6.0     467875 12.5
> Vcells 3016206 23.1   11904247 90.9
> > gc()
>           used (Mb) gc trigger (Mb)
> Ncells  221760  6.0     467875 12.5
> Vcells 2420993 18.5    9523397 72.7
> > gc()

For the trigger column yes, but not for the used Vcells value--the
value was being calculated incorrectly; this sould be fixed in the
next release.  Thanks for pointing this out.

luke 
-- 
Luke Tierney
University of Minnesota                      Phone:           612-625-7843
School of Statistics                         Fax:             612-624-8868
313 Ford Hall, 224 Church St. S.E.           email:      luke at stat.umn.edu
Minneapolis, MN 55455 USA                    WWW:  http://www.stat.umn.edu
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