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2007 Jun 26
1
Memory Experimentation: Rule of Thumb = 10-15 Times the Memory
...egularly. I thought I would
share some experimentation with memory use. I run a linux machine
with about 4GB of memory, and R 2.5.0.
upon startup, gc() reports
used (Mb) gc trigger (Mb) max used (Mb)
Ncells 268755 14.4 407500 21.8 350000 18.7
Vcells 139137 1.1 786432 6.0 444750 3.4
This is my baseline. linux 'top' reports 48MB as baseline. This
includes some of my own routines that are always loaded. Good..
Next, I created a s.csv file with 22 variables and 500,000
observations, taking up an uncompressed disk space of 115MB. The
resulting object.size() aft...
2007 Aug 09
1
Memory Experimentation: Rule of Thumb = 10-15 Times the Memory
...re some experimentation with memory use. I run a linux machine
> with about 4GB of memory, and R 2.5.0.
>
> upon startup, gc() reports
>
> used (Mb) gc trigger (Mb) max used (Mb)
> Ncells 268755 14.4 407500 21.8 350000 18.7
> Vcells 139137 1.1 786432 6.0 444750 3.4
>
> This is my baseline. linux 'top' reports 48MB as baseline. This
> includes some of my own routines that are always loaded. Good..
>
>
> Next, I created a s.csv file with 22 variables and 500,000
> observations, taking up an uncompressed disk space of 115MB....