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Assigning NULL to large variables is much faster than rm() - any reason why I should still use rm()?
2013 May 25
2
Assigning NULL to large variables is much faster than rm() - any reason why I should still use rm()?
Hi,
in my packages/functions/code I tend to remove large temporary
variables as soon as possible, e.g. large intermediate vectors used in
iterations. I sometimes also have the habit of doing this to make it
explicit in the source code when a temporary object is no longer
needed. However, I did notice that this can add a noticeable overhead
when the rest of the iteration step does not take that