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forcev
2013 Jan 21
2
foreach takes foreever?
I started to look at ways to improve times of certain very parallel tasks and thought that foreach should be a valid candidate to do the job.
So, i opened foreach tutorial by Steve Weston and started timing examples from it. First example from tutorial is
>system.time(for(i in 1:100000) sqrt(i))
user system elapsed
0.06 0.00 0.06
> system.time(foreach(i=1:100000) %do%