[R] flops calculation

kevinchang shukai at seas.upenn.edu
Mon Oct 29 01:23:55 CET 2007

Hi all,

Since proc.time return three different kind of times (user, system and
elapsed) , I am wondering which one is right for calculating flops. In New S
Language (Becker et. al. ) , it seems to be the user because " the user time
measures the processor time used in S  and the system time measures the
operating system in response to S's request". But in R Help ,  system time
sounds better as " The first two entries(referred to user and system time
respectively) are the total user and system CPU times of the current R
process and any child processes on which it has waited".  Please help .

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