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Old 11-15-2005, 09:26 AM   #1
Registered: Feb 2005
Location: Romania
Distribution: Fedora 2
Posts: 38

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vector copying speed comparison

Which sequence is faster to copy one vector to another:
using for ..., or using iterators ?

1. copy (v_src.begin(), v_src.end(), back_inserter(v_dest));


for(unsigned i=0;i<v_src.size();i++)
v_dest[i] = v_src[i];
Old 11-15-2005, 10:34 AM   #2
Registered: Oct 2005
Posts: 970

Rep: Reputation: Disabled
Hmmm ;(
why don't you time the operations?

on second thoughts i'm not familar with the func copy() and i can't find it in stroustrup's book??

Last edited by dmail; 11-15-2005 at 10:52 AM.


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