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vector::push_back performance

 
 
Andrew Koenig
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      10-07-2004
"David Harmon" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> On Thu, 30 Sep 2004 14:03:10 GMT in comp.lang.c++, "Andrew Koenig"
> <(E-Mail Removed)> wrote,


>>If I insert the statement


>> std::cout << v.size() << std::endl;


>>in the appropriate place, it prints 1000000 and still runs in 0.03
>>seconds.


> But perhaps the compiler is determining statically what the size of the
> vector would be at that point and encoding only that string in the
> executable. I think you have to read the initial 1000000 from a file
> that is unknown at compile time.


Possible but unlikely.

How about trying whatever tests you feel are appropriate on your own machine
and reporting the results?


 
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