Re: [Boost-Users] profiling ublas code

From: jhr.walter_at_[hidden]
Date: 2003-07-15 01:29:26

Hi Julian,

you wrote:

> I am trying to optimize my ublas-containing code.  The profile from 
> gprof showed these two functions as the top 2 time-consuming ones.  
> Could somebody explain to me a little bit about what these mean?
>
>  %   cumulative   self              self     total           
> time   seconds   seconds    calls  ms/call  ms/call  name    
>
> 23.76     93.11    93.11 137604968     0.00     0.00  vector<int, 
> allocator<int> > * __uninitialized_copy_aux<vector<int, 
> allocator<int> > *, vector<int, allocator<int> > *>(vector<int, 
> allocator<int> > *, vector<int, allocator<int> > *, vector<int, 
> allocator<int> > *, __false_type)

A copy helper of gcc's libstdc++?
 
21.49    177.31    84.20 41208000     0.00     0.00  vector<int, 
allocator<int> >::operator=(vector<int, allocator<int> > const &)

std::vector's assignment?

Best,
Joerg