Re: [boost] Heads up - string_ref landing

Subject: Re: [boost] Heads up - string_ref landing
From: Dave Abrahams (dave_at_[hidden])
Date: 2012-11-20 21:34:34

on Fri Nov 16 2012, "Peter Dimov" <lists-AT-pdimov.com> wrote:

> Nevin Liber wrote:
>> Now we are getting somewhere.  Actual experience.  Could you elaborate on
>> the compilers and constructs that need to be hand optimized into
>> equivalent
>> code because the optimizers aren't doing it themselves?
>
> Compilers are, in my experience, better at optimizing i < n loops than
> they are at optimizing i != end loops. They are better at
> constant-folding the n, too, which then helps with eventual
> unrolls. 

+1

> But why are we having this discussion at all? These are
> private members of the class; the author can do whatever he likes. 

+10

-- 
Dave Abrahams
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