|
|
Boost : |
Subject: Re: [boost] proposal - Statistically robust function timing for performance decisions.
From: Mathias Gaunard (mathias.gaunard_at_[hidden])
Date: 2009-07-19 17:15:04
Edward Grace wrote:
> I modified the example to force side-effects by making the variables in
> the loop global. Consequently it now doesn't get optimised away -
> compilers sure are clever these days.
Rather, I think you should use volatile or something, which is
guaranteed by the C++ standard not be optimized out.
Boost list run by bdawes at acm.org, gregod at cs.rpi.edu, cpdaniel at pacbell.net, john at johnmaddock.co.uk