Re: [Boost-users] A problem on using boost timer (different time intervals were showed). Can any one with kindness help me?

Subject: Re: [Boost-users] A problem on using boost timer (different time intervals were showed). Can any one with kindness help me?
From: Joel Falcou (joel.falcou_at_[hidden])
Date: 2009-09-24 03:47:21

Roman Perepelitsa wrote:
> You didn't specify which operating system you are using, but I if it's 
> not a real time OS, there is no guarantee that the same code will take 
> the same time to execute on each run.  For small programs (in terms of 
> run time) the difference can be huge (easily an order of magnitude).

+ the fact that if no side effect occurs in the code, the compiler may 
decide to not include the code in the xecutable at all.