Re: [Boost-users] Re: [Signals] Observation about performance

From: Doug Gregor (dgregor_at_[hidden])
Date: 2005-05-10 12:05:00

On May 10, 2005, at 10:41 AM, Cory Nelson wrote:

> It might be a good idea to launch the benchmark in a seperate thread,
> then call something like:
>
> double GetThreadTime(HANDLE t) {
>    __int64 c, e, k, u;
>    GetThreadTimes(t, (FILETIME*)&c, (FILETIME*)&e, (FILETIME*)&k,
> (FILETIME*)&u);
>
>    return u/10000000.0; // user-mode time in seconds
> }
>
> to get a more precise time.

At 60x overhead, I don't think more precise timing is the problem :)

Signals likely needs some kind of overhaul w.r.t. performance. The 
major problem now is the slot groups.

        Doug