Re: [boost] [function] function wrapping withnoexceptionsafetyguarantee

Subject: Re: [boost] [function] function wrapping withnoexceptionsafetyguarantee
From: Jeffrey Lee Hellrung, Jr. (jhellrung_at_[hidden])
Date: 2010-11-02 19:20:55

On 11/02/2010 02:50 PM, Daniel Walker wrote:
[...]
> Here are the results I got, again, using the build of g++ 4.2 provided
> by my manufacturer.
>
> Data (Release):
>             |  function   | function (static empty)
> time/call  |  3.54e-07s  |  3.51e-07s
> space/type |    64B      |    80B
>
> Data (Debug):
>             |  function   | function (static empty)
> time/call  |  2.05e-06s  |  2.04e-06s
> space/type |    64B      |    80B
>
> You can see that removing the empty check from boost::function yields
> about a 1% improvement in time per call to boost::signal. The
> increased space per type overhead is the same as before: 16B.
[...]

[Butting in after only vaguely following this thread...]

Would it also be appropriate to measure the "space/call", in addition to 
"time/call" and "space/type"?  Or is there no difference, or had this 
been addressed already?

- Jeff