Re: [Boost-users] [Signals] Another performance discussion

Subject: Re: [Boost-users] [Signals] Another performance discussion
From: Frank Mori Hess (frank.hess_at_[hidden])
Date: 2009-07-24 13:58:36

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On Friday 24 July 2009, Sajjan Kalle wrote:
> I guess the fragmented signals2 version isn't all that interesting
> anymore

Changeset 55143 on the svn trunk:

https://svn.boost.org/trac/boost/changeset/55143/trunk

should improve the fragmented signals2 benchmark time.  With the patch, your 
benchmark outputs for me:

$ ./a.out
vector variant: 0.13
boost::signal unfragmented variant: 0.51
boost::signal fragmented variant: 2.15
boost::signal2 unfragmented variant: 0.44
boost::signal2 Fragmented variant: 2.62
list unfragmented variant: 0.12
list fragmented variant: 1.01

On repeated runs with the list stuff removed (due to it taking so long), the 
boost::signal times show the most variability for whatever reason:

$ ./a.out
vector variant: 0.12
boost::signal unfragmented variant: 1.36
boost::signal fragmented variant: 3.04
boost::signal2 unfragmented variant: 0.45
boost::signal2 Fragmented variant: 2.6
$ ./a.out
vector variant: 0.12
boost::signal unfragmented variant: 0.81
boost::signal fragmented variant: 2.85
boost::signal2 unfragmented variant: 0.44
boost::signal2 Fragmented variant: 2.6

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