Re: [Boost-users] [Regex] anyone seeing performance dip w/regex matching moving from 1.47->1.48 w/gcc?

Subject: Re: [Boost-users] [Regex] anyone seeing performance dip w/regex matching moving from 1.47->1.48 w/gcc?
From: John Maddock (boost.regex_at_[hidden])
Date: 2011-12-19 13:23:46

>I just pulled down boost regex 1.48 and built it with gcc 4.3 on CentOS 
>5.5. My internal regex performance tests are
>showing > 30% performance degradation between versions 1.47 and 1.48. I 
>wanted to ask if anyone else has seen anything like this?
>
>We've been using the same makefile to built boost regex for a long time, 
>and we haven't converted to bjam. So I am wondering if
>this could be due to our particular build environment?

I doubt it, but more to the point, I don't think there were any significant 
changes between those version,

John.