Subject: Re: [boost] [xpressive] Performance Tuning?
From: Stewart, Robert (Robert.Stewart_at_[hidden])
Date: 2009-07-01 14:23:40
Dave Jenkins wrote:
> "Stewart, Robert" <Robert.Stewart_at_[hidden]> wrote in message
> >I was experimenting with Xpressive to see how it would
> compare with some
> >custom, string-based numeric input parsing. The Xpressive
> code is over
> >175X slower than the custom code.
> Each call to parse() is constructing the sregex variables.
> If you make them
> static or move them out of the loop, it should help a lot.
Thanks, but see my reply to Eric's. While that would help with the benchmark performance, the nature of the function I'm testing means I can't do that otherwise.
Rob Stewart robert.stewart_at_[hidden]
Software Engineer, Core Software using std::disclaimer;
Susquehanna International Group, LLP http://www.sig.com
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