[boost] Re: [ANN] xpressive 0.9

From: Chau Johnthan (chaujohnthan_at_[hidden])
Date: 2004-09-07 22:41:05

Hi, Eric:

        I download GRETA, but I cann't compiler it bcz of
serveral link error. I am using vs.net2002 unmanged.

        I just copy the example from the document of GRETA.

thanks.

"Eric Niebler" <eric_at_[hidden]> wrote in message
news:413CB678.1000700_at_boost-consulting.com...
> Goran Mitrovic wrote:
> >
> > OK, tnx, but please pay attention to the Greta. Author claims to be few
times
> > faster (due to the virtual fcalls eliminations concept) than Boost's
regex.
> >
>
>
> Yep, I wrote GRETA. GRETA /was/ faster than Boost.Regex pre-1.31. Since
> then, Boost.Regex has been rewritten to be much more efficient.
> Boost.Regex and GRETA are now pretty close in performance.
>
> I wrote GRETA while at Microsoft, and the code is owned by them. I
> started writing xpressive when I left Microsoft. It is a ground-up
> reimplementation, not a rename of GRETA. GRETA is no longer being
> actively maintained.
>
> xpressive takes the virt-call-elimination trick to the extreme, using
> expression templates to eliminate *all* virtuals.
>
> --
> Eric Niebler
> Boost Consulting
> www.boost-consulting.com
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