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From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-01-22 12:55:26

FWIW, the EDG guys are now aware of the problem and have a test case in

----- Original Message -----
From: "vesa_karvonen" <vesa_karvonen_at_[hidden]>
To: <boost_at_[hidden]>
Sent: Tuesday, January 22, 2002 12:47 PM
Subject: [boost] Re: Preprocessor list data stucture committed to CVS

> --- In boost_at_y..., "vesa_karvonen" <vesa_karvonen_at_h...> wrote:
> > I'd expect that EDG based compilers may grind on the list test for
> > quite a few minutes. I'll test this when I get to the office.
> On the 800MHz PIII I use at the office, it took some 20 minutes to
> compile all the preprocessor tests in the background using Comeau
> 4.2.38. The list test took 13 minutes. Currently the list used has 5
> elements. I'll see what happens if I reduce the list length.
> Some time ago I implemented an almost complete (it had a bug, but it
> worked for the particular list) quick sort using the preprocessor. It
> preprocessed in less than a second on both g++ and MSVC++. On Comeau
> I stopped the process after it had been compiling for over 3 days
> (over the weekend) and used over 200Mb of memory. Since the list was
> only 5 elements long, recursion depths must have been rather small
> (say less than 25). I think I'll probably implement a more robust
> version of BOOST_PP_LIST_SORT(P,L) and try it online with Comeau. :)
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