Subject: Re: [boost] [regex, xpressive] interesting(?) perf benchmark
From: Andy Venikov (avenikov_at_[hidden])
Date: 2010-06-08 11:16:41
John Bytheway wrote:
> The down side with this approach, of course, is the absolutely massive
> compile-time cost. Compiling the above example with g++ 4.4.3 takes
> over 6 minutes and over 1.3GiB of memory (and this is after I've put in
> effort to optimize it). The time I could live with, but the memory
> requirements are absurd. Any lexer of real-world complexity would be
> quite impossible to compile.
Could you try it with gcc 4.3?
4.4 has a known regression when it comes to compiling meta-c++ code.
Just ask Christophe.