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Re: GCC 4.1: Buildable on GHz machines only?
On Thu, Apr 28, 2005 at 11:03:51AM -0700, Matt Thomas wrote:
>
> Someone complained I was unfair in my gcc bootstrap times since
> some builds included libjava/gfortran and some did not.
>
> So in the past day, I've done bootstrap with just c,c++,objc on
> both 3.4 and gcc4.1. I've put the results in a web page at
> http://3am-software.com/gcc-speed.html. The initial bootstrap
> compiler was gcc3.3 and they are all running off the same base
> of NetBSD 3.99.3.
>
> While taking out fortran and java reduced the disparity, there
> is still a large increase in bootstrap times from 3.4 to 4.1.
There's some new code in libstdc++ now (the TR1 stuff) that (last time I
looked) takes a long time to build, and wasn't in 3.4. Could that be a
factor?
A comparison with just --enable-languages=c would eliminate any
issues with libraries.