C++ compile time (again)

[Diego Novillo]

On Fri, 2003-06-13 at 11:41, Karel Gardas wrote:
> On Fri, 13 Jun 2003, Wolfgang Bangerth wrote:
> 
> > It's C++-compile-time-regression-rant time again. Compile times for a
> > complete build of the deal.II library on a PIII 800 MHz:
> >
> >   gcc2.95 :  46 min
> >   mainline:  89 min
> >   tree-ssa: 118 min
> 
> Looks very similar for MICO too, although I haven't tested tree-ssa yet,
> should I?
> 
Yes, please.  We need all the data we can get.  If you can run it every
day, then great.  Otherwise, send me a couple of pointers and I'll add
it to the list.

> (note: in whole email I will talk about compiler performance with using
> -O0 only)
> 
I've had a notion of enabling some very simplistic cleanups at -O0.  But
it's down there at the bottom of the list.


> Does anybody here have anything like that? (just to not reinvent a wheel)
> 
You could try using my SPEC scripts.  I want to pretend they're simple
to modify for things other than SPEC.  But they're written in bash, what
a dreadful scripting language that is.  Let me know if you're
interested.


Diego.