Precompiled headers (or other speed ups)

[Geoff Keating]

> From: dewar@gnat.com
> Cc: gcc@gcc.gnu.org
> Date: Tue,  9 Jan 2001 00:09:25 -0500 (EST)
> 
> <<Yes, I'm actively working on precompiled headers.  They've been
> delayed a bit to allow for the GCC 3.0 release to get out the door,
> but they should be in 3.1.
> >>
> 
> It's always interesting to know whether this will be a significant 
> speed up, or not. Do you have data yet?

I have measured a 2x speedup for one C code testcase.  No C++ data,
but I expect that'll be better (since more processing is done on C++
header files).

-- 
- Geoffrey Keating <geoffk@geoffk.org>