Faster compilation speed

[Gabriel Dos Reis]

Matt Austern <austern@apple.com> writes:

| On Friday, August 9, 2002, at 04:17 PM, Alan Lehotsky wrote:
| 
| > This is DEFINITELY TRUE!
| >
| > For example, the Bliss11 compiler ACTUALLY ran faster with 
| > optimization turned on because assembling the unoptimized code 
| > actually took longer than the time running FULL optimization required 
| > for anything but the most trivial programs.
| 
| Shall we take it as a given that nobody is going to check
| in a patch for faster compilations without benchmarking
| and making sure that it really does speed things up?

Some while ago, when the compiler slowdown was a hotter issue, it was
suggested that no new optimization-related patches should be checked
in if there were no concrete evidence that they're bringing noticeable
wins.  I don't know how that turns out, though.

-- Gaby