Steve Snyder wrote:
> I notice that the FC2 kernels are built for size, not speed. (The config
> option for compiling for size is selected.)
>
> What is the thinking behind this? Is the configuration biased toward
> low-memory systems? Are there CPU cache considerations that effective
> make a small build (-Os) faster than a more optimized (-O2) build?
The latter: plus the kernel is a rather specialised application, that is
tuned with (at least) one eye on what gcc produces, which mean that
there isn't the opportunity for -O2 to do much good (but it will bulk
out the code).
James.
--
E-mail address: james | "Just for once, I wish we would encounter an
@westexe.demon.co.uk | alien menace that wasn't immune to bullets..."
| -- The Brigadier, 'Doctor Who'
