Subject: Re: -pipe significantly boosts up kernel compile speed
To: David Laight <email@example.com>
From: Bang Jun-Young <firstname.lastname@example.org>
Date: 07/04/2002 22:01:51
On Thu, Jul 04, 2002 at 01:24:22PM +0100, David Laight wrote:
> On Thu, Jul 04, 2002 at 08:07:14PM +0900, Bang Jun-Young wrote:
> > Hi,
> > I tested to see how -pipe option given to gcc affects kernel
> > build time, and got the result below:
> > GENERIC
> > Without -pipe: 5:55
> > With -pipe: 4:09
> Did you remember to allow for the effect of bufferred data.
> The second build will be quicker than the first (13:12 to 11:42
> on my system without -pipe)
I did the -pipe case first. 5:55 could be even worse. ;-)
> OTOH -pipe is probably a good idea - esp. on a MP system?
FreeBSD guys seem to already know that. -pipe is used by default
on FreeBSD for source build.
Bang Jun-Young <email@example.com>