From: Justin Piszcz <war@starband.net>
To: Larry McVoy <lm@bitmover.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: gcc-2.95.3 vs gcc-3.0.4
Date: Sat, 23 Feb 2002 00:13:34 -0500 [thread overview]
Message-ID: <3C7724FE.62001ABE@starband.net> (raw)
In-Reply-To: <3C771D29.942A07C2@starband.net> <20020222204456.O11156@work.bitmover.com>
Ahh! Thanks for the information.
Larry McVoy wrote:
> Try 2.72, it's almost twice as fast as 2.95 for builds. For BK, at least,
> we don't see any benefit from the slower compiler, the code runs the same
> either way.
>
> On Fri, Feb 22, 2002 at 11:40:09PM -0500, Justin Piszcz wrote:
> > Wow, not sure if anyone here has done any benchmarks, but look at these
> > build times:
> > Kernel 2.4.17 did compile with 3.0.4, just much much slower than 2.95.3
> > however.
> >
> > GCC 2.95.3
> > Boot sector 512 bytes.
> > Setup is 2628 bytes.
> > System is 899 kB
> > make[1]: Leaving directory `/usr/src/linux-2.4.17/arch/i386/boot'
> > 287.28user 23.99system 5:15.81elapsed 98%CPU (0avgtext+0avgdata
> > 0maxresident)k
> > 0inputs+0outputs (514864major+684661minor)pagefaults 0swaps
> >
> > GCC 3.0.4
> > Boot sector 512 bytes.
> > Setup is 2628 bytes.
> > System is 962 kB
> > warning: kernel is too big for standalone boot from floppy
> > make[1]: Leaving directory `/usr/src/linux-2.4.17/arch/i386/boot'
> > 406.87user 28.38system 7:23.68elapsed 98%CPU (0avgtext+0avgdata
> > 0maxresident)k
> > 0inputs+0outputs (546562major+989237minor)pagefaults 0swaps
> >
> >
> > -
> > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> > the body of a message to majordomo@vger.kernel.org
> > More majordomo info at http://vger.kernel.org/majordomo-info.html
> > Please read the FAQ at http://www.tux.org/lkml/
>
> --
> ---
> Larry McVoy lm at bitmover.com http://www.bitmover.com/lm
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
next prev parent reply other threads:[~2002-02-23 5:14 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-02-23 4:40 gcc-2.95.3 vs gcc-3.0.4 Justin Piszcz
2002-02-23 4:44 ` Larry McVoy
2002-02-23 5:13 ` Justin Piszcz [this message]
2002-02-23 5:22 ` Andrew Morton
2002-02-23 5:50 ` Richard Gooch
2002-02-23 10:31 ` Benny Sjostrand
2002-02-23 15:00 ` Martin Dalecki
2002-02-25 8:07 ` Simon Kirby
2002-02-25 8:15 ` David S. Miller
2002-02-25 8:32 ` David Rees
2002-02-25 9:32 ` Ian Castle
2002-02-25 9:52 ` Markus Schaber
2002-02-23 5:40 ` hugang
2002-02-23 5:56 ` Andrew Morton
2002-02-23 9:25 ` Paul G. Allen
2002-02-23 13:55 ` gmack
2002-02-23 15:43 ` bert hubert
2002-02-25 0:07 ` Luigi Genoni
2002-02-25 0:32 ` ANN: syscalltrack v0.7 released guy keren
2002-02-25 7:48 ` gcc-2.95.3 vs gcc-3.0.4 Jakub Jelinek
2002-02-25 9:46 ` Luigi Genoni
2002-02-25 9:59 ` Jakub Jelinek
2002-02-25 12:55 ` Jan Hubicka
2002-02-25 16:08 ` Juan Quintela
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