On Wed, Oct 8, 2008 at 3:34 AM, Alan McKinnon <[EMAIL PROTECTED]> wrote:
> On Wednesday 08 October 2008 09:35:25 Heiko Wundram wrote:
>> Am Wednesday 08 October 2008 06:50:47 schrieb Willie Wong:
>> >   I don't remember gcc-3 being such a resource hog when building. So I
>> >   wonder: is this the expected behaviour or is something wrong with my
>> >   box?
>>
>> Expected behaviour. >=gcc-4.2 compiles about three times longer than
>> <gcc-4.2 (IIRC 4.1.2 was the last gcc that I could compile in under 30
>> minutes; the current one takes about 1.5 hours), and requires loads of
>> disk.
>
> gcc is getting like ooO :-)
>
> On a 2.5GHz Core 2 Duo notebook with 4G RAM:
>
>  * sys-devel/gcc
>
>     Sun Aug  3 20:05:36 2008 >>> sys-devel/gcc-4.3.1-r1
>       merge time: 51 minutes and 7 seconds.
>
>     Mon Aug  4 21:54:42 2008 >>> sys-devel/gcc-4.3.1-r1
>       merge time: 42 minutes and 19 seconds.
>
>     Mon Oct  6 10:36:58 2008 >>> sys-devel/gcc-4.3.2
>       merge time: 1 hour, 26 minutes and 29 seconds.
>
> The machine is being used while those compiles are running so it takes longer
> than if left alone. But the relative times are still valid.

You can see the merge time getting longer with each version (I'm using
x86_64 so it may do some extra compiles for 32/64 stuff):

     Wed Jun 20 17:24:25 2007 >>> sys-devel/gcc-3.3.6-r1
       merge time: 6 minutes and 43 seconds.

     Tue Jun 12 22:34:39 2007 >>> sys-devel/gcc-4.1.2
       merge time: 25 minutes and 25 seconds.

     Fri Jul 20 21:15:31 2007 >>> sys-devel/gcc-4.2.0
       merge time: 36 minutes and 2 seconds.

     Mon Jun  9 11:39:41 2008 >>> sys-devel/gcc-4.3.1
       merge time: 48 minutes and 9 seconds.

     Mon Oct  6 12:56:57 2008 >>> sys-devel/gcc-4.3.2
       merge time: 1 hour, 7 minutes and 53 seconds.


It still has a way to go if it wants to beat OpenOffice (the king):

     Tue Aug 19 20:47:26 2008 >>> app-office/openoffice-2.4.1
       merge time: 2 hours, 43 minutes and 43 seconds.

Paul

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