Subject: Re: MP scheduling
To: Tim Kelly <hockey@dialectronics.com>
From: =?ISO-8859-1?Q?Timo_Sch=F6ler?= <eclipser23@web.de>
List: port-macppc
Date: 11/11/2004 13:26:41
>> Are you sure build actually ran jobs concurrently ( like make -j2 ) ?
>> You can't distribute a single thread over two CPUs and expect more
>> than ~100% combined load :)
>
> I don't know about the -j2 flag, but I saw threads from nbmake on both
> CPUs. In general, other than the actual compiling there was good load
> sharing. The actual compiling would stay on one CPU and consume all of
> it.
>
> tim

-j 2 utilizes both CPUs -- but 'beware', sometimes a race condition 
kicks in and build.sh fails (seldom, but i stumbled over this a few 
weeks ago)...

rgds,

timo