On Monday 06 November 2006 13:49, Jack Lloyd wrote: > On Mon, Nov 06, 2006 at 01:05:31PM +0100, Hemmann, Volker Armin wrote: > > lets ask the other way round. Why should it speed up anything to have > > X>number of cores? Instead of a single thread per core, compiling > > happily, you have two or more competing for one core and regularly kick > > out each others data from the cache. > > To account for I/O wait states
and how often does something wait for io and how often does some data is purged from the cache, because the other make instance is activated? When I switched from j2 to j1, compiling did not take any longer - but the box way much more usable. -- gentoo-amd64@gentoo.org mailing list
