Re: Performance degradation w/ -current - GENERIC.MP {amd64,i386}

2009-04-21 Thread RD Thrush
a == Ariane van der Steldt ari...@stack.nl writes: a On Mon, Apr 20, 2009 at 01:57:55PM -0400, RD Thrush wrote: I've recently noticed reduced performance when building ports for amd64 and i386 platforms on multiprocessor boxes. I found the problem was associated with running a 'nice'd dnetc

Re: Performance degradation w/ -current - GENERIC.MP {amd64,i386}

2009-04-21 Thread David Vasek
On Tue, 21 Apr 2009, Hannah Schroeter wrote: On Tue, Apr 21, 2009 at 07:07:13AM -0400, RD Thrush wrote: a == Ariane van der Steldt ari...@stack.nl writes: a On Mon, Apr 20, 2009 at 01:57:55PM -0400, RD Thrush wrote: [...] The problem can be reproduced by busying each core w/ a 'nice'd

Performance degradation w/ -current - GENERIC.MP {amd64,i386}

2009-04-20 Thread RD Thrush
I've recently noticed reduced performance when building ports for amd64 and i386 platforms on multiprocessor boxes. I found the problem was associated with running a 'nice'd dnetc [1] process on each processor. Without the 'nice'd processes, performance improves dramatically. In a test case,

Re: Performance degradation w/ -current - GENERIC.MP {amd64,i386}

2009-04-20 Thread Ariane van der Steldt
On Mon, Apr 20, 2009 at 01:57:55PM -0400, RD Thrush wrote: I've recently noticed reduced performance when building ports for amd64 and i386 platforms on multiprocessor boxes. I found the problem was associated with running a 'nice'd dnetc [1] process on each processor. Without the 'nice'd