Re: [gentoo-portage-dev] [PATCH v2] Default MAKEOPTS to -j(ncpus+1) when unset

[Zac Medico <zmedico@gentoo.org>]

On 01/28/2015 07:06 PM, Rick "Zero_Chaos" Farina wrote:
> On 01/18/2015 11:58 AM, Brian Dolbec wrote:
>> On Sun, 18 Jan 2015 11:38:38 +0100
>> Michał Górny <mgorny@gentoo.org> wrote:
>>
>>> Default MAKEOPTS job number to (number of CPUs + 1) when it is not
>>> provided in the ebuild environment.
>>>
>>> Suggested-By: Daniel Robbins <drobbins@funtoo.org>
>>> ---
>>>  pym/portage/package/ebuild/doebuild.py |  8 +++++++-
>>>  pym/portage/util/cpuinfo.py            | 18 ++++++++++++++++++
>>>  2 files changed, 25 insertions(+), 1 deletion(-)
>>>  create mode 100644 pym/portage/util/cpuinfo.py
>>>
>>
>>
>> looks good, merge please
>>
> I realize I'm a little bit late here, but after extensive testing with
> multiple different schedulers that NUMCPU provides equivalent
> performance, or even outperforms NUMCPU+1.  I think that changes from 1
> cpu to NUMCPU is good enough, and we don't need to test thrashing the
> scheduler.

Yeah, that's what I was thinking when the patch was submitted, but I
forgot to mention it.
-- 
Thanks,
Zac