Date: Mon, 10 Feb 2014 17:57:39 -0600 From: Tim Daneliuk <tundra@tundraware.com> To: freebsd-stable@freebsd.org Subject: Re: And Here I Thought buildworld/makeworld Was IO Bound Message-ID: <52F96773.7040503@tundraware.com> In-Reply-To: <20140210205902.GJ1629@glenbarber.us> References: <52F84AF8.8050007@tundraware.com> <52F86768.9000109@googlemail.com> <52F8E8C6.2060909@tundraware.com> <20140210152407.GB1629@glenbarber.us> <52F8F426.9000003@tundraware.com> <20140210160736.GC1629@glenbarber.us> <52F93929.1070203@tundraware.com> <20140210204339.GI1629@glenbarber.us> <52F93AFF.9090806@tundraware.com> <20140210205902.GJ1629@glenbarber.us>
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On 02/10/2014 02:59 PM, Glen Barber wrote: > There are two things to consider though. I'm not cranking the number of > '-j' as high as it probably can go. I'm intentionally limiting it to > 'j10' and '-j6' in order to do parallel builds. I'm sure '-j24' or > higher in this case would reduce overall build time. Noted. > > I'm just not comfortable doing that, because there are a few (sometimes > easily-triggered, other times not so easily-triggered) race conditions > that can cause the builds to fall over to easily. So limiting to > a relatively safe number, scaling out certainly does help. > I have seen this already trying to crank up the process from j8 to j16. Thanks for the insight and help. Most interesting. -- ---------------------------------------------------------------------------- Tim Daneliuk tundra@tundraware.com PGP Key: http://www.tundraware.com/PGP/
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