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Date:      Thu, 08 Jan 2015 09:10:31 -0800
From:      brian <brian@brianwhalen.net>
To:        freebsd-questions@freebsd.org
Subject:   Re: buildworld in 45 min!
Message-ID:  <54AEBA07.80606@brianwhalen.net>
In-Reply-To: <CALfReyedts-NEjOLo841wGx+ZGz+aOV8nSzdjwXC=aSARUFH7g@mail.gmail.com>
References:  <201501081101.t08B1V2a010623@mech-as221.men.bris.ac.uk> <alpine.BSF.2.11.1501080651100.14801@wonkity.com> <CALfReyedts-NEjOLo841wGx+ZGz+aOV8nSzdjwXC=aSARUFH7g@mail.gmail.com>

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ccache doesnt work with clang, at not not by default, though I have seen 
some try to do it via symlinking.

Brian

On 1/8/2015 6:46 AM, krad wrote:
> ccache as well, make sure you have loads of ram and run on zfs and/or have
> the whole lot on the memory fs or ssd...
>
> On 8 January 2015 at 13:53, Warren Block <wblock@wonkity.com> wrote:
>
>> On Thu, 8 Jan 2015, Anton Shterenlikht wrote:
>>
>>   I got a Sun Fire X4100 for 60 pounds off ebay:
>>> FreeBSD 10.1-RELEASE #0 r274401: Tue Nov 11 21:02:49 UTC 2014
>>> CPU: Dual-Core AMD Opteron(tm) Processor 2220 (2792.64-MHz K8-class CPU)
>>> real memory  = 17179869184 (16384 MB)
>>> avail memory = 16595623936 (15826 MB)
>>> FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
>>> FreeBSD/SMP: 2 package(s) x 2 core(s)
>>>
>>> It does buildworld -j8 in under 45 min.
>>> That's really fast!
>>> I'm used to 4 hour ia64 builds.
>>> Time to move on perhaps...
>>>
>> Or add -DNO_CLEAN.  How much that can improve things depends on how long
>> ago the system was last built, but usually saves half to two thirds of the
>> build time for me.
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