Date: Sat, 15 Aug 2020 23:03:53 -0700 From: John-Mark Gurney <jmg@funkthat.com> To: "Steve O'Hara-Smith" <steve@sohara.org> Cc: freebsd-arm@freebsd.org Subject: Re: RPi4B and self-hosted buildworld buildkernel times: using more than -j3 is a waste in my tests. Message-ID: <20200816060353.GB4213@funkthat.com> In-Reply-To: <20200815100051.10b1d9442c2c739e36f8c7e5@sohara.org> References: <D1FE2E6A-F83A-41AE-87FE-44BBA1CF09A8.ref@yahoo.com> <D1FE2E6A-F83A-41AE-87FE-44BBA1CF09A8@yahoo.com> <20200815100051.10b1d9442c2c739e36f8c7e5@sohara.org>
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Steve O'Hara-Smith wrote this message on Sat, Aug 15, 2020 at 10:00 +0100:
> On Sat, 15 Aug 2020 00:23:58 -0700
> Mark Millard via freebsd-arm <freebsd-arm@freebsd.org> wrote:
>
> > So: much less time required compared to the RPi4B at the
> > same clock rate. (The MACCHIATObin has a SATA SSD but
> > buildworld buildkernel is not I/O bound.)
>
> Still given the difference in price the Rpi4B doesn't come off too
> badly in the comparison.
And if you distribute the build accross multiple RPi4B's, w/ three
or four, which is still cheaper than even the single shot, you could
possible get a comparable build time.
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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