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Thu, 24 Jun 2021 23:25:30 +0000 Received: by kubenode547.mail-prod1.omega.gq1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID d826349dac2dff7369820d6ff2ecd140; Thu, 24 Jun 2021 23:25:24 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable List-Id: Porting FreeBSD to ARM processors List-Archive: https://lists.freebsd.org/archives/freebsd-arm List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-arm@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.100.0.2.22\)) Subject: Re: HoneyComb first-boot notes [buildworld buildkernel timing example for stable/13] Date: Thu, 24 Jun 2021 16:25:24 -0700 References: <8A6C415F-A57B-4F2F-861F-052B487166D6.ref@yahoo.com> <8A6C415F-A57B-4F2F-861F-052B487166D6@yahoo.com> <40AE6447-77AF-4D0E-864F-AD52D9F3346F@yahoo.com> <12A4EDD1-A2AB-4CE3-AB0E-A4B5D6FB4674@yahoo.com> <5B1B5E1A-8AE4-4889-ABE6-50C206F896FB@yahoo.com> <7DBDC8AB-C80B-4E26-B58F-251A3D29CE41@yahoo.com> To: freebsd-arm In-Reply-To: <7DBDC8AB-C80B-4E26-B58F-251A3D29CE41@yahoo.com> Message-Id: <5BBF1B55-F02C-4817-B805-677EDDC5B809@yahoo.com> X-Mailer: Apple Mail (2.3654.100.0.2.22) X-Rspamd-Queue-Id: 4G9x7v4ByJz4VTb X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; 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SPAMHAUS_ZRD(0.00)[98.137.64.206:from:127.0.2.255]; RCVD_IN_DNSWL_NONE(0.00)[98.137.64.206:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.64.206:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-arm] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-arm X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: N On 2021-Jun-24, at 16:00, Mark Millard wrote: > On 2021-Jun-24, at 13:39, Mark Millard wrote: >=20 >> Repeating here what I've reported on teh solidrun discord: >>=20 >> I decided to experiment with monitoring the temperatures reported >> as things are. For the default heat-sink/fan and the 2 other fans >> in the case, buildworld with load average 16.? for some time has >> stayed with tz0 through tz6 reporting between 61.0degC and 66.0degC, >> say about 20degC for ambiant. (tz7 and tz8 report 0.1C.) During >> stages with lower load averages, the tz0..tz6 tempuratures back off >> some. So it looks like my default context keeps the system >> sufficiently cool for such use. >>=20 >> I'll note that the default heat-sink's fan is not operating at rates >> that I hear it upstairs. I've heard the noisy mode from there during >> early parts of booting for Fedora 34 server, for example. >=20 > So I updated my stable/13 source and built and installed > the update, then did a rm -fr of the build directory > tree context and started a from-scratch build. The > build had: >=20 > SYSTEM_COMPILER: Determined that CC=3Dcc matches the source tree. Not = bootstrapping a cross-compiler. > and: > SYSTEM_LINKER: Determined that LD=3Dld matches the source tree. Not = bootstrapping a cross-linker. >=20 > as is my standard context for doing such "how long does > it take" buildworld buildkernel testing. >=20 > On aarch64 I do not build for targeting non-arm architectures. > This does save some time on the builds. I should have mentioned that my builds are based on tuning for the cortex-a72 via -mcpu=3Dcortex-a72 being used. This was also true of the live system that was running, kernel and world. > The results for the HoneyComb configuration I'm using: >=20 > World build completed on Thu Jun 24 15:30:11 PDT 2021 > World built in 3173 seconds, ncpu: 16, make -j16 > Kernel build for GENERIC-NODBG-CA72 completed on Thu Jun 24 15:34:45 = PDT 2021 > Kernel(s) GENERIC-NODBG-CA72 built in 274 seconds, ncpu: 16, make = -j16 >=20 > So World+Kernel took a a little under 1 hr to build (-j16). >=20 >=20 >=20 > Comparison/contrast to prior aarch64 systems that I've used > for buildworld buildkernel . . . >=20 >=20 > By contrast, the (now failed) OverDrive 1000's last timing > was (building releng/13 instead of stable/13): >=20 > World build completed on Tue Apr 27 02:50:52 PDT 2021 > World built in 12402 seconds, ncpu: 4, make -j4 > Kernel build for GENERIC-NODBG-CA72 completed on Tue Apr 27 03:08:04 = PDT 2021 > Kernel(s) GENERIC-NODBG-CA72 built in 1033 seconds, ncpu: 4, make -j4 >=20 > So World+Kernel took a a little under 3.75 hrs to build (-j4). >=20 >=20 > The MACCHIATObin Double Shot's last timing was > (building a 13-CURRENT): >=20 > World build completed on Tue Jan 19 03:44:59 PST 2021 > World built in 14902 seconds, ncpu: 4, make -j4 > Kernel build for GENERIC-NODBG completed on Tue Jan 19 04:04:25 PST = 2021 > Kernel(s) GENERIC-NODBG built in 1166 seconds, ncpu: 4, make -j4 >=20 > So World+Kernel took a little under 4.5 hrs to build (-j4). >=20 >=20 > The RPi4B 8GiByte's last timing was > ( arm_freq=3D2000, sdram_freq_min=3D3200, force_turbo=3D1, USB3 SSD > building releng/13 ): >=20 > World build completed on Tue Apr 20 14:34:38 PDT 2021 > World built in 22104 seconds, ncpu: 4, make -j4 > Kernel build for GENERIC-NODBG completed on Tue Apr 20 15:03:24 PDT = 2021 > Kernel(s) GENERIC-NODBG built in 1726 seconds, ncpu: 4, make -j4 >=20 > So World+Kernel took somewhat under 6 hrs 40 min to build. The -mcpu=3Dcortex-a72 use note also applies to the OverDrive 1000, MACCHIATObin Double Shot, and RPi4B 8 GiByte contexts. =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)