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Mon, 20 Sep 2021 20:58:17 +0000 Received: by kubenode585.mail-prod1.omega.bf1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID dd19d91774203159049d86ea38274fd0; Mon, 20 Sep 2021 20:58:13 +0000 (UTC) Message-Id: Content-Type: multipart/alternative; boundary="Apple-Mail=_5918A16A-BBAF-4BCB-94DB-3F6857FFB5C3" List-Id: Porting software to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-ports List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-ports@freebsd.org X-BeenThere: freebsd-ports@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.120.0.1.13\)) Subject: Re: armv7 target (on aarch64 HW) and poudriere-based emulators/mame link failure vs. success based on the number of cores Date: Mon, 20 Sep 2021 13:58:10 -0700 In-Reply-To: <7EC14B75-654D-45BA-8260-B3D922B81603@gmail.com> Cc: freebsd-ports@freebsd.org To: =?utf-8?Q?Lucas_Nali_de_Magalh=C3=A3es?= References: <64B80EEA-DECC-4286-AC80-5BE55B7F19D4@yahoo.com> <7EC14B75-654D-45BA-8260-B3D922B81603@gmail.com> X-Mailer: Apple Mail (2.3654.120.0.1.13) X-Rspamd-Queue-Id: 4HCxjX2stdz3Dt8 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] Reply-To: marklmi@yahoo.com From: Mark Millard via freebsd-ports X-Original-From: Mark Millard X-ThisMailContainsUnwantedMimeParts: Y --Apple-Mail=_5918A16A-BBAF-4BCB-94DB-3F6857FFB5C3 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 On 2021-Sep-20, at 12:54, Lucas Nali de Magalh=C3=A3es = wrote: > On Sep 19, 2021, at 6:14 AM, Mark Millard via freebsd-toolchain = wrote:(=E2=80=A6) >=20 > (=E2=80=A6) >=20 > The HoneyComb failure looks to me like like hitting the process > size limitations for armv7, something that did not happen on the > MACCHIATObin Double Shot or RPi4B (fewer cores). >=20 > It looks to me like 32-bit architectures (such as armv7) should > possibly have the multi-threaded link disabled by default > for FreeBSD unless ports are adjusted to disable multi-threaded > individually. >=20 > (=E2=80=A6) There are a few a few problems with your analysis: 32 and 64 bit architectures sizes aren't that small and much of all OSes today evolved around extending these sizes. This doesn't means that one can not use all of it but that the analysis requires a little more = "salt". So it looks like you used all of something=E2=80=A6 maybe you need to = adjust some numbers somewhere. Then, processes and threads existed far before the existence of multicore desktop CPUs. Running with more threads/processes than the number of cores you have only means that some swapping *may be* necessary. If you have enough RAM, swap isn't really necessary. So I = think this makes your suggestion ridiculous. --=20 rollingbits =E2=80=94 =F0=9F=93=A7 rollingbits@icloud.com = =F0=9F=93=A7 rollingbits@gmail.com = =F0=9F=93=A7 rollingbits@yahoo.com = =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar) --Apple-Mail=_5918A16A-BBAF-4BCB-94DB-3F6857FFB5C3--