From owner-freebsd-arm@freebsd.org Wed Sep 23 03:17:03 2020 Return-Path: <owner-freebsd-arm@freebsd.org> Delivered-To: freebsd-arm@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id EBE143EB604 for <freebsd-arm@mailman.nyi.freebsd.org>; Wed, 23 Sep 2020 03:17:03 +0000 (UTC) (envelope-from marklmi@yahoo.com) Received: from sonic317-21.consmr.mail.gq1.yahoo.com (sonic317-21.consmr.mail.gq1.yahoo.com [98.137.66.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4Bx3Hz0mHVz4Cb1 for <freebsd-arm@freebsd.org>; Wed, 23 Sep 2020 03:17:02 +0000 (UTC) (envelope-from marklmi@yahoo.com) X-YMail-OSG: 4b_HfssVM1mpxYaUN3UtdSuA3ijo8vFxeZF_QwGr1O3zMeTVpsKmxKwb.9Ti5.c tWakdvtjfipliBLjQPhqV9fG_AczxB97VeoGo_IjiKgqlHcXz71FgtY888XEXBD.V.YhNSl1Zuaj LuQChn8YTFY6GYW13oFv0W2LC5w0RSY4TDk0ZKFCXoMVsjNGz65qQzg7mgvjlCy2eBj9uqESisUC YEWVP2kBVpSlKAfvFATunihQ1qhZNc.wU5XTTeiMlVE2_RQjXhWXZdHEQ0Q1wY3.JDjanDaR0jw5 aa0zHyEyMwPSQYz07lFeX4NUNTy5xuQyqJkNr_YVHyTi7GPlSNk3i.5K775RForsjJupcS5tqVnK SSQAm.HRLW1PYDkLGkeN86OwfBOq4r2x0_h.pqiGY4sBArj7.4TGXadlKXFCBNRT5AZxNzopjPdS iwPFB1jkucw_RYU8Anf90s7_CUOiV4HNcX_N3LMW8X1uvEpmmIyxK5Kemq_SiqyNP1TLAwOD0poA Q4YWOSWJ0GAnR0F_09HLMLCRQCG5bBfxZcxpcW0lSvUBcJ_AIsteZESNMzyI7vjCXpHFAPP7ovDU dvji.ooFrqw9nO0u5TAiwJv_LTX1wqVWQFVhqkqcDo6z4TuMEZpXcb59C8EsKBWpbL_OhlSfM5RN x8bcMVw3LGny2iDmZmSK0rytY2T_1o6tgsMDcKKc8XA2cbxLl9qWg9XqQEkpUOALbA9GS0cJcbnX Mc4UVr134BRN9lQ6uOzm1T_Ohq9RsfC20s.Xn53xfhGaGU3t4926w0XnG3xjIk3NXexG3lLBxqNC MFElaxWxpztoJg2GSJ57iUmYQ51Wo_jlmOyQDLycxhTDlFz2cEr.dpW0cZ49Y74qIHXWi1xzC0TT wuaOrVd7fIHttDnbVxlhgGp9aKL151MhOw7acIGcBp4XWN1V8oyPQtoLI6FW1G.o1DiA7rCsmycw 65NJYKzb8phTe1BibIibUHPRXxmoe86l8GlXEpP76atmyEwgIpfkVD2ZjDYVxX167VxBXn.cpJwq sN6RJM0dF0BN.EyNos9yz_vfw0Y9CpzIghTj464LwjcAcErCfwR4sFvUF13VjF0x02CIMpeD2l_t AlT94plzJM0ryFitGGdO9BS297kXHBQ5CqzecdRZvnOnzhxvEJqY.xdDSioEQl2MMuPc8TiOfVqw lS2.aN3GXmZYCCX8eDp8mLux0u0ppmfZbj3XrfrGNyWLAqgrT.8QBGP1LPk.muP1a5Ko0IZoFqx_ PzO7oL5QEAj7pYWVTXrOe5ZgQ_Vpcp5J4Hfrlp8bM.Fdm4FwIRX1DuonTnm0UcuZash8YrkHkQW1 mzIYUO8laLiA.WCei2MnwyF2Q86a1RZVxl97D1uTii3xJ_MWYtSuYakMWw8sWVCxLUtcChHovsxe ts5Ibij6EKX.yje8KdysEhvdnb.j54O01Blf5TOdgc0O4BpV5HYQb77B0X0Gq5gtqvIYGPZR0Wa. 6eONMVfPwKzHRjlyXr4736EOxUeKaWZcPGt4j3fmTziD.8j4vdqS0lDQ- Received: from sonic.gate.mail.ne1.yahoo.com by sonic317.consmr.mail.gq1.yahoo.com with HTTP; Wed, 23 Sep 2020 03:17:00 +0000 Received: by smtp411.mail.gq1.yahoo.com (VZM Hermes SMTP Server) with ESMTPA ID 79df9d7de74047d2ca5e6b625bdb4a6e; Wed, 23 Sep 2020 03:16:56 +0000 (UTC) From: Mark Millard <marklmi@yahoo.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Subject: Re: RPi4B buildworld buildkernel times for already installed system being -mcpu=cortex-a72 vs. -mcpu=cortex-a53 based Date: Tue, 22 Sep 2020 20:16:55 -0700 References: <4E155E94-3AA0-464D-A1E9-45A7827537ED@yahoo.com> <A59A0896-5A24-4C05-AD15-DCC27F25B927@yahoo.com> To: freebsd-arm <freebsd-arm@freebsd.org> In-Reply-To: <A59A0896-5A24-4C05-AD15-DCC27F25B927@yahoo.com> Message-Id: <DC890C6C-67BE-4E93-8BEC-81102028C142@yahoo.com> X-Mailer: Apple Mail (2.3608.120.23.2.1) X-Rspamd-Queue-Id: 4Bx3Hz0mHVz4Cb1 X-Spamd-Bar: -- X-Spamd-Result: default: False [-2.57 / 15.00]; FREEMAIL_FROM(0.00)[yahoo.com]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; NEURAL_HAM_SHORT(-0.07)[-0.067]; FROM_EQ_ENVFROM(0.00)[]; RCVD_TLS_LAST(0.00)[]; MIME_TRACE(0.00)[0:+]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; MID_RHS_MATCH_FROM(0.00)[]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.98)[-0.984]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; FROM_HAS_DN(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; NEURAL_HAM_LONG(-1.02)[-1.019]; MIME_GOOD(-0.10)[text/plain]; RCPT_COUNT_ONE(0.00)[1]; RCVD_IN_DNSWL_NONE(0.00)[98.137.66.147:from]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.66.147:from]; RCVD_COUNT_TWO(0.00)[2]; MAILMAN_DEST(0.00)[freebsd-arm] X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: "Porting FreeBSD to ARM processors." <freebsd-arm.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm/> List-Post: <mailto:freebsd-arm@freebsd.org> List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=subscribe> X-List-Received-Date: Wed, 23 Sep 2020 03:17:04 -0000 On 2020-Sep-20, at 18:40, Mark Millard <marklmi at yahoo.com> wrote: > On 2020-Sep-20, at 18:32, Mark Millard <marklmi at yahoo.com> wrote: >=20 >> The following are from scratch buildworld buildkernel rebuilds >> on a RPi4B (head -r363590 context). >>=20 >> ENVIRONMENT: -mcpu=3Dcortex-a72 based world and kernel running = already, RPi4B @ 2G Hz, >> Restricted to 3 GiByte RAM, -j3: >>=20 >> World built in 37469 seconds, ncpu: 4, make -j3 >> Kernel(s) GENERIC-NODBG built in 2474 seconds, ncpu: 4, make -j3 >>=20 >> ENVIRONMENT: -mcpu=3Dcortex-a53 based kernel running, RPi4B @ 2G Hz, >> Restricted to 3 GiByte RAM, -j3: >>=20 >> World built in 44034 seconds, ncpu: 4, make -j3 >> Kernel(s) GENERIC-NODBG built in 2895 seconds, ncpu: 4, make -j3 >>=20 >> So a little under 11.1 hr total vs. a little over 13.0 hr total, >> a somewhat over 50 min improvement. >=20 > "a somewhat over 1hr 50 min improvement" is what I should have > managed to type. Some experiments indicate that the faster result may be rather dependent on clang 10 -O use vs. clang 11 -O vs. -O2 use as well as use of -mcpu=3Dcortex-a72 . Jumping from clang 10 -O to clang 11 -O2 for the FreeBSD kernel build in use looks like it might revert to more like the older times for buildworld buildkernel. (clang 11 -O is -O1 instead of the historical -O2 .) But I've not rerun any build tests to know for sure. clang 11's use -f -O meaning -O1 is causing FreeBSD-kernel-build problems when DEBUG is defined --from lack of inlining in some environments. FreeBSD may switch to use of -O2 explicitly for all platforms. (I build non-debug [no witness and such] with DEBUG=3D-g forced. My context is now forcing -O2 currently because powerpc64 has the inlining problem and I'm checking if the uniform setting works uniformly across what I have access to.) >> (A xhci patch finally allowed me to boot -mcpu=3Dcortex-a72 >> based kernel builds on the RPi4B: The xhci event ring >> initialization code was missing a usb_bus_mem_flush_all >> call previously.) >>=20 >>=20 >> Supporting details: >>=20 >> (e-mail based spacing changes expected below) >>=20 >> # diff -u = ~/src.configs/src.conf.cortexA72-clang-bootstrap.aarch64-host = ~/src.configs/src.conf.cortexA53-clang-bootstrap.aarch64-host >> --- /root/src.configs/src.conf.cortexA72-clang-bootstrap.aarch64-host = 2020-03-13 22:29:25.470155000 -0700 >> +++ /root/src.configs/src.conf.cortexA53-clang-bootstrap.aarch64-host = 2020-03-13 22:29:25.469455000 -0700 >> @@ -49,9 +49,9 @@ >> # Use of the .clang 's here avoids >> # interfering with other C<?>FLAGS >> # usage, such as ?=3D usage. >> -CFLAGS.clang+=3D -mcpu=3Dcortex-a72 >> -CXXFLAGS.clang+=3D -mcpu=3Dcortex-a72 >> -CPPFLAGS.clang+=3D -mcpu=3Dcortex-a72 >> -ACFLAGS.arm64cpuid.S+=3D -mcpu=3Dcortex-a72+crypto >> -ACFLAGS.aesv8-armx.S+=3D -mcpu=3Dcortex-a72+crypto >> -ACFLAGS.ghashv8-armx.S+=3D -mcpu=3Dcortex-a72+crypto >> +CFLAGS.clang+=3D -mcpu=3Dcortex-a53 >> +CXXFLAGS.clang+=3D -mcpu=3Dcortex-a53 >> +CPPFLAGS.clang+=3D -mcpu=3Dcortex-a53 >> +ACFLAGS.arm64cpuid.S+=3D -mcpu=3Dcortex-a53+crypto >> +ACFLAGS.aesv8-armx.S+=3D -mcpu=3Dcortex-a53+crypto >> +ACFLAGS.ghashv8-armx.S+=3D -mcpu=3Dcortex-a53+crypto >>=20 >>=20 >> The .amd64-host files are similar for doing cross builds. >>=20 >> I also use +=3D in secure/lib/libcrypto/Makefile : >>=20 >> # svnlite diff /usr/src/secure/lib/libcrypto/Makefile >> Index: /usr/src/secure/lib/libcrypto/Makefile >> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D >> --- /usr/src/secure/lib/libcrypto/Makefile (revision 365919) >> +++ /usr/src/secure/lib/libcrypto/Makefile (working copy) >> @@ -20,7 +20,7 @@ >> SRCS+=3D o_str.c o_time.c threads_pthread.c uid.c >> .if defined(ASM_aarch64) >> SRCS+=3D arm64cpuid.S armcap.c >> -ACFLAGS.arm64cpuid.S=3D -march=3Darmv8-a+crypto >> +ACFLAGS.arm64cpuid.S+=3D -march=3Darmv8-a+crypto >> .elif defined(ASM_amd64) >> SRCS+=3D x86_64cpuid.S >> .elif defined(ASM_arm) >> @@ -35,7 +35,7 @@ >> SRCS+=3D aes_cbc.c aes_cfb.c aes_ecb.c aes_ige.c aes_misc.c = aes_ofb.c aes_wrap.c >> .if defined(ASM_aarch64) >> SRCS+=3D aes_core.c aesv8-armx.S vpaes-armv8.S >> -ACFLAGS.aesv8-armx.S=3D -march=3Darmv8-a+crypto >> +ACFLAGS.aesv8-armx.S+=3D -march=3Darmv8-a+crypto >> .elif defined(ASM_amd64) >> SRCS+=3D aes_core.c aesni-mb-x86_64.S aesni-sha1-x86_64.S = aesni-sha256-x86_64.S >> SRCS+=3D aesni-x86_64.S vpaes-x86_64.S >> @@ -242,7 +242,7 @@ >> SRCS+=3D ofb128.c wrap128.c xts128.c >> .if defined(ASM_aarch64) >> SRCS+=3D ghashv8-armx.S >> -ACFLAGS.ghashv8-armx.S=3D -march=3Darmv8-a+crypto >> +ACFLAGS.ghashv8-armx.S+=3D -march=3Darmv8-a+crypto >> .elif defined(ASM_amd64) >> SRCS+=3D aesni-gcm-x86_64.S ghash-x86_64.S >> .elif defined(ASM_arm) >>=20 >> The RPi4B is using: >>=20 >> over_voltage=3D6 >> arm_freq=3D2000 >>=20 >> and was booted via uefi/ACPI. >>=20 >> I have not repeated the -j4 or other -jN comparisons that >> I reported in the past. The -mcpu=3Dcortex-a53 figures are >> from the past. >=20 =3D=3D=3D Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)