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Hermes SMTP Server) with ESMTPA ID 7ee745ee3fea116c74156caac698af85; Tue, 17 Feb 2026 06:59:10 +0000 (UTC) Message-ID: <0c9c546a-5c22-400e-82cc-907eac08fde2@yahoo.com> Date: Mon, 16 Feb 2026 22:59:09 -0800 List-Id: Production branch of FreeBSD source code List-Archive: https://lists.freebsd.org/archives/freebsd-stable List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-stable@freebsd.org Sender: owner-freebsd-stable@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Content-Language: en-US To: freebsd-stable@freebsd.org From: Mark Millard Subject: FYI: Variability in build times for qt6-webengine-6.10.1_2 on ampere4 and ampere5 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit References: <0c9c546a-5c22-400e-82cc-907eac08fde2.ref@yahoo.com> X-Mailer: WebService/1.1.25198 mail.backend.jedi.jws.acl:role.jedi.acl.token.atz.jws.hermes.yahoo X-Spamd-Result: default: False [-3.94 / 15.00]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.94)[-0.942]; DMARC_POLICY_ALLOW(-0.50)[yahoo.com,reject]; R_SPF_ALLOW(-0.20)[+ptr:yahoo.com]; R_DKIM_ALLOW(-0.20)[yahoo.com:s=s2048]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCPT_COUNT_ONE(0.00)[1]; DWL_DNSWL_NONE(0.00)[yahoo.com:dkim]; FREEMAIL_FROM(0.00)[yahoo.com]; FROM_HAS_DN(0.00)[]; ASN(0.00)[asn:36647, ipnet:98.137.64.0/20, country:US]; FREEMAIL_ENVFROM(0.00)[yahoo.com]; TO_DN_NONE(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FROM_EQ_ENVFROM(0.00)[]; DKIM_TRACE(0.00)[yahoo.com:+]; MLMMJ_DEST(0.00)[freebsd-stable@freebsd.org]; RWL_MAILSPIKE_POSSIBLE(0.00)[98.137.66.148:from]; MID_RHS_MATCH_FROM(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[98.137.66.148:from] X-Rspamd-Queue-Id: 4fFVqr2vBJz48W2 X-Spamd-Bar: --- Prior numbers were based on just (nearly?) from scratch builds of the port-packages. This illustrates also with much smaller overall builds. Examples from official ampere4/5 builder records: Built+Failed for the below: ampere4 143arm64 1475+107 vs. 35759+111 ampere5 150arm64 1476+130 vs. 35748+127 ampere4 143arm64 qt6-webengine-6.10.1_2 20:10:22 vs. 27:06:38 ampere5 150arm64 qt6-webengine-6.10.1_2 29:54:49 vs. 41:25:10 approx. ratio (ampere5/ampere4) 1.48 vs. 1.53 So the shorter times are from much smaller incremental builds and the larger times are from (near?) from-scratch builds. ampere4 and ampere5 are reportedly nearly identical systems --so not expected to have large performance ratios if the same work is being done. Note: Various other long build time port packages do not have such large ratios. -- === Mark Millard marklmi at yahoo.com