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[107.215.223.229]) by smtp.gmail.com with ESMTPSA id cv8sm8126454oab.39.2022.02.17.13.44.07 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Feb 2022 13:44:08 -0800 (PST) From: Bakul Shah Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3693.60.0.1.1\)) Date: Thu, 17 Feb 2022 13:44:07 -0800 References: <202202160754.21G7sbUa011318@freefriends.org> <1nKFRN-4IZ-00@marmaro.de> <8735kig8vb.fsf@vuxu.org> To: The Eunuchs Hysterical Society In-Reply-To: Message-Id: <4E3028A1-EC08-424A-B814-CC2AEEEAEC7B@iitbombay.org> X-Mailer: Apple Mail (2.3693.60.0.1.1) Subject: Re: [TUHS] Lorinda Cherry X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On Feb 17, 2022, at 1:18 PM, Dave Horsfall wrote: >=20 > On Thu, 17 Feb 2022, Tom Ivar Helbekkmo via TUHS wrote: >=20 >> Watching the prime number generator (from the Wikipedia page on dc)=20= >> running on the 11/23 is much more entertaining than doing it on the=20= >> modern workstation I'm typing this on: >>=20 >> 2p3p[dl!d2+s!%0=3D@l!l^!<#]s#[s/0ds^]s@[p]s&[ddvs^3s!l#x0<&2+l.x]ds.x >=20 > Wow... About 10s on my old MacBook Pro, and I gave up on my ancient=20= > FreeBSD box. That may be because FreeBSD continues computing primes while the MacOS dc gives up after a while! freebsd (ryzen 2700 3.2Ghz): # note: I interrupted dc after a while $ command time dc <<< = '2p3p[dl!d2+s!%0=3D@l!l^!<#]s#[s/0ds^]s@[p]s&[ddvs^3s!l#x0<&2+l.x]ds.x' = > xxx ^C 11.93 real 11.79 user 0.13 sys $ wc xxx 47161 47161 319109 xxx $ size `which dc` text data bss dec hex filename 238159 2784 11072 252015 0x3d86f /usr/bin/dc MacOS (m1 pro, prob. 2Ghz) $ command time dc <<< = '2p3p[dl!d2+s!%0=3D@l!l^!<#]s#[s/0ds^]s@[p]s&[ddvs^3s!l#x0<&2+l.x]ds.x' = > xxx time: command terminated abnormally 1.00 real 0.98 user 0.01 sys [2] 37135 segmentation fault command time dc <<< > xxx $ wc xxx 7342 7342 42626 xxx $ size `which dc` __TEXT __DATA __OBJC others dec hex 32768 16384 0 4295016448 4295065600 100018000