From owner-freebsd-questions@freebsd.org Sun Aug 30 06:43:08 2020 Return-Path: Delivered-To: freebsd-questions@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 9200F3CD8DD for ; Sun, 30 Aug 2020 06:43:08 +0000 (UTC) (envelope-from SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info) Received: from mail.sermon-archive.info (sermon-archive.info [71.177.216.148]) by mx1.freebsd.org (Postfix) with ESMTP id 4BfP0q5mT0z4g42 for ; Sun, 30 Aug 2020 06:43:07 +0000 (UTC) (envelope-from SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info) Received: from [10.0.1.251] (mini [10.0.1.251]) by mail.sermon-archive.info (Postfix) with ESMTPSA id 4BfP0j1xSJz2fjPg; Sat, 29 Aug 2020 23:43:01 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.15\)) Subject: Re: (very OT) Ideal partition schemes (history of partitioning) From: Doug Hardie In-Reply-To: Date: Sat, 29 Aug 2020 23:43:00 -0700 Cc: User Questions Content-Transfer-Encoding: quoted-printable Message-Id: References: <20200829154417.8dd5f83d.freebsd@edvax.de> To: Valeri Galtsev X-Mailer: Apple Mail (2.3445.104.15) X-Virus-Scanned: clamav-milter 0.101.4 at mail X-Virus-Status: Clean X-Rspamd-Queue-Id: 4BfP0q5mT0z4g42 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=pass (mx1.freebsd.org: domain of SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info designates 71.177.216.148 as permitted sender) smtp.mailfrom=SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info X-Spamd-Result: default: False [-1.93 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-0.98)[-0.981]; FROM_HAS_DN(0.00)[]; MV_CASE(0.50)[]; R_SPF_ALLOW(-0.20)[+ip4:71.177.216.148]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[lafn.org: no valid DMARC record]; NEURAL_HAM_LONG(-0.93)[-0.933]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; NEURAL_HAM_SHORT(-0.62)[-0.617]; RCPT_COUNT_TWO(0.00)[2]; FORGED_SENDER(0.30)[bc979@lafn.org,SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info]; RCVD_NO_TLS_LAST(0.10)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; ASN(0.00)[asn:5650, ipnet:71.177.216.0/23, country:US]; FROM_NEQ_ENVFROM(0.00)[bc979@lafn.org,SRS0=kDsy=CI=mail.sermon-archive.info=doug@sermon-archive.info]; MAILMAN_DEST(0.00)[freebsd-questions] X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 30 Aug 2020 06:43:08 -0000 -- Doug > On 29 August 2020, at 20:00, Valeri Galtsev = wrote: >=20 >=20 >=20 >=20 > I really hope, someone mentions other machines with 3 address command = system, I really would like to know if the existed. Except BESM-6 which = was built of bipolar transistor blocks, and it predecessor BESM-4 build = on vacuum tubes. >=20 According to Wikipedia: Due to the large number of bits needed to encode the three registers of = a 3-operand instruction, RISC architectures that have 16-bit = instructions are invariably 2-operand designs, such as the Atmel AVR, TI = MSP430, and some versions of ARM Thumb. RISC architectures that have = 32-bit instructions are usually 3-operand designs, such as the ARM, = AVR32, MIPS, Power ISA, and SPARC architectures. I have no experience with any of those. -- Doug