Deutsch English Français Italiano |
<vq1u9t$r2pe$1@dont-email.me> View for Bookmarking (what is this?) Look up another Usenet article |
Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Robert Swindells <rjs@fdy2.co.uk> Newsgroups: comp.arch Subject: Re: Why VAX Was the Ultimate CISC and Not RISC Date: Sun, 2 Mar 2025 15:42:53 -0000 (UTC) Organization: A noiseless patient Spider Lines: 16 Message-ID: <vq1u9t$r2pe$1@dont-email.me> References: <vpufbv$4qc5$1@dont-email.me> <2025Mar1.125817@mips.complang.tuwien.ac.at> <dde4cf4961bc821b99d96fc830ad53bd@www.novabbs.org> <2025Mar2.103437@mips.complang.tuwien.ac.at> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sun, 02 Mar 2025 16:42:54 +0100 (CET) Injection-Info: dont-email.me; posting-host="7eea4e319dd6102e7e524053cdef0421"; logging-data="887598"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19BcQrSp1hjh0y2PJlmO6mx/Z1rmQgNVsc=" User-Agent: Pan/0.160 (Toresk; ) Cancel-Lock: sha1:dRDSErBUYuL+Bja6P6DT4MbzV70= Bytes: 1841 On Sun, 02 Mar 2025 09:34:37 GMT, Anton Ertl wrote: > mitchalsup@aol.com (MitchAlsup1) writes: > >>A pipelined machine in 1978 would have had 50% to 100% more circuit >>boards than VAX 11/780, making it a lot more expensive. > > What makes you think that a pipelined single-issue RV32GC would take > more circuit boards than VAX11/780? I have no data about discrete > implementations, but if we look at integrated ones and assume that the > number of transistors or the area corresponds to the number of circuit > boards in discrete implementations, the evidence goes in the opposite > direction: You could look at the MIT Lisp Machine, it used basically the same chips as a VAX 11/780 but was a pipelined load/store architecture internally.