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Article #22931Re: Code density and performance?
From: Anne & Lynn Wheeler
Date: Thu, 18 May 2006 01:19
Date: Thu, 18 May 2006 01:19
27 lines
2828 bytes
2828 bytes
Peter Flass <Peter_Flass@Yahoo.com> writes: > Don't know about HP, bit it's also IBM: > http://www.research.ibm.com/journal/rd/483/heller.html re: http://www.garlic.com/~lynn/2006j.html#32 Code density and performance? the above journal artcile reference mentions 1997 for millicode. it mentions millicode being needed for (at least) sie and pr/sm. pr/sm was done about a decade earlier on 3090 (and was significantly more difficult in native microcode). this is a recent posting including email from jun81 mentioning sie effort for 3090 http://www.garlic.com/~lynn/2006j.html#27 virtual memory this mention of macrocode http://www.garlic.com/~lynn/2006b.html#38 blast from the past ... macrocode has piece of email from mar81 that mentions the (then) announced amdhal 5880 with macrocode (and used for hypervisor implementation). i had first started running into references regarding amdahl's work on macrocode the previous year (mar80). -- Anne & Lynn Wheeler | http://www.garlic.com/~lynn/
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X-Google-Thread: 102b75,f5343a7fd6ae03ee X-Google-Thread: fd705,3114ea7039953152 X-Google-Thread: 103c88,31ee4beac5c10fd5,start X-Google-Attributes: gid102b75,gidfd705,gid103c88,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!news3.google.com!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp.dca.giganews.com!nntp.comcast.com!news.comcast.com.POSTED!not-for-mail NNTP-Posting-Date: Wed, 17 May 2006 20:19:08 -0500 From: Anne & Lynn Wheeler <lynn@garlic.com> Newsgroups: comp.arch,alt.folklore.computers,bit.listserv.vmesa-l Subject: Re: Code density and performance? References: <1121268916.121222.132360@g49g2000cwa.googlegroups.com> <1121333201.729594.240150@g47g2000cwa.googlegroups.com> <db5blb$kl8$1@gemini.csx.cam.ac.uk> <etSBe.3051$_%4.1302@newssvr14.news.prodigy.com> <71DDFF46.746DB7FC@sympaticoREMOVE.ca> <14ydnaYGKIoy4fbZnZ2dnUVZ_uudnZ2d@comcast.com> <1147896060.792874.177150@y43g2000cwc.googlegroups.com> <S9Oag.1130$5W2.231@twister.nyroc.rr.com> Date: Wed, 17 May 2006 19:19:05 -0600 Message-ID: <m3sln85dva.fsf@lhwlinux.garlic.com> Organization: Wheeler&Wheeler User-Agent: Gnus/5.110006 (No Gnus v0.6) Emacs/21.4 (gnu/linux) Cancel-Lock: sha1:OR+9R1Dh0ZNMYlTGjZH7pKHo+LI= MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Lines: 27 NNTP-Posting-Host: 71.196.175.130 X-Trace: sv3-vLUeGm3f/5j8ct1njMojKiqEH1ikFgqeGaOihbdFQsynt4Nq/9StT1ZT3b9NHkx44ZgGrMOVqFMtRgg!l+8cEVZE4YhtdHHWDC70sHY3rNZZ0e+wvIs+vbf10FCULCospupHw+UPdeuRLziiUU6Wm3Bvzf4r!FA== X-Complaints-To: abuse@comcast.net X-DMCA-Complaints-To: dmca@comcast.net X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.32