donb...@gmail.com (Don Williams) writes: > 18,000 companies w/MFs world-wide? Seems low.
re: http://www.garlic.com/~lynn/2013b.html#43 Article for the boss: COBOL will outlive us all estimate that there are 10k world-wide at 4k to 5k customers http://articles.economictimes.indiatimes.com/2010-08-10/news/27620495_1_mainframe-ibm-big-challenge this claims 15,000 installations http://www.forbes.com/2010/01/18/mainframe-security-enterprise-technology-cio-network-woods.html given mainframe processor revenue ... IBM has been selling approx. equivalent of 180 z196/yr (max configured, 80 processor, @$28M) 2002 the claim was 38,000 systems. with growth in processing power/system, installations could have done quite a bit of system consolidation over the last decade. z900, 16 processors, 2.5BIPS (156MIPS/proc), Dec2000 z990, 32 processors, 9BIPS, (281MIPS/proc), 2003 z9, 54 processors, 18BIPS (333MIPS/proc), July2005 z10, 64 processors, 30BIPS (469MIPS/proc), Feb2008 z196, 80 processors, 50BIPS (625MIPS/proc), Jul2010 EC12, 101 processors, 75BIPS (743MIPS/proc), Aug2012 a little over decade ago, I did some performance work on 450k statement cobol application that ran every night on over 40 max configured mainframe systems (@$30M, number of systems needed to finish during 3rd shift window; made big deal that no system was over 18m old); getting approx. 14% throughput improvement workload hasn't increased significantly since then, but max. configured mainframe performance has increased by factor of over 20 times. recent post in similar thread about article in a.f.c. http://www.garlic.com/~lynn/2013b.html#42 COBOL will outlive us all misc. past posts mentioning work on 450k statement cobol app: http://www.garlic.com/~lynn/2006u.html#50 Where can you get a Minor in Mainframe? http://www.garlic.com/~lynn/2007l.html#20 John W. Backus, 82, Fortran developer, dies http://www.garlic.com/~lynn/2007u.html#21 Distributed Computing http://www.garlic.com/~lynn/2008c.html#24 Job ad for z/OS systems programmer trainee http://www.garlic.com/~lynn/2008d.html#73 Price of CPU seconds http://www.garlic.com/~lynn/2008l.html#81 Intel: an expensive many-core future is ahead of us http://www.garlic.com/~lynn/2009d.html#5 Why do IBMers think disks are 'Direct Access'? http://www.garlic.com/~lynn/2009e.html#76 Architectural Diversity http://www.garlic.com/~lynn/2009f.html#55 Cobol hits 50 and keeps counting http://www.garlic.com/~lynn/2009g.html#20 IBM forecasts 'new world order' for financial services http://www.garlic.com/~lynn/2011c.html#35 If IBM Hadn't Bet the Company http://www.garlic.com/~lynn/2011f.html#32 At least two decades back, some gurus predicted that mainframes would disappear http://www.garlic.com/~lynn/2012i.html#25 Can anybody give me a clear idea about Cloud Computing in MAINFRAME ? -- virtualization experience starting Jan1968, online at home since Mar1970 ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
