Was FORTRAN buggy 4329
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On Sun, 24 Sep 2006 11:19:25 -0700 in alt.folklore.computers, John
some claim that putting in a non-engineering type as head of the disk division in the late...
Barry Boehm, et al. Software cost estimation with Cocomo II (with CD-ROM). Englewood Cliffs, NJ:Prentice-Hall, 2000. ISBN 0-13-02668 plus 12-2
and various quotes with citations at: especially
the cp67h updates to cp67 kernel (runs on 360-67, provides 360 virtual machines, and 370 virtual machines as an option). cp67i updates to cp67...
"Subtopic: programmer variation
Quote: choice of tester was a larger factor in test effectiveness than was the choice of test technique ÈlautL61989 Quote: up to 20x differences in programming time for experienced graduate students ÈprecL101999 Quote: operator interaction software changed 150K times by 549 programmers; top 50 programmers made majority of changes, top 2 made 7% of changes ÈeickSG42002 Quote: while top 1% of developers contributed 90% of added lines, only 3 core developers in top 15 problem reporters; system testing by Apache users ÈmockA72002 Quote: up to 30x performance ratio between the median programs of the upper and lower half Quote: wide variation in team productivity; 50x range ÈpotoTE101999 Quote: individual differences have a greater effect on performance than Java vs. C-C++ Quote: experienced programmers vary by an order of magnitude for most performance variables ÈsackH1970 Quote: statistics over a 12-year period show a 200:1 variation between the top programmer and the poorest programmers ÈbryaGE1994 Quote: the process has little effect on software inspections; most variation due to the reviewers, the code size, and its functionality ÈportA111997 Quote: in all studies of programming, individual differences in performance overshadow computer system differences ÈweinGM11974 Quote: while a quick reading of Sackman's paper gives 28:1 programmer variability the true figure is more 5:1 ÈprivatesTE71981 Quote: Sackman's programmer productivity experiment found 25:1 variation between best and worst programmer and 5:1 typical variation ÈfairRE1985 Quote: Strachey's first program was 20 pages long; after fixing a couple of errors, it ran to completion and played "God Save the King" ÈcampB41980"
-- Thanks. Take care, Brian Inglis Calgary, Alberta, Canada
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