English Wikipedia @ Freddythechick:Reference desk/Archives/Computing/2018 February 8

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February 8

63-pass compiler?

At 22:24 into this video about FORTRAN II on an IBM 1401, he says that it is a 63-pass compiler. I know about multi-pass compilers, but why so many passes? Bubba73 You talkin' to me? 00:48, 8 February 2018 (UTC)

Well, this is addressed in the IBM 1401 FORTRAN section of FORTRAN. Bubba73 You talkin' to me? 01:23, 8 February 2018 (UTC)
When memory was measured in bytes, and programs that run instantly on today's PCs would take hours to finish, you went to some lengths. See also The Story of Mel; although it recounts an extreme case, such techniques were not that rare in those days. --47.157.122.192 (talk) 06:37, 8 February 2018 (UTC)
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