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History of HPC in IBM and Challenge of Exascale - page 4 / 15

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© 2005 IBM Corporation

Page 4

Fortran - 1957

One of the oldest programming languages,FORTRAN was developed by a team of   programmers at IBM led by John Backus, and was first published in 1957. The name FORTRAN is an acronym for FORmulaTRANslation, because it was designed to

Often referred to as a scientific language,  FORTRAN was the first high-level language,                                       the development of FORTRAN computer                                     programmers were required to program in                                  machine/assembly code, which was an extremely                                difficult and time consuming task.

Since FORTRAN was so much easier to code, programmers were able to write programs 500% faster than before, while execution efficiency was only reduced by 20%, this allowed them to focus more on the problem solving aspects of a problem, and less on coding.

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