TS>
  >                                           there have been
  > studies that the straight-forward approach when coding an
  > algorithm yields the best results after compiler
  > optimization, and the manually optimized code could not be
  > optimized by the compiler and was much worse than all other
  > ones.
TS>

  For three reasons :

    1.  Humans are not as good at the repetitve drudge of hand-optimising
        as computers are, and are liable to miss opportunities, or
        (possibly as a result of misunderstanding of machine-level issues)
        to make changes that actually result in poorer code rather than
        better.

    2.  It is easier for a compiler writer to recognise and implement
        optimisation for a well-known straightforward algorithm.

    3.  Most compiler writers assume that programmers will write
        straightforward code anyway.

  > JdeBP <
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