[Octave-bug-tracker] [bug #50561] 350X slower code for eps() written in C++ rather than an m-file

[Dan Sebald]

Follow-up Comment #5, bug #50561 (project octave):

Let me add that even though a LUT looks to be a lot of memory, say, 1K or 2K,
the machine code related to a pow() algorithm can be pretty big for an
inefficient instruction base like x86.  Of course, in this application the
pow() routines are present no matter what is done.  But if it were a case of
substituting a 2K LUT for excluding a pow() routine in the app, it would be a
fair trade.

    _______________________________________________________

Reply to this item at:

  <http://savannah.gnu.org/bugs/?50561>

_______________________________________________
  Message sent via/by Savannah
  http://savannah.gnu.org/