[Octave-bug-tracker] [bug #61912] Slow performance of complex()

[Hg200]

Follow-up Comment #8, bug #61912 (project octave):

Maybe this is a too simple argument but: If i take the loop-code from the
original posting its runtime is 0.190 over here. The fastest way to exit from
data.cc is when only one argument is passed, that is complex:


  if (nargin == 1)
    {
      octave_value arg = args(0);
      if (arg.iscomplex ())
        retval = arg;
      else



N = 1e5;
val = 1i*pi;
tic;
for i = 1 : N
  z = complex (val);
endfor
bm = toc


With this change the runtime is 0.183. Not much faster.

Additionally you can exchange complex() with other functions. For example
"isempty". Then the runtime is 0.168.

    _______________________________________________________

Reply to this item at:

  <https://savannah.gnu.org/bugs/?61912>

_______________________________________________
  Message sent via Savannah
  https://savannah.gnu.org/