[Octave-bug-tracker] [bug #63791] movfun - high intermediate memory use for moderate data input resulting in out of memory errors

[Liang Tang]

Follow-up Comment #26, bug #63791 (project octave):

@rik, 

single related.  In movfun, only input (x) is single.  

300:     y(C,:) = fcn (x(slcidx));


  Attr   Name         Size                     Bytes  Class
  ====   ====         ====                     =====  =====
    f    C            1x999488                    24  double
    f    Cpos         1x256                       24  double
    f    Cpre         1x256                       24  double
         N            1x1                          8  double
         ans          1x1                          1  logical
    f    bcfcn        1x1                          0  function_handle
    f    fcn          1x1                          0  function_handle
    f    odim         1x1                          8  double
    f    slcidx     513x999488            4101898752  double
    f    win        513x1                       4104  double
    f    wlen         1x2                         16  double
    f    x      1000000x1                    4000000  single
    f    y      1000000x1                    8000000  double

Total is 515737864 elements using 4113902961 bytes


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