why is octave 4.2.0 x86_64-w64-mingw32 so slow?

[Ray Tayek]

hi, new to octave. taking a machine learning course. i have a 4 core/8 
thread 4ghz 16gb pc.

cpu usage (20%) and memory usage (60% with other programs open) seem low 
when running the course programs.

one epoch is taking a couple of minutes.

any way to speed this up?

any pointers will be appreciated.

thanks


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