Mathematica > Systems Interfaces & Deployment > Mathematica System Setup > System Information > $SystemWordLength
BUILT-IN MATHEMATICA SYMBOL

$SystemWordLength

$SystemWordLength
gives the effective number of bits in raw machine words on the computer system where Mathematica is running.

DetailsDetails

  • $SystemWordLength effectively gives the number of bits in memory addresses, or, more specifically, the length of a memory reference pointer.
  • On current computer systems, $SystemWordLength is 32 or 64.

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Basic Examples (1)Basic Examples (1)

Show the bit length of raw machine words:

In[1]:=
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Out[1]=
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