The MemoryInUse command returns the number of bytes currently being used to store all data in the current Maple session.

$\mathrm{with}\left({\mathrm{MmaTranslator}}_{\mathrm{Mma}}\right)\:$

$\mathrm{MemoryInUse}\left(\right)$

$2285912$

$\mathrm{with}\left(\mathrm{MmaTranslator}\right)\:$

$\mathrm{FromMma}\left(\mathrm{`MemoryInUse[]`}\,\mathrm{evaluate}\right)$

$16143176$