14. The data processing device of claim 11 , wherein the compression unit comprises a loading unit comprising a preset region and a load region, wherein a plurality of common dictionaries included in the plurality of dictionary sets is loaded in the preset region.
14. The data processing device of claim 11 , wherein the compression unit comprises a loading unit comprising a preset region and a load region, wherein a plurality of common dictionaries included in the plurality of dictionary sets is loaded in the preset region. 15. The data processing device of claim 14 , wherein the compression unit is configured to load the selected dictionary from the dictionary storage unit to the load region of the loading unit.