Systems and methods for data compression

A non-transitory computer readable medium, storing executable instructions configured to perform, upon execution at an associated processor, a method comprising:

• scanning an initial series of bytes to determine a frequency of occurrence within the initial series of bytes for a plurality of byte strings;
• generating a data structure containing the plurality of byte strings and respective count values representing a frequency of occurrence for the plurality of byte strings in the initial series of bytes;
• determining a most common byte string of the plurality of byte strings in the initial series of bytes from the count values;
• replacing each instance of the most common byte string in the initial series of bytes with a first substitute byte string to form a revised series of bytes;
• and
• determining a most common byte string in the revised series of bytes from the data structure without resetting the count values associated with at least some of the plurality of byte strings.