Toward an FPGA implementation of XCS

We present a very first step toward the implementation of the XCS classifier system on field programmable gate arrays. We introduce a version of the XCS classifier system completely based on integer arithmetic instead of the usual floating point one. We test the integer based XCS, that we name XCS_i, on the typical Boolean functions used in literature. The results we present show that, notwithstanding the dramatic reduction of available precision, XCS_i can perform rather well reaching optimality in all problems though in most cases it converges more slowly than the classical floating point version.