Mplab C18 347 Full Version Best [work]

If you are starting a , skip C18 v3.47 and use the latest MPLAB XC8 with MPLAB X IDE . If you are maintaining an old project that specifically requires C18, v3.47 is indeed the "best" version to have because it contains the final set of bug fixes and the most complete device header files for that era. Using the MPLAB® XC8 Compiler - Microchip Developer Help

A sophisticated optimization technique that identifies common code sequences and turns them into subroutines automatically. mplab c18 347 full version best