1. A processor comprising: a front end unit including an instruction fetch unit and a decode unit; an execution engine coupled to the front end unit; and a memory unit coupled to the execution engine and including a first cache, wherein the processor is to read a first portion of a plurality of portions of a data word from a first portion of the first cache and read a second portion of the plurality of portions from a second memory, wherein the first portion is to be processed before the second portion, and the second memory is distinct from the first cache based on at least a physical attribute.