An integrated approach to system development considers both the physical components and the instruction sets concurrently. This method contrasts with traditional sequential processes where one domain is addressed independently after the other. For example, instead of designing a processor first and then writing software for it, the processor architecture and software algorithms are developed in tandem, enabling optimizations that would be missed in a siloed approach.
This simultaneous engineering offers several advantages. Performance can be significantly improved by tailoring the hardware to efficiently execute specific software functions, and vice versa. Reduced power consumption and decreased development time are also frequently observed outcomes. Historically, this type of cross-disciplinary collaboration gained traction as system complexity increased and the need for efficient, specialized solutions became more apparent.