System performance analysis of an all programmable SoC block diagram

The performance of an SoC is measured at the device or system level, not at the interface or circuit block level. A primary component that determines performance is how effectively the system architecture handles shared resource contention. The connected blocks typically include the application processor unit (APU), interconnect, I/O peripherals, I/O, and memory controllers (static and dynamic) (Figure 1). Another important factor is the speed at which these blocks operate and the traffic they generate. These blocks can be grouped into subsystems such as the application processor unit, I/O subsystem, and memory subsystem. The memory subsystem, especially on an AP SoC, is the most critical shared resource subsystem that determines the SoC performance.

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