Efficient and reliable communication between software components is crucial for real-time data processing. Inter-process communication (IPC) plays a central role in enabling seamless collaboration among various modules within these systems. Traditional IPC methods involve copying data between processes, introducing latency and consuming computational resources.
To address the stringent requirements of ADAS and AD applications, a zero-copy mechanism has emerged as a key innovation in middleware design. This approach eliminates the need for redundant data copying, allowing processes to exchange information directly through shared memory.
The zero-copy mechanism significantly reduces latency, a critical factor in handling large volumes of sensor data in real-time scenarios. This paper explores the relevance and benefits of zero-copy IPC in the ADAS/AD domain, emphasizing its role in achieving faster, more efficient, and dependable communication between software components.
Learn more about high-speed communication demands of ADAS/AD systems.
The Inter-Process Communication in ETAS DMS is provided by a software library. This library guarantees high-performance communication between ETAS DMS components up to multiple GBytes/sec by using true zero-copy communication over shared memory.
The communication data and the communication dependencies between the different ETAS DMS components are specified in the YAAA files.