SoC Event Messaging with Local-Global Classification
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Solution Overview
Problem
Existing System-on-Chip (SoC) architectures lack efficient methods for transmitting event messages with low latency and accurate classification across interconnected sub-blocks, leading to potential inefficiencies and delayed responses.
Innovation Solution
A method for integrated circuits with a messaging infrastructure that classifies events into local and global categories, enabling real-time transmission of event messages with specific class identification, allowing sub-blocks to respond appropriately and efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If event messages are transmitted across all sub-blocks in an SoC architecture, then all sub-blocks can respond to events, but transmission latency increases and response time is delayed
Solution Approach 1:
The patent segments the SoC event notification system into local and global event categories. Local events are transmitted only to sub-blocks within the same cluster or domain, while global events are transmitted to all sub-blocks. This segmentation reduces unnecessary transmissions to sub-blocks that don't need to respond to specific events, thereby reducing latency and improving response time while maintaining reliable notification for relevant sub-blocks.
2Productivity
If event classification is implemented to improve response efficiency, then targeted notifications can be sent, but system complexity increases
Solution Approach 1:
The patent implements event classification by changing the parameter of event identification to include event type categories (local vs. global). This allows the system to differentiate between event scopes and apply appropriate transmission strategies. The classification mechanism uses simple parameter tagging in event messages, enabling efficient targeted notifications without requiring complex classification logic or additional hardware structures.
Data Source
AI summary
A method for an integrated circuit including a plurality of interconnected sub-blocks in a System-on-Chip (SoC) arrangement is provided. The method includes transmitting a message from a first sub-block to at least one sub-block of the plurality of interconnected sub-blocks, in response to an event on the integrated circuit. The method further includes transmitting a signal from the first sub-block to the at least one sub-block of the plurality of interconnected sub-blocks. The signal includes information identifying a class of the event based on a classification of events associated to the integrated circuit into one or more classes.