Dynamic Micro-Operation Execution Based on Resource Availability
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Solution Overview
Problem
Existing processor architectures statically split instructions into micro-operations, which may not optimize performance as it can lead to inefficiencies due to fixed mapping, potentially causing resource bottlenecks and stalls, regardless of resource availability.
Innovation Solution
Implementing processing circuitry with control circuitry that dynamically determines the number of micro-operations to execute based on the availability of processing resources, allowing for flexible partitioning of instructions into micro-operations at the issue stage, either combining or splitting them depending on resource availability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If instructions are statically split into micro-operations with fixed mapping, then the processor architecture is simpler to implement, but performance is reduced due to resource bottlenecks and stalls
Solution Approach 1:
The patent implements dynamic determination of micro-operation count based on real-time resource availability. Control circuitry monitors processing resource status and adjusts the number of micro-operations executed in response to instructions, transitioning from static fixed mapping to dynamic adaptive execution that optimizes performance based on current system state
Solution Approach 2:
The system changes the parameter of micro-operation count dynamically based on resource availability conditions. Control circuitry modifies execution parameters by determining how many micro-operations to execute based on monitored resource states, allowing the processor to adapt its operational characteristics to current conditions
2Productivity
If instructions are dynamically split into micro-operations based on resource availability, then processor performance is improved, but control complexity increases
Solution Approach 1:
The control circuitry performs preliminary monitoring of resource availability and determines the appropriate micro-operation count before instruction execution begins. This advance preparation allows dynamic optimization without adding significant control complexity during the actual execution phase
Solution Approach 2:
The system implements feedback mechanisms where control circuitry monitors processing resource availability and uses this information to adjust micro-operation execution. The feedback loop enables performance optimization while keeping control complexity manageable through systematic resource monitoring and response
3Ease of operation
If a fixed number of micro-operations are executed for each instruction, then resource allocation is simpler, but resource utilization efficiency decreases due to bottlenecks and stalls
Solution Approach 1:
The patent transitions from static resource allocation to dynamic resource allocation based on real-time availability. Control circuitry adjusts the number of micro-operations executed according to monitored resource states, enabling efficient resource utilization while maintaining manageable allocation through systematic monitoring and adaptive response
Data Source
AI summary
Processing circuitry includes execute circuitry for executing micro-operations in response to instructions fetched from a data store. Control circuitry is provided to determine, based on availability of at least one processing resource, how many micro-operations are to be executed by the execute circuitry in response to a given set of one or more instructions fetched from the data store.