17936740. Frequency/State Based Power Management Thresholds simplified abstract (ATI TECHNOLOGIES ULC)

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Frequency/State Based Power Management Thresholds

Organization Name

ATI TECHNOLOGIES ULC

Inventor(s)

Ashish Jain of Austin TX (US)

Shang Yang of Markham (CA)

Frequency/State Based Power Management Thresholds - A simplified explanation of the abstract

This abstract first appeared for US patent application 17936740 titled 'Frequency/State Based Power Management Thresholds

Simplified Explanation

The patent application describes a system and method for determining power-performance state transition thresholds in a computing system. The system includes a processor with functional blocks that produce data corresponding to activity levels, and a power manager that compares these activity levels to thresholds to determine if a power-performance state transition is needed. The thresholds are determined based on the current power-performance state of the functional block, the type of circuit being monitored, and the type of workload being executed.

  • The system includes a processor with functional blocks that produce data corresponding to activity levels.
  • A power manager compares activity levels to thresholds to determine power-performance state transitions.
  • Thresholds are determined based on the current power-performance state of the functional block, the type of circuit being monitored, and the type of workload being executed.

Potential Applications

This technology could be applied in:

  • Mobile devices to optimize power consumption based on workload.
  • Data centers to improve energy efficiency by adjusting power-performance states dynamically.

Problems Solved

This technology helps address:

  • Inefficient power management in computing systems.
  • Lack of dynamic adjustment of power-performance states based on workload.

Benefits

The benefits of this technology include:

  • Improved energy efficiency in computing systems.
  • Enhanced performance by optimizing power-performance states based on workload.

Potential Commercial Applications

A potential commercial application of this technology could be:

  • Power management software for servers and data centers.

Possible Prior Art

One possible prior art for this technology could be:

  • Research on dynamic power management in processors.

Unanswered Questions

How does this technology impact battery life in mobile devices?

This technology can potentially extend battery life in mobile devices by optimizing power consumption based on workload.

What are the implications of adjusting power-performance states dynamically in data centers?

Dynamically adjusting power-performance states in data centers can lead to significant energy savings and improved overall efficiency.


Original Abstract Submitted

A system and method for determining power-performance state transition thresholds in a computing system. A processor comprises several functional blocks and a power manager. Each of the functional blocks produces data corresponding to an activity level associated with the respective functional block. The power manager determines activity levels of the functional blocks and compares the activity level of a given functional block to a threshold to determine if a power-performance state (P-state) transition is indicated. The threshold is determined in part on a current P-state of the given functional block. When the current P-state of the given functional block is relatively high, the threshold activity level to transition to a higher P-state is higher than it would be if the current P-state were relatively low. The power manager is further configured to determine the thresholds based in part on one or more of a type of circuit being monitored and a type of workload being executed.