Devices, systems, and methods for dynamically changing frequencies of clocks for the data link layer without downtime
By switching FIFO queues from pacing mode to asynchronous mode within the system, the clock frequencies for the data link layer can be dynamically changed without downtime, addressing the issue of latency and maintaining system performance.
WO2025068777A1 Publication Date: 2025-04-03ATI TECHNOLOGIES ULC
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Patent Information
- Application Number
- PCT/IB2024/055909
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Priority Date
- 2023-09-27
- Filing Date
- 2024-06-17
- Publication Date
- 2025-04-03
AI Technical Summary
Technical Problem
Existing systems require downtime to change the frequency of clocks for the data link layer, which can introduce significant latency and negatively impact system performance.
Method used
The system dynamically changes the frequencies of clocks for the data link layer by switching FIFO queues from pacing mode to asynchronous mode without taking down the data link, allowing for continuous operation and avoiding latency.
Benefits of technology
This approach enables the dynamic change of clock frequencies without downtime, preventing queue overflow or underflow and maintaining system performance by keeping the data link active during frequency adjustments.
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Abstract
An exemplary method for dynamically changing frequencies of clocks for the data link layer without downtime involves switching a first queue on a first end of a data link and a second queue on a second end of the data link from a pacing mode to an asynchronous mode. The exemplary method also involves modifying a frequency of a clock associated with the data link. The exemplary method further involves returning the first queue and the second queue from the asynchronous mode to the pacing mode upon modifying the frequency of the clock. Various other devices, systems, and methods are also disclosed.
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